JP2010139686A - Projector, program, and information storage medium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a projector, or the like, which carries out various kinds of controls, according to the operational information from the same device, without having to interrupt a presentation. <P>SOLUTION: The projector includes an operational information-inputting part 110 which inputs operational information; an indicated position information-generating part 120, which generates indicated position information which indicates the positions indicated, on the basis of the operational information; a gesture-determining part 130, which determines whether the operational information indicates gestures, on the basis of the designated position information; a control part 170, which makes control which conforms to the gestures, when the operational information indicates the gestures; an image-generating part 160, which generates images which indicate the indicated positions, on the basis of the indicated position information, when the operational information does not indicate the gestures; and a projection part 190, which projects the images which indicate the designated positions. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a projector, a program, and an information storage medium.

  In order to enlarge an image while projecting an image using a projector, the user projects an OSD (On Screen Display) image by operating a button using a remote controller (remote controller), and the position to be enlarged And the enlargement ratio had to be selected from the OSD image menu. However, in the case of a projector, a large number of audiences are observing one image, and projecting an OSD image different from the presentation image in such a situation lowers the visibility of information and interrupts the presentation. This is not preferable.

Also, for example, in Japanese Patent Laid-Open No. 2008-15402, in a projection system using a mobile phone or a PC (Personal Computer) and a projector, an operation unit or a remote control of the projector is used to enlarge or reduce the projected image. The use is described.
JP 2008-15402 A

  However, in order to perform image enlargement or the like while operating a PC or a mobile phone, the user needs to move the mouse or mobile phone connected to the PC and the remote control to operate it, and the operation is complicated. Become.

  An object of the present invention is to provide a projector, a program, and an information storage medium capable of performing various controls according to operation information from the same apparatus without interrupting a presentation.

  In order to solve the above problems, a projector according to the present invention includes an operation information input unit that inputs operation information, an instruction position information generation unit that generates instruction position information indicating an instruction position based on the operation information, and the instruction A gesture determination unit that determines whether the operation information indicates a gesture based on position information; a control unit that performs control according to the gesture when the operation information indicates a gesture; and When the operation information does not indicate a gesture, an image generation unit that generates an image indicating the specified position based on the specified position information, and a projection unit that projects an image that indicates the specified position, To do.

  Further, the program according to the present invention includes a computer having a projector, an instruction position information generation unit that generates instruction position information indicating an instruction position based on the operation information, and the operation information is a gesture based on the instruction position information. A gesture determination unit that determines whether the operation information indicates a gesture, a control unit that performs control according to the gesture, and a case where the operation information does not indicate a gesture, It is made to function as an image generation part which produces | generates the image which shows the said instruction | indication position based on the said instruction | indication position information.

  An information storage medium according to the present invention is an information storage medium storing a program readable by a computer included in the projector, and stores the program.

  According to the present invention, the projector can generate an image indicating the designated position according to the operation information, and can perform control according to the gesture when the operation information indicates a gesture. Therefore, various controls can be performed according to operation information from the same apparatus without interrupting the presentation.

  In addition, when the image is enlarged or reduced as the control, the control unit may determine the enlargement rate or reduction rate of the image based on at least one of the movement amount and the instruction time indicated by the operation information. Good.

  According to this, the projector can enlarge the image more flexibly by determining the enlargement ratio of the image according to the movement amount indicated by the operation information.

  Further, the image generation unit may generate an image that moves a cursor image in accordance with the operation information as an image indicating the designated position.

  According to this, the projector can generate an image for moving the cursor image while determining a gesture.

  Further, the image generation unit may generate an image indicating a locus of the designated position in accordance with the operation information as an image indicating the designated position.

  According to this, the projector can generate an image indicating the locus of the designated position while determining the gesture.

  The operation information input unit may input the operation information from a tablet or a mouse.

  According to this, the user can perform not only drawing of a locus but also various controls using a tablet or a mouse.

  The operation information input unit inputs the operation information from a tablet, and the gesture determination unit is configured to enlarge, reduce, rotate, or select the operation information when an operation is performed in a gesture area of the tablet. It may be determined whether or not the gesture is indicated.

  According to this, since the projector can determine the gesture according to the area of the tablet, the gesture can be determined more accurately.

  Further, the operation information input unit inputs the operation information from a mouse, and the gesture determination unit is configured to enlarge, reduce, rotate or select the operation information when an operation is performed in the gesture area of the image. It may be determined whether or not the gesture is indicated.

  According to this, since the projector can determine the gesture according to the operation position in the image, the determination of the gesture can be performed more accurately.

  Embodiments in which the present invention is applied to a projector will be described below with reference to the drawings. In addition, the Example shown below does not limit the content of the invention described in the claim at all. In addition, all the configurations shown in the following embodiments are not necessarily essential as means for solving the invention described in the claims.

(First embodiment)
FIG. 1 is a diagram showing a projection situation in the first embodiment. The projector 100 is connected to the PC 50 wirelessly, and is connected to the pen tablet 30 via the USB cable 40. The projector 100 projects the image 20 on the screen 10 based on the image information from the PC 50.

  The user uses the pen tablet 30 to perform various controls such as rotation, enlargement, and reduction of the image 20 and power off of the projector 100.

  Next, functional blocks of the projector 100 having such functions will be described. FIG. 2 is a functional block diagram of the projector 100 according to the first embodiment.

  The projector 100 includes an operation information input unit 110 that inputs operation information, an instruction position information generation unit 120 that generates instruction position information indicating an instruction position based on the operation information, and a gesture that the operation information is based on the instruction position information. It includes a gesture determination unit 130 that determines whether or not the image is to be shown, and a storage unit 140 that stores image data 142, gesture determination data 144, and the like.

  The items of the gesture determination data 144 include, for example, “type” indicating the device type from which the operation information is generated, “gesture content” indicating the operation content and operation area of the gesture, and “control” indicating the control content by the gesture. “Content” etc.

  Further, the projector 100 includes an image information input unit 150 that inputs image information from the PC 50 or the like, a control unit 170 that performs control according to the gesture when the operation information indicates a gesture, and the operation information that indicates a gesture. When not indicated, the image generation unit 160 includes an image generation unit 160 that generates an image 20 indicating the designated position and a projection unit 190 that projects the image 20 based on the designated position information.

  Note that the projector 100 may implement the functions of these units using the following hardware. For example, in the projector 100, the operation information input unit 110 is a USB interface, the pointing position information generation unit 120, the gesture determination unit 130, the control unit 170 is a CPU, the storage unit 140 is a RAM, the image information input unit 150 is a wireless LAN. For example, the image generation unit 160 may be mounted using an image processing circuit, the projection unit 190 may be mounted using a lamp, a liquid crystal panel, a liquid crystal driving circuit, a lens, or the like.

  Further, the projector 100 may implement the functions such as the gesture determination unit 130 by reading a program stored in the information storage medium 200. As such an information storage medium 200, for example, a CD-ROM, DVD-ROM, ROM, RAM, HDD, or the like can be applied.

  Next, a procedure for projecting the image 20 by the projector 100 will be described. FIG. 3 is a flowchart showing a projection procedure in the first embodiment.

  The image information input unit 150 inputs image information (for example, RGB signals) from the PC 50 by wireless communication (step S1). The operation information input unit 110 inputs operation information (for example, information indicating the occurrence of a pen-down event, the occurrence of a pen-up event, a pen-down state, an operation position, etc.) from the pen tablet 30 via the USB cable 40 (step S2). ).

  For example, the operation information when the user presses the pen tip against the pen tablet 30 is information indicating that a pen down event has occurred, a pressed position on the pen tablet 30, and the like. In addition, for example, the operation information when the user moves the pen tip while pressing the pen tip against the pen tablet 30 is information indicating that the pen is in a pen-down state, a pressed position on the pen tablet 30, and the like. For example, the operation information when the user releases the pen tip from the pen tablet 30 is information indicating that a pen-up event has occurred, a pressing position immediately before pen-up, and the like.

  The designated position information generation unit 120 generates designated position information based on the operation information (step S3). The indicated position information is, for example, information indicating that the device type is a pen tablet, an event, a pressed position on the pen tablet, and the like. For example, the indication position information when the pen tip is pressed against the pen tablet is that the device type is a pen tablet, that a pen down event has occurred, the pressed position on the pen tablet (coordinated to common coordinates according to the model) Information).

  The gesture determination unit 130 determines whether or not the operation information indicates a gesture based on the indicated position information and the gesture determination data 144 (step S4). For example, the gesture determination unit 130 searches the gesture determination data 144 for a “type” that matches the device type indicated by the indicated position information, and the type of gesture information that matches the operation content indicated by the indicated position information is A search is performed from the corresponding gesture determination data 144.

  FIG. 4A is a diagram illustrating an operation example during right rotation in the first embodiment, and FIG. 4B is a diagram illustrating an OSD image 340 during right rotation in the first embodiment. FIG. 4C is a diagram illustrating the image 301 after the change at the time of the right rotation in the first embodiment.

  In this embodiment, the pen tablet 30 has a non-gesture area 34 for drawing a trajectory in a drawable area inside the frame 38, and a gesture area 36 surrounding the non-gesture area 34. Yes.

  As shown in FIG. 4A, when the user performs an operation of moving the pen from left to right in the upper gesture area 36, the gesture determination unit 130 rotates the source image 320 in the image 20 to the right by 90 degrees. It is determined that this is a clockwise rotation gesture.

  In the case of a right rotation gesture, the control unit 170 controls the image generation unit 160 to rotate the source image 320 (an image based on image information from the PC 50 or the like) 90 degrees to the right. The image generation unit 160 includes an OSD image 340 showing a right rotation at the center according to the control, and once generates the image 300 including the source image 320, the source image 320 is rotated 90 degrees to the right. An image 301 including the image 321 is generated.

  FIG. 5A is a diagram showing an operation example during enlargement in the first embodiment, and FIG. 5B is a diagram showing an OSD image 341 during enlargement in the first embodiment. FIG. 5C is a diagram illustrating the image 303 after the change at the time of enlargement in the first embodiment.

  As shown in FIG. 5A, when the user performs an operation of moving the pen from the bottom to the top in the gesture area 36 on the right side, the gesture determination unit 130 performs an enlargement gesture for enlarging the source image 320 in the image 20. Judge that there is.

  If the gesture is an enlargement gesture, the control unit 170 controls the image generation unit 160 to enlarge the source image 320. The image generation unit 160 includes an OSD image 341 showing enlargement in the center in accordance with the control, and once generates the image 302 including the source image 320, the image 303 includes the source image 322 obtained by enlarging the source image 320. Is generated.

  FIG. 6A is a diagram showing an operation example at the time of reduction in the first embodiment, and FIG. 6B is a diagram showing an OSD image 342 at the time of reduction in the first embodiment. FIG. 6C is a diagram illustrating the image 305 after the change at the time of reduction in the first embodiment.

  As shown in FIG. 6A, when the user performs an operation of moving the pen from the top to the bottom in the right gesture area 36, the gesture determination unit 130 uses a reduction gesture for reducing the source image 320 in the image 20. Judge that there is.

  If the gesture is a reduction gesture, the control unit 170 controls the image generation unit 160 to reduce the source image 320. The image generation unit 160 includes an OSD image 342 showing reduction at the center in accordance with the control, and once generates an image 304 including the source image 320, and then includes an image 305 including the source image 323 obtained by reducing the source image 320. Is generated.

  On the other hand, when the gesture determination unit 130 determines that the gesture is not a gesture, the image generation unit 160 shows the locus of the designated position according to the operation information based on the image information from the image information input unit 150 and the designated position information. An image 20 is generated (step S6).

  The projection unit 190 projects the images 20, 300 to 305 (step S7). The projector 100 determines whether or not to end the series of processes (steps S1 to S8) according to an end instruction or the like (step S8), ends the series of processes if it should end, and if not to end the series of processes. continue processing.

  As described above, according to the present embodiment, the projector 100 can generate the image 20 indicating the locus of the designated position in accordance with the operation information, and when the operation information indicates a gesture, Since the control according to the gesture can be performed, various controls can be performed according to the operation information from the same device (pen tablet 30) without interrupting the presentation.

  Further, according to the present embodiment, the projector 100 can determine a gesture according to the area of the pen tablet 30, and thus can determine the gesture more accurately.

  Further, according to the present embodiment, the projector 100 can cope with various gestures by using the image data 142 and the gesture determination data 144, and can update the specifications by updating these data. It is possible to respond flexibly to changes and the like.

  In addition, according to the present embodiment, the user can perform not only drawing of the trajectory but also various controls using the pen tablet 30. That is, when performing control, the user does not perform an OSD image display operation or perform an operation using a remote controller or the like, and can draw a locus or perform various operations using only the same device (pen tablet 30). Control can be performed.

(Second embodiment)
In the first embodiment, the projector 100 uses the operation information from the pen tablet 30, but may use the operation information from the mouse.

  FIG. 7 is a diagram showing a projection situation in the second embodiment. A mouse 32 is connected to the projector 100 via a USB cable 41. FIG. 8A is a diagram illustrating an example of an operation during a right rotation in the second embodiment, and FIG. 8B is a diagram illustrating an OSD image 340 during a right rotation in the second embodiment. FIG. 8C is a diagram showing the image 402 after the change in the right rotation in the second embodiment.

  The operation information in the case of the mouse 32 is information indicating the occurrence of a click event, the occurrence of a drag release event, the drag state, the operation position, and the like, for example. The designated position information is information indicating that the device type is a mouse, an event, a relative movement direction, a movement amount, and the like.

  The gesture determination unit 130 grasps the current cursor position (instructed position) in the image 400. As shown in FIG. 8 (A), when the current cursor position is not the non-gesture area 410 but the upper position in the gesture area 420, the pointing position information indicates that it has moved to the right by a predetermined amount or more. The determination unit 130 determines that the gesture is a clockwise rotation gesture.

  When the gesture is a right rotation gesture, the control unit 170 controls the image generation unit 160 to rotate the source image 320 to the right by 90 degrees. The image generation unit 160 includes an OSD image 340 showing a right rotation at the center according to the control, and once generates the image 300 including the source image 320, the source image 320 is rotated 90 degrees to the right. An image 301 including the image 321 is generated.

  Note that the image generation unit 160 generates the image 20 indicating the locus of the designated position when the gesture is not a gesture. In addition, even in the case of a gesture, the image generation unit 160 may generate the image 20 indicating the locus of the designated position before the gesture operation is completed.

  As described above, even when the operation information is input from the mouse 32, the projector 100 has the same operational effects as when the operation information is input from the pen tablet 30.

(Other examples)
In addition, application of this invention is not limited to the Example mentioned above, A various deformation | transformation is possible. For example, when enlarging or reducing the image as the above-described control, the control unit 170 may determine the enlargement or reduction rate of the image based on at least one of the movement amount indicated by the operation information and the instruction time. . For example, the control unit 170 increases the enlargement rate or the reduction rate as the movement amount increases, or increases the enlargement rate or reduction rate as the pen down duration (instruction time) of the pen tablet 30 or the drag duration (instruction time) of the mouse 32 is longer. The reduction rate may be increased.

  According to this, the projector 100 determines the image enlargement rate or the like according to the movement amount or the like indicated by the operation information, so that the user can enlarge the image more flexibly.

  Further, the image generation unit 160 may generate an image that moves the cursor image according to the operation information as an image indicating the designated position. According to this, the projector 100 can generate an image for moving the cursor image while determining a gesture.

  The operation result of the pen tablet 30 or the like is not limited to image enlargement, image reduction, image rotation, and generation of an image indicating the designated position. For example, image decoration (highlight display etc.), next Display of the previous image, display of the previous image, storage of data, reading of data, change of the supply device of image information (so-called source switching), and the like. Even when performing these operations, the user only has to operate the pen tablet 30 or the mouse 32, so that the user can make a presentation without interruption.

  For example, a gesture for saving data is an operation of writing S in reverse order (from bottom to top), and a gesture for reading data is L in reverse order (write order to move up after moving from right to left). The gesture for performing the writing operation and switching the source includes the operation of writing V in reverse order (switching to video image information), the operation of writing P in reverse order (switching to image information from the PC 50), and the operation of writing M in reverse order (from the memory card) Switching to the image information).

  Further, the operation information generation device is not limited to the pen tablet 30 and the mouse 32, and may be a liquid crystal pen tablet, a touch pad, a trackball, or the like. Further, when there is only one type of operation information generation device, the above-described type notification, conversion to common coordinates, and the like may not be performed. Further, the operation information input unit 110 and the designated position information generation unit 120 may be integrated. For example, the designated position information generation unit may input the operation information from the pen tablet 30 or the like and generate the designated position information. .

  The projector 100 is not limited to a liquid crystal projector (transmission type, reflection type such as LCOS), and may be a projector using a DMD (Digital Micromirror Device), for example. DMD is a trademark of Texas Instruments Incorporated.

It is a figure which shows the projection condition in a 1st Example. It is a functional block diagram of the projector in a 1st Example. It is a flowchart which shows the projection procedure in a 1st Example. FIG. 4A is a diagram illustrating an operation example during right rotation in the first embodiment, and FIG. 4B is a diagram illustrating an OSD image during right rotation in the first embodiment. FIG. 4C is a diagram illustrating an image after change at the time of right rotation in the first embodiment. FIG. 5A is a diagram showing an operation example at the time of enlargement in the first embodiment, and FIG. 5B is a diagram showing an OSD image at the time of enlargement in the first embodiment. (C) is a diagram showing an image after change at the time of enlargement in the first embodiment. 6A is a diagram illustrating an operation example at the time of reduction in the first embodiment, and FIG. 6B is a diagram illustrating an OSD image at the time of reduction in the first embodiment. (C) is a diagram showing an image after change at the time of reduction in the first embodiment. It is a figure which shows the projection condition in a 2nd Example. FIG. 8A is a diagram illustrating an operation example during right rotation in the second embodiment, and FIG. 8B is a diagram illustrating an OSD image during right rotation in the second embodiment. FIG. 8C is a diagram illustrating an image after change at the time of right rotation in the second embodiment.

Explanation of symbols

  10 screen, 20, 300-305, 400-402 image, 30 pen tablet, 32 mouse, 34, 410 non-gesture area, 36, 420 gesture area, 38 frames, 40, 41 USB cable, 50 PC, 100 projector, 110 Operation information input unit, 120 Pointed position information generation unit, 130 Gesture determination unit, 140 Storage unit, 142 Image data, 144 Gesture determination data, 150 Image information input unit, 160 Image generation unit, 170 Control unit, 190 Projection unit, 200 Information storage medium, 320-323 source image, 340-342 OSD image

Claims (9)

An operation information input unit for inputting operation information;
Based on the operation information, an instruction position information generation unit that generates instruction position information indicating an instruction position;
A gesture determination unit that determines whether the operation information indicates a gesture based on the indicated position information;
When the operation information indicates a gesture, a control unit that performs control according to the gesture;
If the operation information does not indicate a gesture, an image generation unit that generates an image indicating the designated position based on the designated position information;
A projection unit that projects an image indicating the indicated position;
including,
projector. The projector according to claim 1.
The control unit, as the control, determines an enlargement rate or a reduction rate of the image based on at least one of a movement amount and an instruction time indicated by the operation information when the image is enlarged or reduced.
projector. The projector according to claim 1,
The image generation unit generates an image for moving a cursor image according to the operation information as an image indicating the designated position.
projector. The projector according to any one of claims 1 to 3,
The image generation unit generates an image indicating a locus of the designated position according to the operation information as an image indicating the designated position.
projector. The projector according to any one of claims 1 to 4,
The operation information input unit inputs the operation information from a tablet or a mouse.
projector. The projector according to any one of claims 1 to 4,
The operation information input unit inputs the operation information from a tablet,
The gesture determination unit determines whether the operation information indicates a gesture for enlarging, reducing, rotating, or selecting an image when an operation is performed in a gesture area of the tablet;
projector. The projector according to any one of claims 1 to 4,
The operation information input unit inputs the operation information from a mouse,
The gesture determination unit determines whether the operation information indicates a gesture for enlarging, reducing, rotating, or selecting an image when an operation is performed in a gesture area of the image;
projector. The computer that the projector has
Based on the operation information, an instruction position information generation unit that generates instruction position information indicating an instruction position;
A gesture determination unit that determines whether the operation information indicates a gesture based on the indicated position information;
When the operation information indicates a gesture, a control unit that performs control according to the gesture;
When the operation information does not indicate a gesture, based on the instruction position information, the operation information is made to function as an image generation unit that generates an image indicating the instruction position.
program. An information storage medium storing a program readable by a computer of a projector,
An information storage medium storing the program according to claim 8.

Images