KR102626891B1 - A data processing apparatus, a scanner, and methods for operating the same - Google Patents

Abstract

According to embodiments, a data processing device, a scanner, a method of operating the same, and a computer-readable storage medium storing a program for performing the method are disclosed. The disclosed data processing device includes a display, a communication interface, a memory including one or more instructions, and a processor executing the one or more instructions, wherein the processor scans an object by executing the one or more instructions. Controlling the communication interface to receive scan data of the object obtained by doing so from a scanner, and controlling the display to display an image corresponding to three-dimensional data generated based on the scan data, while displaying the image, Controlling the communication interface to receive a control signal generated according to a user input detected through one or more user interfaces of the scanner from the scanner, and performing a function of adjusting the generated three-dimensional data according to the control signal, The display is controlled to display an image using the adjusted three-dimensional data.

Description

A data processing apparatus, a scanner, and methods for operating the same}

The disclosed embodiments relate to a data processing device, a scanner, and a method of operating the same.

Specifically, the disclosed embodiments relate to a data processing device, a scanner, and a method of operating the same for providing more convenient control when processing image data acquired by a scanner or adjusting settings of the scanner.

Recently, an oral scanner that is inserted into the patient's mouth and acquires images within the oral cavity has been used as a method to obtain information about the patient's oral cavity. By scanning the patient's oral cavity using an oral scanner, upper jaw scan data, lower jaw scan data, and occlusion scan data of the upper and lower jaw can be obtained. A 3D virtual model can be created using the acquired scan data, and treatment or correction of teeth can be performed using the generated 3D virtual model.

A user using an oral scanner can check the data obtained using the oral scanner on the display of the data processing device. Additionally, users can check the data displayed on the display and, if the data contains unnecessary or incorrect data, delete the data and scan again. At this time, when the user edits data, such as deleting data, the data can be deleted using a separate external input device such as a mouse or keyboard that can input data into the data processing device. In this process, the user must alternately use the intraoral scanner and the external input device, which may cause hygienic problems and increase movement between the scanning operation and the data adjustment operation, which may reduce work efficiency. An example of an application related to creating a 3D virtual model using an intraoral scanner is Korean Patent Publication No. 10-2017-0113412 (publication date: October 12, 2017).

The disclosed embodiment aims to provide a scanner, a data processing device, and a method that provide a function to adjust data acquired through a scanner using a scanner without using a separate external input device.

The disclosed embodiment aims to provide a scanner and a method of operating the same that provide a function to change scanner settings without using a separate external input device.

A data processing device according to an embodiment includes a display, a communication interface, a memory including one or more instructions, and a processor that executes the one or more instructions, wherein the processor scans an object by executing the one or more instructions. Controlling the communication interface to receive acquired scan data of the object from a scanner, controlling the display to display an image corresponding to three-dimensional data generated based on the scan data, and displaying the image, Controlling the communication interface to receive a control signal generated according to a user input detected through one or more user interfaces of the scanner from the scanner, and performing a function of adjusting the generated three-dimensional data according to the control signal, The display is controlled to display an image using the adjusted three-dimensional data.

According to one embodiment, by executing the one or more instructions, the processor executes the most recently input predetermined number of frames among the frames constituting the three-dimensional data as the control signal corresponds to an undo command. It can be hidden.

According to one embodiment, the processor may restore a predetermined number of frames that were most recently hidden by executing the one or more instructions, as the control signal corresponds to a redo command.

According to one embodiment, the processor executes the one or more instructions, so that the control signal corresponds to a locking command, so that the hiding process or the recovery process is no longer allowed based on the three-dimensional data of the current state. This allows three-dimensional data to be definitively processed.

The three-dimensional data may include at least one of voxel data generated based on the scan data or mesh data generated based on the scan data.

According to one embodiment, the processor executes the one or more instructions to display the first image corresponding to the first three-dimensional data generated based on the scan data corresponding to the first area of the object on the sub-screen. Controlling the display to display on the main screen a second image corresponding to second three-dimensional data generated based on scan data corresponding to a second area of the object spaced apart from the first area, Perform a function of adjusting three-dimensional data corresponding to the second image displayed on the main screen according to a control signal received from the scanner, and control the display to display a second image using the adjusted three-dimensional data. there is.

According to one embodiment, the processor may set a locking function to prevent a data adjustment function from being performed on three-dimensional data corresponding to the first image displayed on the sub-screen by executing the one or more instructions.

According to one embodiment, the processor executes the one or more instructions, and as the control signal corresponds to an undo command, the most recently input predetermined number of frames constituting the second three-dimensional data When all the second three-dimensional data is hidden by the operation of hiding the frames, the display can be controlled to display a first image corresponding to the first three-dimensional data corresponding to the sub screen on the main screen. .

A scanner according to an embodiment includes an optical unit that performs a scanning operation, one or more sensors, a communication interface, and a processor, wherein the processor receives scan data of the object obtained by scanning the object using the optical unit. Control the communication interface to transmit to a data processing device, obtain user input sensed through the one or more sensors, control the optical unit to stop the scanning operation according to the user input, and respond to the user input. The communication interface is controlled to transmit a control signal to the data processing device to perform a function or to perform a function corresponding to the user input.

According to one embodiment, each sensor of the one or more sensors may correspond to one or more functions among a plurality of functions.

According to one embodiment, the plurality of functions may include at least one of a data adjustment function, a locking function, and a function for adjusting settings of the optical unit.

According to one embodiment, a method of operating a data processing device includes receiving scan data of an object obtained by scanning an object from a scanner, displaying an image corresponding to three-dimensional data generated based on the scan data, While displaying the image, receiving a control signal generated from the scanner according to a user input detected through one or more user interfaces of the scanner, and performing a function of adjusting the generated three-dimensional data according to the control signal. and an operation of displaying an image using the adjusted three-dimensional data.

According to one embodiment, a method of operating a scanner including an optical unit and one or more sensors includes transmitting scan data of the object obtained by scanning an object using the optical unit to a data processing device, the one or more sensors Obtaining a user input detected through, controlling the optical unit to stop the scanning operation according to the user input, and performing a function corresponding to the user input or performing a function corresponding to the user input It includes an operation of transmitting a control signal to the data processing device.

According to one embodiment, in a non-transitory computer-readable storage medium on which a program including at least one instruction is recorded to perform a data processing method, the method of operating the data processing device includes scanning an object. An operation of receiving acquired scan data of the object from a scanner, an operation of displaying an image corresponding to three-dimensional data generated based on the scan data, and detection through one or more user interfaces of the scanner while displaying the image. An operation of receiving a control signal generated according to a user input from the scanner, an operation of performing a function of adjusting the generated three-dimensional data according to the control signal, and an operation of displaying an image using the adjusted three-dimensional data. Includes.

According to the disclosed embodiment, when it is desired to adjust scan data while scanning an object using a scanner, the scan data can be adjusted by using the scanner that scans the object without using a separate user input device.

According to the disclosed embodiment, when it is desired to change the scanner settings while scanning an object using a scanner, the scanner settings can be changed by using the scanner that scans the object without using a separate user input device.

The present invention may be readily understood by combination of the following detailed description with the accompanying drawings, where reference numerals refer to structural elements.
1 is a diagram for explaining a digital oral model processing system according to the disclosed embodiment.
2 is an example of a detailed block diagram of a system including a scanner and a data processing device according to one embodiment.
Figure 3 shows an example of user input-function mapping information 300 according to an embodiment.
Figure 4 is an example of a flowchart showing the operation process of a scanner and a data processing device according to an embodiment.
FIG. 5 is a reference diagram for explaining a process of displaying a three-dimensional virtual model created using two-dimensional data acquired through a scanner in a data processing device, according to an embodiment.
Figure 6 is a reference diagram for explaining voxel data and mesh data processed based on scan data according to an embodiment.
Figure 7 is a detailed flowchart according to an example of an operation method performed in a data processing device according to an embodiment.
FIG. 8 is a reference diagram for explaining how a data processing device operates according to a revert command received from a scanner, according to an embodiment.
FIG. 9 is a reference diagram for explaining how a data processing device operates according to a restore command received from a scanner, according to an embodiment.
FIG. 10 is a reference diagram for explaining how a data processing device operates according to a locking command received from a scanner, according to an embodiment.
FIG. 11 is a reference diagram for explaining an operation of a data processing device to display images corresponding to a plurality of areas of an object, according to an embodiment.
FIG. 12 is a reference diagram for explaining an operation of displaying three-dimensional data corresponding to a first area of an object on a display of a data processing device, according to an embodiment.
FIG. 13 is a reference diagram for explaining an operation in which the data processing device 100 automatically moves the image of the sub-screen 1220 to the main screen 1210 when all images displayed on the main screen 1210 are hidden according to an embodiment.

This specification clarifies the scope of rights of the present invention, explains the principles of the present invention, and discloses embodiments so that those skilled in the art can practice the present invention. The disclosed embodiments may be implemented in various forms.

Like reference numerals refer to like elements throughout the specification. This specification does not describe all elements of the embodiments, and general content or overlapping content between the embodiments in the technical field to which the present invention pertains is omitted. The term 'part' (portion) used in the specification may be implemented as software or hardware, and depending on the embodiment, a plurality of 'portions' may be implemented as a single element (unit, element) or as a single 'portion'. It is also possible for 'boo' to contain plural elements. Hereinafter, the operating principle and embodiments of the present invention will be described with reference to the attached drawings.

In this specification, an image may include an image representing at least one tooth or an oral cavity including at least one tooth (hereinafter referred to as an 'oral image').

Additionally, in this specification, an image may be a two-dimensional image of an object, a three-dimensional model or a three-dimensional image representing the object in three dimensions. Additionally, in this specification, an image may refer to data required to represent an object in two or three dimensions, for example, raw data obtained from at least one image sensor. Specifically, raw data is data acquired to generate an oral image, and is obtained from at least one image sensor included in the intraoral scanner when the inside of the oral cavity of the subject, a patient, is scanned using an intraoral scanner. It may be acquired data (for example, two-dimensional data). Raw data acquired from an intraoral scanner may also be referred to as scan data or two-dimensional image data.

In this specification, 'object' refers to teeth, gingiva, at least some areas of the oral cavity, and/or artificial structures that can be inserted into the oral cavity (e.g., orthodontic devices, implants, artificial teeth, orthodontic aids inserted into the oral cavity, etc. ), etc. may be included. Here, the correction device may include at least one of a bracket, an attachment, a correction screw, a lingual correction device, and a removable correction retainer.

Hereinafter, embodiments will be described in detail with reference to the drawings.

1 is a diagram for explaining a digital oral model processing system according to the disclosed embodiment.

Referring to FIG. 1, the digital oral model processing system may include a scanner 200 and a data processing device 100.

The scanner 200 is a device that scans an object. The scanner 200 may include, for example, an oral scanner that is inserted into the patient's mouth to scan the patient's teeth, or a model scanner that installs a tooth model and scans it while moving around the installed tooth model.

The scanner 200 can use an optical triangulation technique or a confocal method to measure three-dimensional information of an object. Optical trigonometry is a technology that obtains three-dimensional information about an object through trigonometric calculations using triangles formed by a light source, an object on which light irradiated from the light source is irradiated, and an image sensor that receives light reflected from the object. The focusing method is a method of acquiring three-dimensional information about an object based on the location of a point found through the maximum intensity of reflected light according to the refractive index of the lens that passes the light irradiated to the object.

For example, the oral scanner 301 may be a device for acquiring an image of the oral cavity including at least one tooth by being inserted into the oral cavity and scanning teeth in a non-contact manner. Additionally, the oral scanner 301 may have a form that allows insertion and withdrawal into the oral cavity, and scans the inside of the patient's oral cavity using at least one image sensor (eg, an optical camera, etc.). The oral scanner 301 includes at least one of the teeth, gingiva, and artificial structures that can be inserted into the oral cavity (e.g., orthodontic devices including brackets and wires, implants, artificial teeth, orthodontic auxiliary tools inserted into the oral cavity, etc.). In order to image a single surface, surface information about the object can be acquired as raw data.

Image data acquired from the scanner 200 may be transmitted to the data processing device 100 connected through a wired or wireless communication network.

According to one embodiment, the scanner may transmit scan data of an object obtained by scanning the object using an optical unit to a data processing device.

According to one embodiment, the scanner may obtain a user input detected through one or more sensors provided in the scanner and control the optical unit to stop the scanning operation according to the user input.

According to one embodiment, the scanner may obtain user input detected through one or more sensors provided in the scanner, and perform a function corresponding to the user input according to the user input. The function corresponding to the user input may include the function of changing the settings of the optical unit provided in the scanner.

According to one embodiment, the scanner may obtain a user input detected through one or more sensors provided in the scanner, and transmit a control signal for controlling the user to perform a function corresponding to the user input according to the user input to a data processing device. Functions responsive to user input sent to the data processing device may include adjustments to scan data. The scan data adjustment function may include a scan data revert processing function, a rejuvenation processing function, a locking function, etc.

The data processing device 100 is connected to the scanner 200 through a wired or wireless communication network, receives a two-dimensional image obtained by scanning the oral cavity from the scanner 200, and generates, processes, displays, and/or creates an oral image based on the received two-dimensional image. Or it can be any electronic device capable of transmitting.

The data processing device 100 generates at least one of information generated by processing the two-dimensional image data and an oral image generated by processing the two-dimensional image data, based on the two-dimensional image data received from the scanner 200, and includes the generated information and the oral image. can be displayed through the display.

The data processing device 100 may be a computing device such as a smart phone, laptop computer, desktop computer, PDA, or tablet PC, but is not limited thereto. Additionally, the data processing device 100 may exist in the form of a server (or server device) for processing oral images.

Additionally, the scanner 200 may transmit scan data (or may be referred to as raw data) obtained through scanning to the data processing device 100 as is. In this case, the data processing device 100 may generate three-dimensional data representing the oral cavity in three dimensions based on the received scan data. Since '3D data' can be generated by three-dimensional modeling of the internal structure of the oral cavity based on the received scan data, it is called '3D oral model', 'digital oral model', or '3D oral cavity'. It may also be called ‘image’.

Additionally, the data processing device 100 may be able to analyze, process, display, and/or transmit three-dimensional data generated based on scan data to an external device.

As another example, the scanner 200 may acquire raw data through scanning, process the acquired raw data to generate three-dimensional data corresponding to the oral cavity as an object, and transmit it to the data processing device 100. In this case, the data processing device 100 may be able to analyze, process, display, and/or transmit the received three-dimensional data.

In the disclosed embodiment, the data processing device 100 is an electronic device capable of generating and displaying three-dimensional data representing the oral cavity including one or more teeth in three dimensions, which will be described in detail below.

According to one embodiment, when the data processing device 100 receives scan data obtained by scanning an object from the scanner 200, it may process the received scan data to generate three-dimensional data.

According to one embodiment, the data processing device 100 may receive scan data of an object obtained by scanning the object from a scanner.

According to one embodiment, the data processing device 100 may display an image corresponding to three-dimensional data generated based on scan data received from a scanner in real time.

According to one embodiment, the data processing device 100 receives a control signal generated according to a user input detected through one or more sensors of the scanner while displaying an image, and adjusts three-dimensional data generated according to the control signal. It can perform functions and display images using adjusted three-dimensional data.

According to one embodiment, the data processing device 100 may hide a predetermined number of the most recently input frames among the frames constituting three-dimensional data as the control signal corresponds to an undo command.

According to one embodiment, the data processing device 100 may restore a predetermined number of frames that were most recently hidden as the control signal corresponds to a redo command.

According to one embodiment, the data processing device 100 may confirm and process the three-dimensional data based on the three-dimensional data in the current state so that hiding processing or recovery processing is no longer allowed as the control signal corresponds to a locking command. .

According to one embodiment, the data processing device 100 may divide the display screen into a plurality of screens and display images corresponding to different areas of the object on each of the plurality of screens.

According to one embodiment, the data processing device 100 controls the display to display a first image corresponding to first three-dimensional data generated based on scan data corresponding to a first area of the object on a sub screen, and displays the first image corresponding to the first area and the first area of the object. Displaying a second image corresponding to second three-dimensional data generated based on scan data corresponding to the second area of the spaced object on the main screen, and displaying the second image on the main screen according to a control signal received from the scanner A function of adjusting the second three-dimensional data corresponding to can be performed, and a second image can be displayed using the adjusted three-dimensional data.

According to one embodiment, the data processing device 100 may set a locking function to prevent a data adjustment function from being performed on three-dimensional data corresponding to the first image displayed on the sub-screen.

According to one embodiment, the data processing device 100 hides a predetermined number of the most recently input frames among the frames constituting the second three-dimensional data as the control signal corresponds to the undo command. When all the second three-dimensional data is hidden, the first image corresponding to the first three-dimensional data corresponding to the sub screen can be displayed on the main screen.

2 is an example of a detailed block diagram of a system including a scanner and a data processing device according to one embodiment.

Referring to FIG. 2, the system may include a scanner 200, a data processing device 100, and a communication network 50 that enables the scanner 200 and the data processing device 100 to communicate.

The scanner 200 transmits two-dimensional scan data obtained by scanning the patient's oral cavity or tooth cast model to the data processing device 100 through the communication network 50, and the data processing device 100 processes the two-dimensional scan data received from the scanner 200 to produce three-dimensional data. can be generated, and an image corresponding to the generated three-dimensional data can be displayed on a display or transmitted to an external device. Three-dimensional data generated based on scan data may also be referred to as a three-dimensional virtual model or three-dimensional oral model.

First, the scanner 200 will be described.

Referring to FIG. 2, the scanner 200 may include an optical unit 210, a sensor 220, a communication interface 230, a memory 240, and a processor 250.

The optical unit 210 may include a projector that projects light from a light source and one or more cameras. For example, the optical unit 210 uses an L camera corresponding to the left field of view and an R camera corresponding to the right field of view to restore a 3D image according to the optical triangulation method. It can be included. Each of the L camera and R camera can acquire L image data corresponding to the left field of view and R image data corresponding to the right field of view. Raw data including L image data and R image data obtained from the optical unit 210 may be transmitted to the processor 250 for data processing.

The user interface 220 may have various modalities for receiving user input that controls settings of the scanner 200 or adjustment of scan data acquired by the scanner 200.

The user interface 220 may include a sensor unit 221 including one or more sensors capable of detecting movement of the scanner 200 corresponding to user input, a user input unit 222, or a microphone that receives the user's voice.

According to one embodiment, the sensor unit 221 may include a gyro sensor that detects information about the movement of the scanner 200. The gyro sensor can sense information about the operation of the scanner 200 based on the x, y, and z axes. For example, when a user shakes the scanner 200 while performing a scanning motion, the gyro sensor can detect this and detect it as an input signal. Alternatively, this can be detected as an input signal depending on the angle of the scanner that has stopped scanning. The sensor unit 221 can detect the number of times the scanner 200 is shaken, a specific angle at which the scanner 200 is positioned, and a specific pattern of motion performed while holding the scanner 200 as different input signals.

According to one embodiment, the sensor unit 221 may include an acceleration sensor capable of detecting acceleration in a two-axis (x, y) direction or a three-axis (x, y, z) direction. For example, when a user taps the scanner 200, the acceleration sensor can detect this as an input signal. For example, depending on the number of times the user taps the scanner 200, the acceleration sensor may detect this as different input signals.

According to one embodiment, the sensor unit 221 may include a touch pad or a touch sensor. For example, when a user touches the touch sensor provided in the scanner 200, the touch sensor may detect this as an input signal. The touch sensor can detect different input signals depending on the drag direction, drag time, and time or number of touches.

In addition, the sensor unit 221 can detect rotation, angular displacement, tilt, position, orientation, etc.

According to one embodiment, the user input unit 222 may include one or more of a keypad, buttons, one or more direction buttons or one or more direction keys, a scroll key, a jog dial, a rotation wheel, or a rotation ring.

If the user input unit 222 is provided with a hard key button, the user can control the settings of the scanner 200 or input a user command to control the adjustment of scan data acquired by the scanner 200 through a push operation of the hard key button. there is. The user input unit 222 can detect the type of button, the number of times the button is pressed, and the time the button is pressed, as different input signals.

When the user input unit 222 is provided with a rotating wheel, the user can perceive different input signals depending on the number of times the rotating wheel is rotated, the rotation direction of the rotating wheel, and the rotation angle of the rotating wheel.

When the user input unit 222 includes one or more direction buttons or one or more direction keys, the one or more direction buttons or one or more direction keys may be detected as different input signals.

In addition, the user input unit 222 may be equipped with various types of input means that the user can operate, such as scroll keys and jog keys.

The microphone 223 may receive a user's voice input. The user's voice received by the microphone 223 may be recognized by a voice recognition device, etc. and used as user input.

The communication interface 230 can communicate with the data processing device 100 through a wired or wireless communication network. Specifically, the communication interface 230 may communicate with the data processing device 100 under the control of the processor 100.

Specifically, the communication interface is at least one short-range communication module that performs communication according to communication standards such as Bluetooth, Wi-Fi, BLE (Bluetooth Low Energy), NFC/RFID, Wifi Direct, UWB, or ZIGBEE, and a long-distance communication module. According to communication standards, it may include a long-distance communication module that performs communication with a server to support long-distance communication, and at least one port for connecting to an external electronic device with a wired cable for wired communication.

The image processor 240 may perform operations for generating and/or processing images. Specifically, the image processing unit 240 may image-process two-dimensional image data obtained from the optical unit 210. The image processing unit 240 may only perform processing operations for data transmission on the two-dimensional image data acquired from the optical unit 210 and output the data to the communication interface 230 for transmission to the data processing device.

Memory 250 can store at least one instruction. Additionally, the memory 260 may store at least one instruction executed by the processor. Additionally, the memory may store at least one program executed by the processor 260. Additionally, the memory 250 may temporarily store two-dimensional image data received from the optical unit 210 in order to transmit it to the data processing device 100.

According to one embodiment, the memory 250 may store user input-function mapping information 300 that defines a function corresponding to a user input received through the user interface 220. The user input-function mapping information 300 includes information defining one or more user inputs received through various means included in the user interface 220, that is, the sensor unit 221, the button 222, and the microphone 223, and the functions corresponding to the user input. It can be expressed. The function corresponding to the user input may broadly include at least one of a function to control settings of the optical unit 210 of the scanner 200 or a function to control scan data acquired by the scanner 200 to be adjusted in the data processing device 100.

User input-function mapping information 300 will be described with reference to FIG. 3 .

Figure 3 shows an example of user input-function mapping information 300 according to an embodiment.

Referring to FIG. 3, user input-function mapping information 300 may include information mapping user input input through each means of the user interface and the corresponding function. The user interface may include one or more means of the user interface 220 included in the scanner 200. User input may represent user input entered through the corresponding user interface. A function may define a function performed in response to user input. Functions corresponding to user input may largely include a function to control settings of the optical unit 210 of the scanner 200 or a function to control scan data acquired by the scanner 200 to be adjusted in the data processing device 100. Those skilled in the art will understand that the sensors or buttons included in the user interface, the corresponding user input, and the corresponding functions can be appropriately determined considering the situation of the system.

Referring to FIG. 3, the user input-function mapping information 300 includes the first user input through the first sensor to the first function, the second user input through the first sensor to the second function, and the first user input through the first sensor to the second function. 3rd user input through the 3rd function, 4th user input through the 2nd sensor to the 4th function, 5th user input through the 2nd sensor to the 5th function, 6th user input through the button to the 6th function. This may be information defined to map the 7th user input through the button to the 7th function.

User input - Referring to table 310 showing a specific example of function mapping information 300, a one-time shaking action (user input) through the gyro sensor corresponds to the undo function, and a two-time shaking action through the gyro sensor (user input) input) corresponds to the redo function, the action of placing the scanner at a certain angle through the gyro sensor corresponds to the locking function, and the action of tapping once through the acceleration sensor (user input) changes the scan resolution. Corresponds to the function, the action of tapping twice through the acceleration sensor (user input) corresponds to the scan depth change function, the action of pushing once through the button (user input) corresponds to the scan light source color change function, and the button The action of pushing twice (user input) can correspond to the filtering setting change function.

The example shown in FIG. 3 is just one example, and it goes without saying that various functions can be mapped in response to user input through various sensors.

According to one embodiment, such user input-function mapping information 300 may be stored in memory when the scanner 200 is manufactured.

According to one embodiment, such user input-function mapping information 300 may be downloaded or updated through a server after manufacturing or selling the scanner 200.

According to one embodiment, this user input-function mapping information 300 may be customized according to the user's settings. For example, the user input-function mapping information 300 can be customized by the user through the scanner 200, or customized by the data processing device 100 and then transmitted to the scanner 200.

The processor 260 may control at least one component included within the scanner to perform the intended operation. Accordingly, even if the case in which the processor performs certain operations is used as an example, it may mean that the processor controls at least one component included in the data processing device so that certain operations are performed.

According to one embodiment, the processor 260 may control the optical unit 210 to stop the scanning operation when a user input is received and detected from the user interface 220 while scanning an object. For example, if the user holds the scanner 200 and scans the patient's oral cavity and wishes to change the settings of the optical unit or adjust the scan data, the user may operate the scanner 200 so that the user interface 220 detects the user input. In this case, the processor 260 may control the scanning operation of the optical unit 210 to stop in order to process the user input received through the user interface 220. The processor 260 may stop the scanning operation of the optical unit 210, perform a function corresponding to a user input, and then resume the scanning operation of the optical unit 210 according to a user input that resumes the scanning operation. User input for resuming the scan operation can be received in various forms. For example, the scanner 200 may be provided with a button to toggle starting and stopping a scanning operation. The processor 260 may resume the scanning operation of the optical unit 210 in response to receiving a user input by pressing the button provided as described above.

According to one embodiment, the processor 260 may identify a function corresponding to the user input received from the user interface 220 by referring to the user input-function mapping information 251 stored in the memory 250.

According to one embodiment, if the processor 260 determines that the identified function is a function that controls the settings of the optical unit 210, the processor 260 may control the settings of the optical unit 210 according to the user input.

According to one embodiment, the function of controlling the settings of the optical unit 210 may include one or more of changing scan resolution, changing scan depth, changing scan light source color, and changing filtering settings.

According to one embodiment, the function of controlling the settings of the optical unit 210 may include changing the scan resolution. Scan resolutions may include standard definition (SD) and high definition (HD), and changing scan resolutions may include changing these standard resolutions to high resolutions or changing high definitions to standard definitions.

According to one embodiment, the function of controlling the settings of the optical unit 210 may include changing the scan depth. The scan depth may represent a value representing the distance or depth from the tip portion where the optical unit of the scanner is located to the area to be scanned during the scanning operation of the scanner 200. The scan depth of the scanner can be adjusted, for example, in the range of 12 mm to 21 mm, with an exemplary default scan depth of 8.5 mm. Such scan depth can generally be set using an input device for the data processing device 100 by providing a graphical user interface that can change the scan depth in the data processing device 100. However, according to the embodiment disclosed in this disclosure, the scan depth can be adjusted using the user interface provided in the scanner 200. For example, when repeating one input signal using the user interface 220 of the scanner 200, the order may change from 12mm -> 15mm -> 18mm -> 21mm. For example, if the user interface 220 includes a gyro sensor and the motion of shaking the scanner 200 once corresponds to a single user input signal, if you shake it once, it changes to 12mm, if you shake it twice, it changes to 15mm, and if you shake it three times, it changes to 18mm. , if you shake it 4 times, it changes to 21mm, and from the 5th time onwards, it changes to 12mm, etc. Alternatively, the user interface 220 may include two direction keys, and the first direction key may correspond to a change from 12 mm to 15 mm, and the second direction key may correspond to a change from 15 mm to 12 mm.

According to one embodiment, the function of controlling the settings of the optical unit 210 may include changing the scan light source color. Changing the scan light source color may include changing the color of the light source of the projector from blue light to white light or from white light to blue light.

According to one embodiment, the function of controlling the settings of the optical unit 210 may include changing filtering settings. The filtering setting may include transmitting all tooth and gingival data without filtering the entire oral cavity, which is the object, or filtering the gingival portion among the acquired scan data and transmitting only the tooth portion.

According to one embodiment, if the processor 260 determines that the identified function is a function of processing scan data in the data processing device, the communication interface 230 transmits a control signal instructing the data processing device to perform the function of processing the scan data to the data processing device 100. can be controlled. Functions for processing scan data may include, for example, functions for adjusting scan data.

In order to implement the embodiments disclosed in this disclosure, the scanner 200 may include only some of the components shown in FIG. 2 or may include more components in addition to the components shown in FIG. 2.

Referring to FIG. 2 , the data processing device 100 may include a communication interface 110, a user interface 120, a display 130, an image processor 140, a memory 150, and a processor 160.

The communication interface 110 can communicate with at least one external electronic device through a wired or wireless communication network. Specifically, the communication interface 110 may communicate with the scanner 200 under the control of the processor 160. The communication interface 110 can communicate with an external electronic device or server connected through a wired or wireless communication network under the control of the processor.

Specifically, the communication interface includes at least one short-range communication module that performs communication according to communication standards such as Bluetooth, Wi-Fi, BLE (Bluetooth Low Energy), NFC/RFID, Wifi Direct, UWB, or ZIGBEE. can do.

Additionally, the communication interface 110 may further include a long-distance communication module that communicates with a server to support long-distance communication according to long-distance communication standards. Specifically, the communication interface 110 may include a long-distance communication module that performs communication through a network for Internet communication. Additionally, the communication interface 110 may include a long-distance communication module that performs communication through a communication network compliant with communication standards such as 3G, 4G, and/or 5G.

Additionally, the communication interface 110 may include at least one port for connecting to an external electronic device (eg, an oral scanner, etc.) via a wired cable in order to communicate with the external electronic device via a wired cable. Accordingly, the communication interface 110 can communicate with a wired external electronic device through at least one port.

The user interface 120 may receive user input for controlling the data processing device 100. The user interface 120 is a user input including a touch panel that detects the user's touch, a button that receives the user's push operation, and a mouse or keyboard that specifies or selects a point on the user interface screen. It may include, but is not limited to, devices.

Additionally, the user interface 120 may include a voice recognition device for voice recognition. For example, the voice recognition device may be a microphone, and the voice recognition device may receive a user's voice command or voice request. Accordingly, the processor can control the operation corresponding to the voice command or voice request to be performed.

Display 130 displays a screen. Specifically, the display 130 can display a predetermined screen under the control of the processor 160. Specifically, the display 130 may display a user interface screen including an oral image generated based on data obtained by scanning the patient's oral cavity with the scanner 200. Alternatively, the display 130 may display a user interface screen including information related to the patient's dental treatment.

The image processor 140 may perform operations for generating and/or processing images. Specifically, the image processor 140 may receive raw data obtained from the scanner 200 and generate an oral image based on the received data. Specifically, the image processing unit 140 may obtain a three-dimensional oral model by processing scan data received from the scanner 200 to generate three-dimensional data in the form of a mesh. According to one example, the image processing unit 140 processes scan data received from the scanner 200 in real time to generate voxel data by processing the scan data to display to the user in three-dimensional form, and displays an image corresponding to the generated voxel data on the display 130. It can be displayed. Of course, if the processing performance of the data processing device 100 is satisfactory, the data processing device 100 may immediately process the scan data into mesh data and display an image corresponding to the mesh data on the display 130 in real time.

Although the image processing unit 140 is shown as a separate component in FIG. 2, in another example, a program corresponding to the operation performed by the image processing unit 140 is stored in the memory 150, and the processor 160 executes the program stored in the memory 150 to perform the image processing operation. You can also perform .

Memory 150 can store at least one instruction. Additionally, the memory 150 may store at least one instruction executed by the processor. Additionally, the memory may store at least one program executed by the processor 160. Additionally, the memory 150 may store data received from the scanner 200 (eg, raw data obtained through an oral scan, etc.). Alternatively, the memory may store an oral image representing the oral cavity in three dimensions.

According to one embodiment, the memory 150 may store all or part of the user input-function mapping information 300. Specifically, the memory 150 may store all of the user input-function mapping information 300 or may store only information related to the control function performed by the data processing device 100 among the user input-function mapping information 300.

The processor 160 executes at least one instruction stored in the memory 150 and controls the intended operation to be performed. Here, at least one instruction may be stored in the internal memory included in the processor 160 or in the memory 150 included in the data processing device separately from the processor.

Specifically, the processor 160 may perform at least one instruction and control at least one component included in the data processing device so that the intended operation is performed. Accordingly, even if the case in which the processor performs certain operations is used as an example, it may mean that the processor controls at least one component included in the data processing device so that certain operations are performed.

According to one embodiment, the processor 160 controls the communication interface to receive scan data of the object obtained by scanning the object by executing one or more instructions stored in the memory 150 from the scanner, and generates scan data based on the scan data. Control the display to display an image corresponding to three-dimensional data, and, while displaying the image, the communication interface to receive a control signal from the scanner generated in response to user input sensed through one or more user interfaces of the scanner. , perform a function of adjusting the generated three-dimensional data according to the control signal, and control the display to display an image using the adjusted three-dimensional data.

According to one embodiment, the processor 160 executes one or more instructions stored in the memory 150, so that as the control signal corresponds to an undo command, the most recently input predetermined number of frames constituting the three-dimensional data Frames can be hidden.

According to one embodiment, the processor 160 executes one or more instructions stored in the memory 150 to restore a predetermined number of frames that were most recently hidden as the control signal corresponds to a redo command. .

According to one embodiment, the processor 160 executes one or more instructions stored in the memory 150, thereby creating a three-dimensional state of the current state such that the hiding process or the recovery process is no longer allowed as the control signal corresponds to a locking command. Three-dimensional data can be confirmed and processed based on the data.

According to one embodiment, the processor 160 executes one or more instructions stored in the memory 150 to display a first image corresponding to first three-dimensional data generated based on scan data corresponding to the first area of the object on the sub-screen. Control the display to display a second image corresponding to second three-dimensional data generated based on scan data corresponding to a second area of the object spaced apart from the first area on the main screen. And, performs a function of adjusting three-dimensional data corresponding to the second image displayed on the main screen according to a control signal received from the scanner, and configures the display to display a second image using the adjusted three-dimensional data. You can control it.

According to one embodiment, the processor 160 may set a locking function that prevents a data adjustment function from being performed on three-dimensional data corresponding to the first image displayed on the sub-screen by executing one or more instructions stored in the memory 150.

According to one embodiment, the processor 160 executes one or more instructions stored in the memory 150, so that as the control signal corresponds to an undo command, the most recently input preset of the frames constituting the second three-dimensional data is executed. When all of the second three-dimensional data is hidden by hiding a designated number of frames, the display is controlled to display a first image corresponding to the first three-dimensional data corresponding to the sub screen on the main screen. can do.

According to one example, the processor 160 internally includes at least one internal processor and a memory element (e.g., RAM, ROM, etc.) for storing at least one of programs, instructions, signals, and data to be processed or used by the internal processor. It can be implemented in a form that includes

Additionally, the processor 160 may include a graphics processor (Graphics Processing Unit) for graphics processing corresponding to video. Additionally, the processor may be implemented as a System On Chip (SoC) that integrates a core and GPU. Additionally, the processor may include multiple cores or more than a single core. For example, the processor may include dual core, triple core, quad core, hexa core, octa core, deca core, dodeca core, hexa core, etc.

In the disclosed embodiment, the processor 160 may generate an oral image based on two-dimensional image data received from the oral cavity scanner 500.

Specifically, under the control of the processor 160, the communication interface 110 may receive data obtained from the intraoral scanner 500, for example, raw data obtained through an intraoral scan. Additionally, the processor 160 may generate a 3D oral image representing the oral cavity in 3D based on raw data received from the communication interface. For example, an intraoral scanner may include an L camera corresponding to the left field of view and an R camera corresponding to the right field of view to restore a 3D image according to the optical triangulation method. You can. And, the oral scanner can acquire L image data corresponding to the left field of view and R image data corresponding to the right field of view from each of the L camera and the R camera. Continuing, the intraoral scanner (not shown) may transmit raw data including L image data and R image data to the communication interface of the data processing device 100.

Then, the communication interface 110 transfers the received raw data to the processor, and the processor can generate an oral image representing the oral cavity in three dimensions based on the received raw data.

Additionally, the processor 160 may control the communication interface to directly receive an oral image representing the oral cavity in three dimensions from an external server, medical device, etc. In this case, the processor may acquire a 3D oral image without generating a 3D oral image based on raw data.

According to the disclosed embodiment, the processor 160 performing operations such as 'extraction', 'acquisition', and 'generation' means not only the case of directly performing the above-described operations by executing at least one instruction in the processor 160, but also the case of performing the above-described operations directly. It may include controlling other components so that one operation is performed.

In order to implement the embodiments disclosed in this disclosure, the data processing device 100 may include only some of the components shown in FIG. 2 or may include more components in addition to the components shown in FIG. 2.

Additionally, the data processing device 100 can store and execute dedicated software linked to the scanner. Here, dedicated software may be referred to as a dedicated program, dedicated tool, or dedicated application. When the data processing device 100 operates in conjunction with the scanner 200, dedicated software stored in the data processing device 100 is connected to the scanner 200 and can receive data obtained through oral scanning in real time. For example, Medit's i500 intraoral scanner product has dedicated software to process data obtained through intraoral scanning. Specifically, Medit produces and distributes 'Medit Link', software for processing, managing, using, and/or transmitting data obtained from intraoral scanners (e.g., i500). Here, 'dedicated software' refers to a program, tool, or application that can operate in conjunction with an intraoral scanner, so it may be commonly used by various intraoral scanners developed and sold by various manufacturers. Additionally, the dedicated software described above can be produced and distributed separately from the oral scanner that performs the intraoral scan. The data processing device 100 can store and execute dedicated software corresponding to the i500 product. Transmission software may perform at least one operation to acquire, process, store, and/or transmit an oral image. Here, dedicated software may be stored in the processor. Additionally, dedicated software can provide a user interface for use of data acquired from an intraoral scanner. Here, the user interface screen provided by the dedicated software may include an oral image created according to the disclosed embodiment.

Figure 4 is an example of a flowchart showing the operation process of a scanner and a data processing device according to an embodiment.

Referring to FIG. 4 , in operation 410, the scanner 200 may scan an object and transmit scan data obtained by scanning to the data processing device 100. The object may be, but is not limited to, a model of the patient's mouth or teeth. The object may be any body part or object that is subject to scanning. For example, a doctor can scan a patient's oral cavity by holding the scanner 200 and moving the scanner 200 along the inside of the patient's oral cavity. Data scanned in this way can be transmitted to the data processing device 100 in real time.

In operation 420, the data processing device 100 may receive scan data from the scanner 200 in real time and display an image corresponding to three-dimensional data based on the received scan data. Specifically, the data processing device 100 may generate three-dimensional data corresponding to the patient's oral model based on scan data received from the scanner 200 and display an image corresponding to the generated three-dimensional data on the display. Three-dimensional data may include voxel data or mesh data.

FIG. 5 is a reference diagram for explaining a process of displaying a three-dimensional virtual model created using two-dimensional data acquired through a scanner in a data processing device, according to an embodiment.

Referring to FIG. 5, the scanner 200 projects light onto the patient's oral cavity 510 through a projector and acquires two-dimensional image data of the oral cavity through one or more cameras. At this time, the scanner 200 can project light on a scan ROI (Region of Interest) 520 and acquire two-dimensional image data corresponding to this region 520. Data obtained by scanning while the scanner 200 moves along the teeth of the oral cavity 510 can be sent to the data processing device 100 in real time.

The data processing device 100 may receive two-dimensional image data corresponding to the scan area of interest 520 from the scanner 200 in real time and generate three-dimensional data by matching one or more received two-dimensional image data. Referring to FIG. 5, the data processing device 100 can display data through two windows, that is, a main window 530 and a sub window 540, on the display screen 130. For example, the data processing device 100 displays an image corresponding to the three-dimensional virtual model generated by the data processing device 100 in the main window (or first window) 530, and displays an image corresponding to the three-dimensional virtual model generated by the data processing device 100 in the sub window (or second window) 540. An image of three-dimensional data corresponding to the scanned area of interest can be displayed.

That is, the data processing device 100 displays an image corresponding to the three-dimensional data obtained by processing the scan data of the scan area of interest 520 received in real time from the scanner 200 on the sub window 540, and displays the image corresponding to the three-dimensional data obtained by processing the scan data of the scan area of interest 520 received in real time from the scanner 200. Scan data corresponding to 520 can be collected and created as a three-dimensional virtual model, and then image 550 of the generated three-dimensional virtual model can be displayed on the main window 530. An image 550 of the three-dimensional virtual model of the main window 530 may display a box 560 to indicate a scanning area of interest in the three-dimensional virtual model.

As shown in FIG. 5 , three-dimensional data corresponding to an image displayed on the main window 530 or sub-window 540 of the display 130 may include voxel data and/or mesh data.

Hereinafter, voxel data and mesh data will be described with reference to FIG. 6.

Figure 6 is a reference diagram for explaining voxel data and mesh data processed based on scan data according to an embodiment.

The data processing device 100 can obtain a three-dimensional virtual model by receiving scan data from the scanner 200, processing it, and generating mesh data consisting of polygons and vertices. The data processing device 100 can establish and apply a plan for oral treatment or correction based on the three-dimensional virtual model in the form of a mesh. When two-dimensional data is acquired using a scanner, the data processing device 100 may calculate the coordinates of a plurality of illuminated surface points using a triangulation method. By scanning the surface of an object while moving it using a scanner, the coordinates of surface points can be accumulated as the amount of scan data increases. As a result of this image acquisition, a point cloud of vertices can be identified to represent the extent of the surface. Points within a point cloud may represent actual measured points on the three-dimensional surface of an object. The surface structure can be approximated by forming a polygonal mesh where adjacent vertices of the point cloud are connected by line segments. A polygonal mesh can be determined in various ways, such as a triangular, square, or pentagonal mesh. The relationships between the polygons of the mesh model and neighboring polygons can be used to extract features of tooth boundaries, such as curvature, minimum curvature, edges, and spatial relationships. For example, referring to FIG. 6, three-dimensional data may be composed of a triangular mesh created by connecting a plurality of vertices constituting a point cloud and adjacent vertices with lines. Each vertex may include location information and color information as its properties. The location information that each vertex has as an attribute may consist of X, Y, and Z coordinates on a three-dimensional coordinate system. The color information that each vertex has as an attribute may have an RGB value representing the color acquired by a camera or image sensor provided in the scanning device. In this way, the shape, outline, and color of the three-dimensional oral model can be expressed by the properties of each vertex, that is, position information and color information.

The data processing device 100 can receive scan data in real time to create and display a three-dimensional virtual model in the form of a mesh. However, in order for the data processing device 100 to receive scan data and process it into a mesh-type three-dimensional virtual model in real time, high processing speed and high performance of the data processing device 100 are required, so the data processing device 100 displays the scan data in real time on the screen of the display. The data used can be voxel data instead of mesh data.

The data processing device 100 may use scan data to generate volume data composed of volume elements (i.e., voxels), which are basic data used to express 3D objects. Generally, a voxel refers to a pixel that has a third coordinate, the Z coordinate, in addition to the x and y coordinates in the Cartesian coordinate system. In other words, voxels represent equally sized cubes that form a discretely defined 3D space. A typical voxel-based 3D scene may consist of one or more voxel sets, and each voxel set consists of one or more voxels. 3D voxel data is rendered to create a 2D image on an appropriate output device, such as a display. Rendering refers to creating a 2D graphic image on an output device from a 3D voxel data file and includes creating an image using color or texture to give the image a sense of reality.

In general, it is easier in terms of processing speed and processing performance to render images in real time using voxel data rather than mesh data, so the data processing device 100 uses voxel data to display images of scan data received from scan data in real time. Data is available.

Returning to FIG. 4 , in operation 420, as described above, the data processing device 100 may display an image corresponding to three-dimensional data in real time using voxel data or mesh data based on scan data.

In operation 430, the scanner 200 may detect a user input through a user interface while scanning an object. The scanner 200 can detect user input through one or more sensors, buttons, microphones, etc. included in the user interface.

In operation 440, the scanner 200 may identify a function corresponding to the user input detected through the user interface. Specifically, the scanner 200 may store information mapping functions corresponding to various user inputs detected through the user interface. For example, the scanner 200 may store user input-function mapping information 300 as shown in FIG. 3 . Therefore, when the scanner 200 detects a user input, it can find the corresponding function by referring to the user input-function mapping information 300 as shown in FIG. 3. The scanner 200 can identify whether the function corresponding to the user input is related to the scanner setting function or the scan data processing function. If it is determined that the function corresponding to the user input corresponds to the scanner setting function, operation 450 may be performed.

At operation 450, the scanner 200 may stop scanning operations.

In operation 460, the scanner 200 may perform a scanner setting operation corresponding to a user input. For example, the scanner 200 may refer to the user input-function mapping information 300 as shown in FIG. 3, identify a scanner setting function corresponding to the detected user input, and perform the identified scanner setting function. The scanner setting function is a function that changes scanner settings and may include, for example, changing scan resolution, changing scan depth, changing scan light source color, and changing filtering settings.

In operation 440, if it is determined that the function corresponding to the user input corresponds to the scan data processing function, the process may proceed to operation 470.

At operation 470, the scanner 200 may stop scanning operations. Due to this interruption of the scan operation, real-time scan data transmission may also be stopped.

In operation 480, the scanner 200 may transmit a control signal corresponding to the user input to the data processing device 100. For example, the scanner 200 refers to the user input-function mapping information 300 as shown in FIG. 3, identifies a scan data processing function corresponding to the detected user input, and instructs the scanner 200 to perform the identified scan data processing function. The control signal may be transmitted to the data processing device 100. For example, the scan data processing function may include an undo function, a revival function, and a locking function.

In operation 490, the data processing device 100 may receive a control signal corresponding to the user input from the scanner 200 and process three-dimensional data according to the received control signal. Processing of three-dimensional data may include undoing, reviving, locking, etc. of three-dimensional data corresponding to the image displayed on the display of the data processing device 100.

In operation 495, the data processing device 100 may display an image corresponding to the processed three-dimensional data.

Figure 7 is a detailed flowchart according to an example of an operation method performed in a data processing device according to an embodiment.

Referring to FIG. 7 , in operation 710, the data processing device 100 may receive scan data obtained by scanning an object from the scanner 200 in real time.

In operation 720, the data processing device 100 generates three-dimensional data based on scan data received from the scanner 200 in order to display the portion of the object currently being scanned on the display in real time, and creates an image corresponding to the generated three-dimensional data. It can be displayed on the display in real time.

In operation 730, the data processing device 100 may receive a control signal from the scanner 200. The control signal received from the scanner 200 may include a command instructing the scanner 200 to perform a data processing function in the data processing device 100 according to a user input detected through the user interface of the scanner 200.

In operation 740, the data processing device 100 parses the control signal received from the scanner 200 and determines whether the control signal corresponds to an undo command, a redo command, or a locking command. You can determine if it is. If it is determined that the control signal received from the scanner 200 corresponds to an undo command, operation 750 may be performed.

In operation 750, the data processing device 100 may hide a predetermined number of the most recently input frames among the frames constituting the three-dimensional data according to an undo command.

Hereinafter, the operation of the data processing device according to the undo command will be described with reference to FIG. 8.

FIG. 8 is a reference diagram for explaining how a data processing device operates according to a revert command received from a scanner, according to an embodiment.

Referring to FIG. 8 , the data processing device 100 may generate three-dimensional data based on scan data received from the scanner 200 and display an image 811 corresponding to the three-dimensional data 810 on the display 130 in real time. Three-dimensional data 810 may be composed of a plurality of frames. For example, three-dimensional data 810 may consist of frames F1 - F11. The data processing device 100 may display image 811 corresponding to three-dimensional data consisting of frames F1-F11 on the display 130. With the image 811 displayed on the display 130 of the data processing device 100, the user may wish to hide the recently scanned data for various purposes or reasons. In this case, it is not hygienic to input using the input device of the data processing device 100 to hide the data displayed on the display of the data processing device 100 while holding the scanner 200 to scan the patient's oral cavity, and it is not hygienic to process the scan operation. is not efficient. Therefore, the user can issue a data processing command through user input using the user interface provided in the scanner 200. For example, with image 811 displayed on the display 130 of the data processing device 100, when the user inputs a user input corresponding to a revert command to the scanner 200, this user input is provided to the data processing device 100, and the data processing device 100 According to the undo command, a predetermined number of frames among the frames constituting the generated three-dimensional data 810 can be hidden. For example, if the predetermined number of frames to be hidden is three, the data processing device 100 obtains three-dimensional data 820 by hiding the most recently input frames F9, F10, and F11 among the frames of three-dimensional data 810, An image 821 corresponding to the three-dimensional data 820 in which frames F9, F10, and F11 are hidden can be displayed on the display 130. When image 821 is displayed on the display 130 through the hiding process and a user input corresponding to the second rewind is received from the scanner 200, the data processing device 10 selects a predetermined number of frames from the three-dimensional data 820. For example, three-dimensional data 830 is obtained by hiding three frames F6, F7, and F8, and in addition to frames F9, F10, and F11, a total of six frames, including frames F6, F7, and F8, are hidden, corresponding to three-dimensional data 830. Image 831 can be displayed on the display 130.

Hiding processing according to this undo command is to make some of the frames that make up the three-dimensional data invisible to the user by not displaying them, and is different from deleting the frame itself. Therefore, the user can make hidden frames visible by following the revive command.

According to one embodiment, the three-dimensional data that the data processing device 100 hides according to the undo command may include voxel data or mesh data generated based on scan data.

According to one embodiment, the data processing device 100 may determine the predetermined number of frames to be hidden in three-dimensional data in various ways according to the undo command.

According to one embodiment, a user input corresponding to a revert command may be received by continuously pressing a button provided on the scanner 200 or continuously shaking the scanner 200, and the data processing device 100 continuously presses the button from the scanner 200. A control signal corresponding to the pushing operation may be received. In this case, the data processing device 100 may continue to hide and display frames from recently input three-dimensional data until the button push operation is released, and then stop the hiding process when the button push operation is released.

According to one embodiment, the data processing device 100 may receive information on the time at which the user presses a button provided on the scanner 200 from the scanner 200, and determine the number of frames to be hidden in the three-dimensional data in proportion to the time at which the button was pressed. For example, if the button is pressed for a short time, the data processing device 100 can hide a small number of frames, and if the button is pressed for a long time, the data processing device 100 can hide a large number of frames.

Returning to FIG. 7 , if it is determined in operation 740 that the control signal received from the scanner 200 corresponds to a redo command, operation 760 may be performed.

In operation 760, the data processing device 100 may restore a predetermined number of frames that were most recently hidden among the frames constituting three-dimensional data according to a redo command.

Hereinafter, the operation of the data processing device according to the restore command will be described with reference to FIG. 9.

FIG. 9 is a reference diagram for explaining how a data processing device operates according to a restore command received from a scanner, according to an embodiment.

Referring to FIG. 9 , the data processing device 100 may display an image 831 corresponding to three-dimensional data 830 in which frames F6-F11 are hidden according to a two-time undo operation as shown in FIG. 8 on the display 130.

In this state, with image 831 displayed on the display 130 of the data processing device 100, the user may wish to restore the recently hidden portion for various purposes or reasons. In this case, inputting data using the input device of the data processing device 100 to recover hidden data while holding the scanner 200 to scan the patient's oral cavity is not hygienic and is not efficient in scanning operation processing. Therefore, the user can issue a data processing command through user input using the user interface provided in the scanner 200. For example, with image 831 displayed on the display 130 of the data processing device 100, when the user inputs a user input corresponding to a revive command on the scanner 200, this user input is provided to the data processing device 100, and the data processing device 100 According to the restore command, a predetermined number of frames from among the hidden frames constituting the three-dimensional data 830 can be restored. For example, if the predetermined number of frames to be recovered is three, the data processing device 100 obtains the three-dimensional data 820 by recovering and processing the most recently hidden frames F6, F7, and F8 among the frames of the three-dimensional data 830. , an image 821 corresponding to the three-dimensional data 820 in which frames F6, F7, and F8 have been recovered and processed can be displayed on the display 130. In this way, when the user input corresponding to the second restoration is received from the scanner 200 while the image 821 is displayed on the display 130 through the recovery processing operation, the data processing device 100 retrieves the most recently hidden frames from the three-dimensional data 820. Three-dimensional data 810 is acquired by recovering F9, F10, and F11, and a total of six frames, including frames F9, F10, and F11, in addition to frames F6, F7, and F8, are recovered, and an image 811 corresponding to three-dimensional data 810 is displayed. 130 It can be displayed in .

According to one embodiment, the three-dimensional data that the data processing device 100 recovers and processes according to a restore command may include voxel data or mesh data generated based on scan data.

According to one embodiment, the data processing device 100 may determine a predetermined number of frames to be recovered from three-dimensional data according to a restore command in various ways.

According to one embodiment, a user input corresponding to a revive command may be received by continuously pressing a button provided on the scanner 200 or continuously shaking the scanner 200, and the data processing device 100 continuously presses the button from the scanner 200. A control signal corresponding to the pushing operation may be received. In this case, the data processing device 100 may continuously process and display recovery processes from recently hidden frames in the three-dimensional data until the button push operation is released, and then stop the recovery processing operation when the button push operation is released.

According to one embodiment, the data processing device 100 may receive information on the time at which the user presses a button provided on the scanner 200 from the scanner 200, and determine the number of frames to be recovered from the three-dimensional data in proportion to the time at which the button was pressed. For example, if the button is pressed for a short time, the data processing device 100 may recover and process a small number of frames, and if the button is pressed for a long time, the data processing device 100 may recover and process a large number of frames.

Going back to FIG. 7 , if it is determined in operation 740 that the control signal received from the scanner 200 corresponds to a locking command, operation 770 may be performed.

In operation 770, the data processing device 100 may confirm and process the three-dimensional data in its current state so that the three-dimensional data is no longer hidden or restored according to a locking command.

Hereinafter, the operation of the data processing device according to the locking command will be described with reference to FIG. 10.

FIG. 10 is a reference diagram for explaining how a data processing device operates according to a locking command received from a scanner, according to an embodiment.

Referring to FIG. 10 , the data processing device 100 may display an image 821 corresponding to three-dimensional data 820 in which frames F9-F11 are hidden according to a one-time undo operation as shown in FIG. 8 on the display 130.

In this state, when the image 821 is displayed on the display 130 of the data processing device 100, the user may wish to confirm the image in its current state so that it is no longer hidden or restored. For example, the user may want the data in the current state to be fixed definitively so that the data in the current state is no longer modified after attempts at the undo and restore operations. In this case, using the input device of the data processing device 100 to input data while holding the scanner 200 to scan the patient's oral cavity is not hygienic and is not efficient in processing the scan operation. Therefore, the user can issue a data processing command through user input using the user interface provided in the scanner 200. For example, with image 821 displayed on the display 130 of the data processing device 100, when the user inputs a user input corresponding to a locking command to the scanner 200, this user input is provided to the data processing device 100, and the data processing device 100 According to the locking command, hidden frames F9-F11 among the frames constituting the three-dimensional data 820 can be deleted. Through this deletion process, the data processing device 100 can generate three-dimensional data 840 consisting of F1-F8 and display an image 841 corresponding to the three-dimensional data 840. Image 821 and image 841 are the same, but since image 841 is an image that has been locked so that it can no longer be edited, the user can no longer apply the undo or revive function to image 841.

According to one embodiment, the data processing device 100 cannot apply the revert function or revive function to three-dimensional data confirmed by the locking operation, but does not apply the revert function or revive function to three-dimensional data generated based on newly received scan data after locking. The revive function can be applied. In the example shown in FIG. 10, after the three-dimensional data 840 including frames F1-F8 is confirmed by the locking function, scan data is then received to receive three-dimensional data including new frames F9-F14 to create three-dimensional data 850. When created, the data processing device 100 can apply the undo function and the restore function to the newly created F9-F14 after the locking operation.

In general, when the scanner 200 acquires scan data of the oral cavity by scanning while moving along the teeth of the oral cavity, the data processing device 100 can generate three-dimensional data by sorting the received scan data based on overlapping parts. . Meanwhile, the user can scan a non-contiguous area of the oral cavity using the scanner 200. For example, if you start scanning from the left molar and then move to the right molar to scan, the scanner can acquire scan data for two non-contiguous areas. An example of a case where the data processing device 100 performs an undo or refresh operation in a situation where three-dimensional data for an area of one or more objects is simultaneously displayed on the display will be described with reference to FIGS. 11 to 13.

FIG. 11 is a reference diagram for explaining an operation of a data processing device to display images corresponding to a plurality of areas of an object, according to an embodiment.

Referring to FIG. 11, the data processing device 100 displays a thumbnail of the first image corresponding to the first area of the object on the first sub-screen 1110, and displays a thumbnail of the first image corresponding to the first area of the object on the second sub-screen 1120. A thumbnail of the second image corresponding to the area may be displayed, and a third image corresponding to the first area of the object or a third area spaced apart from the second area may be displayed on the main screen 1130. The number of sub-screens can be determined in various ways.

According to one embodiment, the data processing device 100 may perform data processing operations such as undoing, reviving, and locking on three-dimensional data corresponding to the image displayed on the main screen. Therefore, in order to perform a data processing operation on the image displayed on the sub screen, the image corresponding to the sub screen can be moved to the main screen. The user can exchange the image displayed on the first or second sub-screen with the image displayed on the main screen according to user input. For example, the user causes the first image corresponding to the thumbnail displayed on the first sub screen to be displayed on the main screen by dragging the thumbnail displayed on the first sub screen to the first sub screen, and the third image displayed on the main screen. The thumbnail of the image can be displayed on the first sub screen. After moving in this way, the data processing device 100 can perform a data processing operation on the third image displayed on the main screen 1130.

According to one embodiment, when all images displayed on the main screen are hidden by a repetitive undo operation and there are no more images to be displayed, the data processing device 100 may not perform any operation. In this case, the user can manually move the image displayed on the sub screen to the main screen.

According to one embodiment, when all images displayed on the main screen are hidden by a repetitive revert operation and there are no more images to be displayed, the data processing device 100 automatically moves the image corresponding to the sub screen to the main screen. It can be displayed. At this time, the data processing device 100 may move images corresponding to the sub screen to the main screen in the order of recently scanned data. For example, if the image of the second sub-screen is more recently scanned data, the data processing device 100 may move the image corresponding to the second sub-screen to the main screen.

According to one embodiment, the data processing device may set locking for each sub-screen. Locking may mean setting to prevent an undo or revive operation from being executed. Referring to FIG. 11, a lock icon 1140 indicating locking is displayed on the first sub screen. To indicate locking, a visual effect can be given using not only the lock icon but also the color or thickness of the border of the sub screen.

FIG. 12 is a reference diagram for explaining an operation of displaying three-dimensional data corresponding to a first area of an object on a display of a data processing device, according to an embodiment.

Referring to FIG. 12, the data processing device 100 receives scan data corresponding to a first region of the oral cavity as an object, processes the received scan data to generate three-dimensional data, and creates a first image corresponding to the generated three-dimensional data. can be displayed in real time on the main screen 1210 of the display.

Next, when the data processing device 100 receives scan data corresponding to a second area that is not continuous with the first area, that is, is spaced apart, it moves the thumbnail image of the first image corresponding to the first area to the sub screen 1220 and displays it. , scan data corresponding to the second area can be processed to generate three-dimensional data, and a second image corresponding to the generated three-dimensional data can be displayed in real time on the main screen 1210 of the display.

In this way, in a state where images corresponding to different areas are displayed on the main screen 1210 and the sub screen 1220 of the display of the data processing device 100, the user selects the image displayed on the main screen 1210, that is, the second image corresponding to the second area. A revert operation or a restore operation can be performed. That is, when a user inputs a user input corresponding to a revert operation by operating the scanner 200 while images corresponding to different areas are displayed on the main screen 1210 and the sub screen 1220, as shown in 1200B of FIG. 12, the data processing device 100 Receives a control signal corresponding to the user input from the scanner 200, and can perform hiding processing on three-dimensional data corresponding to the second image corresponding to the second area displayed on the main screen 1210. Then, as the user repeatedly performs a revert operation on the second image corresponding to the second area displayed on the main screen 1210, all of the second images displayed on the main screen 1210 are hidden, so that the second image to be displayed on the main screen 1210 is hidden. When not visible, the data processing device 100 may operate according to various scenarios.

According to one embodiment, the user repeatedly performs a revert operation on the second image corresponding to the second area displayed on the main screen 1210, so that all second images displayed on the main screen 1210 are hidden and cannot be displayed on the main screen 1210. If the second image is not visible, the data processing device 100 may not automatically perform any operation. In other words, the data processing device 100 performs data processing operations, that is, reversing, reviving, and locking operations, on three-dimensional data corresponding to the image displayed on the main screen. Therefore, in order to perform data processing operations on the image on the sub screen, the user must use the sub screen. The image must be moved to the main screen. For example, the user can cause the first image corresponding to the sub-screen 1220 to be displayed on the main screen 1210 through a user input, such as dragging the thumbnail of the first image displayed on the sub-screen 1220 to the main screen 1210. And when the user operates the scanner 200 and inputs a user input corresponding to a revert operation while the first image is displayed on the main screen 1210, the data processing device 100 receives a control signal corresponding to the user input from the scanner 200, Depending on the reception of the control signal, the three-dimensional data of the first image corresponding to the main screen 1210 can be hidden.

According to one embodiment, while the second image is displayed on the main screen 1210 of the display of the data processing device 100 and the first image is displayed on the sub-screen 1220, the user performs a data processing operation on the first image displayed on the sub-screen 1220. If the user wants to do this, the user exchanges the positions of the second image displayed on the main screen 1210 and the first image displayed on the sub screen 1220, so that the first image is displayed on the main screen 1110 and then sends data to the first image. Processing operations can be performed.

According to one embodiment, as shown in 1200B of FIG. 11, the user repeatedly performs a revert operation on the second image corresponding to the second area displayed on the main screen 1210, thereby hiding all second images displayed on the main screen 1210. When the second image to be processed and displayed on the main screen 1210 is not visible, the data processing device 100 may automatically move the image on the sub-screen 1220 to the main screen 1210.

FIG. 13 is a reference diagram for explaining an operation in which the data processing device 100 automatically moves the image of the sub-screen 1220 to the main screen 1210 when all images displayed on the main screen 1210 are hidden according to an embodiment.

Referring to 1300A of FIG. 13, the display device 100 repeatedly performs a revert operation on the second image corresponding to the second area displayed on the main screen 1210, so that all second images displayed on the main screen 1210 are hidden and appear on the main screen. If there is no second image to display on 1210, the data processing device 100 may automatically move the first image corresponding to the thumbnail displayed on the sub screen 1220 to the main screen 1210. Then, when a control signal corresponding to a user input instructing a revert operation is received, the data processing device 100 may perform hiding processing on the three-dimensional data corresponding to the first image displayed on the main screen 1210.

The method of processing oral images according to an embodiment of the present disclosure may be implemented in the form of program instructions that can be executed through various computer means and recorded on a computer-readable medium. Additionally, an embodiment of the present disclosure may be a computer-readable storage medium on which one or more programs including at least one instruction for executing a method of processing oral images are recorded.

The computer-readable storage medium may include program instructions, data files, data structures, etc., singly or in combination. Here, examples of computer-readable storage media include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical media such as CD-ROMs and DVDs, and floptical disks. Magneto-optical media such as magneto-optical media, and hardware devices configured to store and perform program instructions such as ROM, RAM, flash memory, etc. may be included.

Here, the device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory storage medium' may mean that the storage medium is a tangible device. Additionally, the 'non-transitory storage medium' may include a buffer where data is temporarily stored.

According to one embodiment, the oral image processing method according to various embodiments disclosed in this document may be included and provided in a computer program product. The computer program product may be distributed on a machine-readable storage medium (e.g., compact disc read only memory (CD-ROM)). Alternatively, it may be distributed (e.g., downloaded or uploaded) online, through an application store (e.g., Play Store, etc.) or directly between two user devices (e.g., smartphones). Specifically, the computer program product according to the disclosed embodiment may include a storage medium on which a program including at least one instruction for performing the method of processing an oral image according to the disclosed embodiment is recorded.

Although the embodiments have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements made by those skilled in the art using the basic concept of the present invention defined in the following claims are also included in the scope of the present invention. belongs to

Some embodiments may also be implemented in the form of a recording medium containing instructions executable by a computer, such as program modules executed by a computer. Computer-readable media can be any available media that can be accessed by a computer and includes both volatile and non-volatile media, removable and non-removable media. Additionally, computer-readable media may include computer storage media. Computer storage media includes both volatile and non-volatile, removable and non-removable media implemented in any method or technology for storage of information such as computer-readable instructions, data structures, program modules or other data.

The disclosed embodiments may be implemented as S/W programs including instructions stored in computer-readable storage media.

A computer is a device capable of calling instructions stored from a storage medium and performing operations according to the disclosed embodiments according to the called instructions, and may include an electronic device according to the disclosed embodiments.

Computer-readable storage media may be provided in the form of non-transitory storage media. Here, ‘non-transitory’ only means that the storage medium does not contain signals and is tangible, and does not distinguish whether the data is stored semi-permanently or temporarily in the storage medium.

Additionally, the control method according to the disclosed embodiments may be included and provided in a computer program product. Computer program products are commodities and can be traded between sellers and buyers.

A computer program product may include a S/W program and a computer-readable storage medium in which the S/W program is stored. For example, a computer program product may include a product in the form of a S/W program (e.g., a downloadable app) distributed electronically by the device manufacturer or through an electronic marketplace (e.g., Google Play Store, App Store). . For electronic distribution, at least part of the S/W program may be stored in a storage medium or temporarily created. In this case, the storage medium may be a manufacturer's server, an electronic market server, or a relay server's storage medium that temporarily stores the SW program.

A computer program product, in a system comprised of a server and a device, may include a storage medium of a server or a storage medium of a device. Alternatively, if there is a third device (eg, a smartphone) in communication connection with the server or device, the computer program product may include a storage medium of the third device. Alternatively, the computer program product may include a S/W program itself that is transmitted from a server to a device or a third device, or from a third device to the device.

In this case, one of the server, the device, and the third apparatus may execute the computer program product to perform the method according to the disclosed embodiments. Alternatively, two or more of a server, a device, and a third apparatus may execute the computer program product and perform the methods according to the disclosed embodiments in a distributed manner.

For example, a server (eg, a cloud server or an artificial intelligence server, etc.) may execute a computer program product stored on the server and control a device connected to the server to perform the method according to the disclosed embodiments.

As another example, a third device may execute a computer program product to control a device communicatively connected to the third device to perform the method according to the disclosed embodiment. When the third device executes the computer program product, the third device may download the computer program product from the server and execute the downloaded computer program product. Alternatively, the third device may perform the methods according to the disclosed embodiments by executing the computer program product provided in a preloaded state.

Additionally, in this specification, a “unit” may be a hardware component such as a processor or circuit, and/or a software component executed by the hardware component such as a processor.

The foregoing description of the present disclosure is for illustrative purposes, and those skilled in the art will understand that the present disclosure can be easily modified into other specific forms without changing its technical idea or essential features. will be. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive. For example, each component described as single may be implemented in a distributed manner, and similarly, components described as distributed may also be implemented in a combined form.

The scope of the present disclosure is indicated by the claims described below rather than the detailed description above, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present disclosure. do.

Claims (20)

In the data processing device,
display,
communication interface,
a memory containing one or more instructions, and
Comprising a processor executing the one or more instructions,
The processor executes the one or more instructions,
Controlling the communication interface to receive scan data of the object obtained by scanning the object from a scanner,
Controlling the display to display an image corresponding to three-dimensional data generated based on frames constituting the scan data,
While displaying the image, control the communication interface to receive control signals from the scanner generated in response to user input sensed through one or more user interfaces of the scanner,
Obtain three-dimensional data adjusted based on frames excluding the one or more hidden frames by hiding one or more frames among the frames constituting three-dimensional data corresponding to the image displayed on the display according to the control signal, or Or, by recovering and processing one or more frames that were hidden, three-dimensional data adjusted based on the frames including the one or more recovered frames are obtained,
A data processing device that controls the display to display an image using the adjusted three-dimensional data.
According to paragraph 1,
The processor executes the one or more instructions,
A data processing device that hides a predetermined number of the most recently input frames among the frames constituting the three-dimensional data as the control signal corresponds to an undo command. According to paragraph 2,
The processor executes the one or more instructions,
A data processing device that recovers a predetermined number of frames that were most recently hidden as the control signal corresponds to a redo command. According to paragraph 3,
The processor executes the one or more instructions,
A data processing device that determines and processes three-dimensional data based on the frames constituting the three-dimensional data in the current state so that the hiding process or the recovery process is no longer allowed as the control signal corresponds to a locking command. .
According to paragraph 1,
The processor executes the one or more instructions,
Controlling the display to display a first image corresponding to first three-dimensional data generated based on scan data corresponding to a first area of the object on a sub screen,
Controlling the display to display a second image corresponding to second three-dimensional data generated based on scan data corresponding to a second area of the object spaced apart from the first area on the main screen,
Performs a function of adjusting three-dimensional data corresponding to the second image displayed on the main screen according to a control signal received from the scanner,
A data processing device that controls the display to display a second image using the adjusted three-dimensional data. According to clause 5,
The processor executes the one or more instructions,
A data processing device that sets a locking function to prevent a data adjustment function from being performed on three-dimensional data corresponding to the first image displayed on the sub screen. According to clause 5,
The processor executes the one or more instructions,
As the control signal corresponds to an undo command, all of the second three-dimensional data is hidden by hiding the most recently input predetermined number of frames among the frames constituting the second three-dimensional data. When processed, the data processing device controls the display to display a first image corresponding to the first three-dimensional data corresponding to the sub screen on the main screen. In the scanner,
an optical unit that performs a scanning operation;
one or more sensors,
a communication interface, and
Includes a processor,
The processor,
Controlling the communication interface to transmit scan data of the object obtained by scanning the object using the optical unit to a data processing device,
Obtaining user input detected through the one or more sensors,
Controlling the optical unit to stop the scanning operation according to the user input,
Controlling the communication interface to perform a function corresponding to the user input or transmit a control signal for controlling the data processing device to perform a function corresponding to the user input,
The control signal causes the data processing device to hide one or more frames among the frames constituting three-dimensional data corresponding to the image displayed on the display of the data processing device, thereby excluding the one or more frames that have been hidden. A scanner that displays an image using three-dimensional data adjusted based on or three-dimensional data adjusted based on frames including one or more frames that have been hidden by recovering and processing one or more frames that have been hidden. According to clause 8,
A scanner, wherein each sensor of the one or more sensors corresponds to one or more functions of a plurality of functions. According to clause 9,
The plurality of functions are:
A scanner comprising at least one of a data adjustment function, a locking function, and a function for adjusting settings of the optical unit. In a method of operating a data processing device,
An operation of receiving scan data of the object obtained by scanning the object from a scanner,
An operation of displaying an image corresponding to three-dimensional data generated based on frames constituting the scan data,
Receiving, from the scanner, a control signal generated according to user input detected through one or more user interfaces of the scanner while displaying the image;
By hiding one or more frames among the frames constituting the three-dimensional data corresponding to the image displayed on the display according to the control signal, three-dimensional data adjusted based on the frames excluding the one or more hidden frames are obtained, or An operation of recovering and processing one or more frames that have been hidden to obtain adjusted three-dimensional data based on frames including the one or more recovered frames, and
A method of operating a data processing device, comprising displaying an image using the adjusted three-dimensional data.
According to clause 11,
As the control signal corresponds to an undo command, the method further includes hiding a predetermined number of the most recently input frames among the frames constituting the three-dimensional data. According to clause 12,
A method of operating a data processing device further comprising recovering a predetermined number of frames that were most recently hidden as the control signal corresponds to a redo command. According to clause 13,
As the control signal corresponds to a locking command, the operation of confirming the three-dimensional data based on the frames constituting the three-dimensional data in the current state so that the hiding process or the recovery process is no longer allowed is further included. A method of operating a data processing device.
According to clause 11,
An operation of displaying a first image corresponding to first three-dimensional data generated based on scan data corresponding to a first area of the object on a sub-screen;
An operation of displaying a second image corresponding to second three-dimensional data generated based on scan data corresponding to a second area of the object spaced apart from the first area on the main screen;
An operation of performing a function of adjusting three-dimensional data corresponding to the second image displayed on the main screen according to a control signal received from the scanner, and
A method of operating a data processing device, further comprising displaying a second image using the adjusted three-dimensional data. According to clause 15,
A method of operating a data processing device, further comprising setting a locking function to prevent a data adjustment function from being performed on three-dimensional data corresponding to the first image displayed on the sub-screen. According to clause 15,
As the control signal corresponds to an undo command, all of the second three-dimensional data is hidden by hiding the most recently input predetermined number of frames among the frames constituting the second three-dimensional data. When processed, a method of operating a data processing device further comprising displaying a first image corresponding to the first three-dimensional data corresponding to the sub screen on the main screen. In a method of operating a scanner including an optical unit and one or more sensors,
An operation of transmitting scanned data of the object obtained by scanning the object using the optical unit to a data processing device;
An operation of acquiring user input detected through the one or more sensors,
Controlling the optical unit to stop the scanning operation according to the user input,
An operation of performing a function corresponding to the user input or transmitting a control signal for controlling the data processing device to perform a function corresponding to the user input, and
The control signal causes the data processing device to hide one or more frames among the frames constituting three-dimensional data corresponding to the image displayed on the display of the data processing device, thereby excluding the one or more frames that have been hidden. Comprising an operation of displaying an image using three-dimensional data adjusted based on or three-dimensional data adjusted based on frames including one or more frames that have been recovered by recovering and processing one or more frames that have been hidden, How the scanner works. According to clause 18,
A method of operating a scanner, wherein each sensor of the one or more sensors corresponds to one or more functions among a plurality of functions. According to clause 19,
The plurality of functions are:
A method of operating a scanner, comprising at least one of a data editing function, a locking function, and a function for adjusting settings of the optical unit.

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