CN108141524A - Distant view photograph image pickup method and device - Google Patents
Distant view photograph image pickup method and device Download PDFInfo
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- CN108141524A CN108141524A CN201680000893.7A CN201680000893A CN108141524A CN 108141524 A CN108141524 A CN 108141524A CN 201680000893 A CN201680000893 A CN 201680000893A CN 108141524 A CN108141524 A CN 108141524A
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- H—ELECTRICITY
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Abstract
Present disclose provides a kind of distant view photograph image pickup method and devices, are related to image taking field, the method includes：Collected first image of front camera and collected second image of rear camera are obtained, the first image and the second image are collected during rotation of mobile terminal；Whether the sum of angle coverage for detecting the first image and the second image reaches default angle coverage threshold value；If the sum of angle coverage of the first image and the second image reaches default angle coverage threshold value, distant view photograph is synthesized according to the first image and the second image.The embodiment of the present disclosure can reduce the rotation angle of mobile terminal in shooting process using dual camera shooting and image composing technique, so as to improve distant view photograph shooting efficiency, ensure the stability of mobile terminal during pan-shot, improve the shooting quality of distant view photograph.
Description
This disclosure relates to image taking field, in particular to a kind of distant view photograph image pickup method and device.
With the continuous improvement of mobile terminal image processing techniques, panorama photographing mode becomes one of screening-mode indispensable in mobile terminal.
Under panorama photographing mode, user is panned using the rear camera of mobile terminal during photo, is needed through moving in rotation terminal, is found a view so that rear camera realizes 360 °.But limited by rear camera wide-angle degree, user, which needs the biggish angle of rotation of mobile terminal being just able to achieve 360 °, to find a view.
Summary of the invention
Present disclose provides a kind of distant view photograph image pickup method and devices.The technical solution is as follows:
In a first aspect, a kind of distant view photograph image pickup method is provided, for being provided with the mobile terminal of front camera and rear camera, this method comprises:
Collected first image of front camera and collected second image of rear camera are obtained, the first image and the second image are collected during rotation of mobile terminal；
Whether the sum of the angle coverage for detecting the first image and the second image reaches default angle coverage threshold value；
If the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value, distant view photograph is synthesized according to the first image and the second image.
Optionally, angular-rate sensor is provided in mobile terminal；
Whether the sum of the angle coverage for detecting the first image and the second image reaches default angle coverage threshold value, comprising:
The rotation angle of mobile terminal is calculated according to the angular velocity data of angular-rate sensor acquisition；
Whether detection rotation angle reaches target rotation angle, and target rotates angle and determined according to the wide-angle degree of front camera and rear camera；
If rotation angle reach target rotation angle, it is determined that the angle coverage of the first image and the second image it
With reach default angle coverage threshold value.
Optionally, this method, further includes:
Obtain the first wide-angle degree of front camera and the second wide-angle degree of rear camera；
If the first wide-angle degree is determined as target rotation angle less than the second wide-angle degree, by (180 ° of-the first wide-angle degree)；
If the first wide-angle degree is greater than the second wide-angle degree, (180 ° of-the second wide-angle degree) is determined as target rotation angle.
Optionally, this method, further includes:
Determine the first image and the corresponding image preview area of the second image, the preview direction of the first image and the second image is different for showing the first image and the second image acquired in real time, and in different images preview area for image preview area；
Calculate the first image and the corresponding live view angle of the second image；
Shooting progress is shown in image preview area according to live view angle.
Optionally, the first image and the corresponding live view angle of the second image are calculated, comprising:
According to the corresponding first live view angle of the first wide-angle degree and the first image of real time rotation angle calculation of front camera；
According to the corresponding second live view angle of the second wide-angle degree and the second image of real time rotation angle calculation of rear camera.
Optionally, this method, further includes:
Display reminding information, prompt information are used to indicate photographer and shoot amendment photo, and the corresponding viewfinder area of amendment photo includes the region that photographer's portrait is blocked in distant view photograph；
Obtain amendment photo；
Distant view photograph is modified according to amendment photo, photographer's portrait is not included in revised distant view photograph.
Second aspect provides a kind of distant view photograph filming apparatus, and for being provided with the mobile terminal of front camera and rear camera, which includes:
First obtains module, is configured as obtaining collected first image of front camera and collected second image of rear camera, the first image and the second image are collected during rotation of mobile terminal；
Detection module, is configured as whether detection the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value；
Synthesis module is configured as when the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value, synthesizes distant view photograph according to the first image and the second image.
Optionally, angular-rate sensor is provided in the mobile terminal；
Detection module, comprising:
First computational submodule is configured as calculating the rotation angle of mobile terminal according to the angular velocity data that angular-rate sensor acquires；
Detection sub-module, is configured as whether detection rotation angle reaches target rotation angle, and target rotates angle and determined according to the wide-angle degree of front camera and rear camera；
It determines submodule, is configured as determining that the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value when rotation angle reaches target rotation angle.
Optionally, the device, further includes:
Second obtains module, is configured as obtaining the first wide-angle degree of front camera and the second wide-angle degree of rear camera；
First determining module is configured as when the first wide-angle degree is less than the second wide-angle degree, and (180 ° of-the first wide-angle degree) is determined as target rotation angle；
Second determining module is configured as when the first wide-angle degree is greater than the second wide-angle degree, and (180 ° of-the second wide-angle degree) is determined as target rotation angle.
Optionally, the device, further includes:
Third determining module, it is configured to determine that the first image and the corresponding image preview area of the second image, the preview direction of the first image and the second image is different for showing the first image and the second image acquired in real time, and in different images preview area for image preview area；
Computing module is configured as calculating the first image and the corresponding live view angle of the second image；
First display module is configured as showing shooting progress in image preview area according to live view angle.
Optionally, computing module, comprising:
Second computational submodule is configured as the corresponding first live view angle of the first wide-angle degree and the first image of real time rotation angle calculation according to front camera；
Third computational submodule is configured as the corresponding second live view angle of the second wide-angle degree and the second image of real time rotation angle calculation according to rear camera.
Optionally, the device, further includes:
Second display module, is configured as display reminding information, and prompt information is used to indicate photographer's shooting and repairs
Positive photo, the corresponding viewfinder area of amendment photo include the region that photographer's portrait is blocked in distant view photograph；
Third obtains module, is configured as obtaining amendment photo；
Correction module is configured as being modified distant view photograph according to amendment photo, photographer's portrait is not included in revised distant view photograph.
The third aspect, provides a kind of distant view photograph filming apparatus, which includes:
Processor, the front camera and rear camera being electrically connected with the processor；
Memory for storage processor executable instruction；
Wherein, processor is configured as:
Collected first image of front camera and collected second image of rear camera are obtained, the first image and the second image are collected during rotation of mobile terminal；
Whether the sum of the angle coverage for detecting the first image and the second image reaches default angle coverage threshold value；
If the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value, distant view photograph is synthesized according to the first image and the second image.
The technical solution that the embodiment of the present disclosure provides can include the following benefits:
When panning photo, mobile terminal enables front camera and rear camera simultaneously, to acquire the first image and the second image respectively using front camera and rear camera during moving in rotation terminal, and when the sum of the first image and the angle coverage of the second image reach panorama angle, the first image and the second image are synthesized into distant view photograph；Compared to merely with rear camera pan photo when, since rotation of mobile terminal angle is larger, shooting picture is caused easily to be shaken, influence the shooting quality of distant view photograph, in the embodiment of the present disclosure, the rotation angle of mobile terminal in shooting process can be reduced using dual camera shooting and image composing technique, to improve distant view photograph shooting efficiency, the stability for ensuring mobile terminal during pan-shot, improves the shooting quality of distant view photograph.
It should be understood that above general description and following detailed description is only illustrative, do not limit the disclosure.
The drawings herein are incorporated into the specification and forms part of this specification, and show ans embodiment consistent with the present disclosure, and and consistent with the instructions for explaining the principles of this disclosure.
Fig. 1 is that mobile terminal pans the implementation diagram of photo in the related technology；
Fig. 2 shows the flow charts for the distant view photograph image pickup method that an exemplary embodiment provides；
Fig. 3 A shows the flow chart of the distant view photograph image pickup method of another exemplary embodiment offer；
Fig. 3 B to Fig. 3 D is the implementation diagram of distant view photograph image pickup method shown in Fig. 3 A；
Fig. 3 E shows the flow chart that mobile terminal shows shooting progress process；
Fig. 3 F shows the interface schematic diagram of distant view photograph shooting process；
Fig. 3 G shows the flow chart of distant view photograph makeover process；
Fig. 3 H is the implementation diagram of distant view photograph makeover process；
Fig. 4 shows the structural block diagram of panorama shooting device provided by an exemplary embodiment；
Fig. 5 is a kind of block diagram of distant view photograph filming apparatus shown according to an exemplary embodiment.
Here illustrative examples will be illustrated in detail, the example is illustrated in the accompanying drawings.In the following description when referring to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Embodiment described in property embodiment illustrated below does not represent all implementations consistent with this disclosure.On the contrary, they are only the examples of the device and method consistent with some aspects as detailed in the attached claim, the disclosure.
Referenced herein " module " refers to the functional structure logically divided, and being somebody's turn to do " module " can be by pure hardware realization, alternatively, software and hardware is implemented in combination with.
Referenced herein " multiple " refer to two or more."and/or" describes the incidence relation of affiliated partner, indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
In order to facilitate understanding, the noun that the embodiment of the present disclosure is related to is explained below.
Front camera: it is arranged in the positive camera of mobile terminal, the display screen with mobile terminal is usually used in self-timer and video calling in same plane.
Rear camera: being arranged in the camera at the mobile terminal back side, and the back-cover with mobile terminal is usually used in photograph taking and video record in same plane.
Angle coverage: being used to indicate the viewfinder range of image covering, and angle coverage is bigger, indicates that the viewfinder range of image covering is bigger.For example, the viewfinder range of image covering is 360 ° of panoramas when the angle coverage of image is 360 °.
Wide-angle degree: a kind of camera parameter is used to indicate the camera lens visual angle of camera.Wide-angle degree is higher,
The camera lens visual angle of camera is bigger, and the angle coverage of the acquired image of camera is bigger；Wide-angle degree is lower, and the camera lens visual angle of camera is smaller, and the angle coverage of the acquired image of camera is smaller.
The distant view photograph image pickup method that each embodiment of the disclosure provides is used to be provided with the mobile terminal of front camera and rear camera, the mobile terminal can be smart phone, tablet computer, MP3 player (Moving Picture Experts Group Audio Layer III, dynamic image expert's compression standard audio level 3) and MP4 (Moving Picture Experts Group Audio Layer IV, dynamic image expert's compression standard audio level 4) player etc..For the convenience of description, only being schematically illustrated so that distant view photograph image pickup method is for smart phone as an example in following embodiments, open constitute is not limited.
As shown in Figure 1, in the related technology, user using mobile terminal pan photo when, mobile terminal only passes through rear camera 11 and carries out Image Acquisition.Since the wide-angle degree of rear camera 11 is limited, user needs moving in rotation terminal in shooting process, finds a view so that rear camera realizes 360 ° in rotary course.As shown in Figure 1, when the wide-angle degree of rear camera 11 is α, during panning photo, user needs the position as shown in Fig. 1 (a) by mobile terminal to rotate to position shown in Fig. 1 (b), i.e. by 360 ° of-α of rotation of mobile terminal, it can realize that 360 ° of rear camera 11 are found a view.Since rotation angle is spent greatly, user needs to take a long time that pan-shot could be completed, and when carrying out big angle rotary to mobile terminal, mobile terminal can inevitably shake, and cause the shooting quality of distant view photograph bad.
And in each embodiment of the disclosure, when user shoots photo under panorama photographing mode, mobile terminal opens front camera and rear camera simultaneously, it is found a view simultaneously using dual camera, and dual camera acquired image is synthesized to obtain distant view photograph, so that user only needs to can be completed rotation of mobile terminal smaller angle the shooting of distant view photograph, to improve the shooting efficiency and shooting quality of distant view photograph.It is illustrated below using schematical embodiment.
Fig. 2 shows the flow charts for the distant view photograph image pickup method that an exemplary embodiment provides.The embodiment of the present disclosure is applied to mobile terminal with the distant view photograph image pickup method to illustrate.The distant view photograph image pickup method includes:
In step 201, collected first image of front camera and collected second image of rear camera are obtained, the first image and the second image are collected during rotation of mobile terminal.
Under panorama photographing mode, mobile terminal opens front camera and rear camera simultaneously, and indicates that user is found a view by moving in rotation terminal.During user's moving in rotation terminal, mobile terminal is
Obtain the realtime graphic of front camera and rear camera acquisition.
In step 202, whether detection the sum of the first image and the angle coverage of the second image reaches default angle coverage threshold value.
Wherein, the angle coverage of first image is the sum of wide-angle degree and rotation angle of front camera, the angle coverage of second image is the sum of wide-angle degree and rotation angle of rear camera, correspondingly, the sum of angle coverage of the first image and the second image is (wide-angle degree+rear camera wide-angle degree+2 × rotation angle of front camera).
Optionally, when front camera is identical with the wide-angle degree of rear camera, which is 360 °；
Optionally, when the wide-angle degree difference of front camera and rear camera, this presets angle coverage threshold value | wide-angle degree-rear camera wide-angle degree of front camera |+360 °, wherein, | wide-angle degree-rear camera wide-angle degree of front camera | refer to the difference of front camera Yu rear camera wide-angle degree.
In step 203, if the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value, distant view photograph is synthesized according to the first image and the second image.
When the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value, mobile terminal determines that completing 360 ° finds a view, and splices to the first image and the second image, to synthesize distant view photograph.
In summary, in the present embodiment, when panning photo, mobile terminal enables front camera and rear camera simultaneously, to acquire the first image and the second image respectively using front camera and rear camera during moving in rotation terminal, and when the sum of the first image and the angle coverage of the second image reach panorama angle, the first image and the second image are synthesized into distant view photograph；Compared to merely with rear camera pan photo when, since rotation of mobile terminal angle is larger, shooting picture is caused easily to be shaken, influence the shooting quality of distant view photograph, the rotation angle of mobile terminal in shooting process can be reduced using dual camera shooting and image composing technique, to improve distant view photograph shooting efficiency, it is ensured that the stability of mobile terminal during pan-shot improves the shooting quality of distant view photograph.
In a kind of possible embodiment, when enabling panorama photographing mode, the angle that mobile terminal needs to rotate when mobile terminal determines that 360 ° of completion is found a view according to front camera and the respective wide-angle parameter of rear camera, whether real-time detection present rotation angel degree reaches the angle during pan-shot, and synthesizes distant view photograph when present rotation angel degree reaches the angle.It is illustrated below using schematical embodiment.
Fig. 3 A shows the flow chart of the distant view photograph image pickup method of another exemplary embodiment offer.This public affairs
It opens embodiment and mobile terminal is applied to illustrate with the distant view photograph image pickup method.The distant view photograph image pickup method includes:
In step 301, the first wide-angle degree of front camera and the second wide-angle degree of rear camera are obtained.
When detecting enabling panorama photographing mode, the second wide-angle degree of the first current wide-angle degree of acquisition for mobile terminal front camera and rear camera currently, wherein the first wide-angle degree and the second wide-angle degree are identical or different.
For example, the wide-angle degree of acquisition for mobile terminal to front camera and rear camera is 60 °；For another example, the first wide-angle degree of acquisition for mobile terminal to front camera is 80 °, and the second wide-angle degree of rear camera is 60 °.
In step 302, if the first wide-angle degree is determined as target rotation angle less than the second wide-angle degree, by (180 ° of-the first wide-angle degree).
After getting the first wide-angle degree and the second wide-angle degree, when mobile terminal further determines that completing 360 ° finds a view according to the first wide-angle degree and the second wide-angle degree, the angle (i.e. target rotation angle) of rotation needed for mobile terminal.
As shown in Figure 3B, first wide-angle degree of front camera 31 is α, second wide-angle degree of rear camera 32 is β, and α < β, when mobile terminal rotates clockwise 180 ° of-β, the angle coverage for the second image that rear camera 32 acquires is β+(180 ° of-β)=180 °, and the angle coverage for the first image that front camera 31 acquires is α+180 ° of < of (180 ° of-β), that is when 180 ° of-β of rotation of mobile terminal, the sum of angle coverage of first image and the second image is 360 ° of 360 °+alpha-beta <, mobile terminal not yet completes 360 ° and finds a view, it finds a view to complete 360 °, mobile terminal needs continue to rotate.When mobile terminal rotates clockwise 180 ° of-α, the angle coverage for the second image that rear camera 32 acquires is β+180 ° of > of (180 ° of-α), and the angle coverage for the first image that front camera 31 acquires is α+(180 ° of-α)=180 °, that is when 180 ° of-α of rotation of mobile terminal, the sum of angle coverage of first image and the second image is 360 ° of 360 °-alpha+beta >, and mobile terminal is completed 360 ° and finds a view.
It can be seen that, when the first wide-angle degree is less than the second wide-angle degree, mobile terminal, which at least rotates (180 ° of-the first wide-angle degree), could complete 360 ° and find a view, and therefore, (180 ° of-the first wide-angle degree) is determined as target rotation angle by mobile terminal.
Optionally, target rotation angle is slightly larger than (180 ° of-the first wide-angle degree), guarantees there is mobile surplus in rotary course.
In step 303, if the first wide-angle degree is greater than the second wide-angle degree, by (180 ° of-the second wide-angle
Degree) it is determined as target rotation angle.
It is similar, as shown in Figure 3 C, first wide-angle degree of front camera 31 is α, second wide-angle degree of rear camera 32 is β, and α > β, when mobile terminal rotates clockwise 180 ° of-α, the angle coverage for the second image that rear camera 32 acquires is β+180 ° of < of (180 ° of-α), and the angle coverage for the first image that front camera 31 acquires is α+180 ° of < of (180 ° of-α), that is when 180 ° of-α of rotation of mobile terminal, the sum of angle coverage of first image and the second image is 360 ° of 360 °-alpha+beta <, mobile terminal not yet completes 360 ° and finds a view, it finds a view to complete 360 °, mobile terminal needs continue to rotate.When mobile terminal rotates clockwise 180 ° of-β, the angle coverage for the second image that rear camera 32 acquires is β+(180 ° of-β)=180 °, and the angle coverage for the first image that front camera 31 acquires is α+180 ° of > of (180 ° of-β), that is when 180 ° of-α of rotation of mobile terminal, the sum of angle coverage of first image and the second image is 360 ° of 360 °+alpha-beta >, and mobile terminal is completed 360 ° and finds a view.
It can be seen that, when the first wide-angle degree is greater than the second wide-angle degree, mobile terminal, which at least rotates (180 ° of-the second wide-angle degree), could complete 360 ° and find a view, and therefore, (180 ° of-the second wide-angle degree) is determined as target rotation angle by mobile terminal.
Optionally, target rotation angle is slightly larger than (180 ° of-the second wide-angle degree), guarantees there is mobile surplus in rotary course.
It should be noted that, as shown in Figure 3D, when the second wide-angle degree of the first wide-angle degree of front camera 31 and rear camera 32 is α, when mobile terminal rotates clockwise 180 ° of-α, the angle coverage for the second image that the first image and rear camera 32 that front camera 31 acquires acquire is α+(180 ° of-α)=180 °, and first is not present intersection between corresponding with the second image angle coverage of image, that is when 180 ° of-α of rotation of mobile terminal, 360 ° is can be completed and found a view.Therefore, when the first wide-angle degree is equal to the second wide-angle degree, (180 ° of-the first wide-angle degree) or (180 ° of-the second wide-angle degree) is determined as target rotation angle by mobile terminal.
In step 304, collected first image of front camera and collected second image of rear camera are obtained, the first image and the second image are collected during rotation of mobile terminal.
Optionally, after determining target rotation angle, mobile terminal shows corresponding prompt information, instruction user at the uniform velocity moving in rotation terminal, correspondingly, mobile terminal obtains the second image that the first image that front camera acquires in real time and rear camera acquire in real time in rotary course.
Optionally, when carrying out pan-shot, front camera and rear camera are set equal resolution by mobile terminal, it is ensured that the resolution ratio of collected first image and the second image is identical.
In step 305, the rotation of mobile terminal is calculated according to the angular velocity data of angular-rate sensor acquisition
Angle.
Optionally, mobile terminal is when receiving beginning shooting instruction, current angular velocity of rotation is obtained by built-in angular-rate sensor (i.e. gyro sensor), and integral operation is carried out to the angular velocity of rotation got, to obtain the rotation angle of mobile terminal, wherein, this starts shooting instruction triggering when user clicks predetermined shooting control/physical button.
Within step 306, whether detection rotation angle reaches target rotation angle, and target rotates angle and determined according to the wide-angle degree of front camera and rear camera.
For mobile terminal in rotary course, whether the current rotation angle of real-time detection reaches target rotation angle.When rotation angle reaches target rotation angle, mobile terminal determines that being completed 360 ° finds a view, and executes following step 307；When rotating angle miss the mark rotation angle, mobile terminal determines that not yet completing 360 ° finds a view, and needs to be implemented and further rotates, and returns and execute above-mentioned steps 304, until rotation angle reaches target rotation angle.
In step 307, if rotation angle reaches target rotation angle, it is determined that the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value.
Such as, the wide-angle parameter of front camera and rear camera is 60 °, mobile terminal determines that the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value (completing 360 ° to find a view) when detecting that rotation angle reaches 120 °；For another example, 90 ° of the first wide-angle parameter of front camera and the second wide-angle parameter of rear camera is 80 °, mobile terminal determines that the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value (completing 360 ° to find a view) when detecting that rotation angle reaches 100 °.
Optionally, when detecting that rotation angle reaches target rotation angle, mobile terminal prompts user to stop rotating mobile terminal by predetermined way, which includes vibrational feedback, play default prompt tone, prompt information/animation etc. is preset in display.
In step 308, if the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value, distant view photograph is synthesized according to the first image and the second image.
Optionally, after mobile terminal completes the first image and the second Image Acquisition, the similar area in the first image and the second image is identified, and splice to the first image and the second image based on the similar area, to synthesize distant view photograph.Pairing is not defined the embodiment of the present disclosure at the concrete mode of distant view photograph.
Compared to existing distant view photograph style of shooting, using method provided in this embodiment pan photo when, the rotation angle of mobile terminal is obviously reduced.For example, the front camera of mobile terminal and the wide-angle degree of rear camera are 60 °, using existing distant view photograph style of shooting pan photo when, user
Need 300 ° of rotation of mobile terminal, and using method provided by the embodiment pan photo when, user only needs 120 ° of rotation of mobile terminal.
Correspondingly, the rotation angle due to mobile terminal reduces, user is easier to held stationary during moving in rotation terminal, it is ensured that the stability for picture of finding a view improves the shooting quality of distant view photograph.
In summary, in the present embodiment, when panning photo, mobile terminal enables front camera and rear camera simultaneously, to acquire the first image and the second image respectively using front camera and rear camera during moving in rotation terminal, and when the sum of the first image and the angle coverage of the second image reach panorama angle, the first image and the second image are synthesized into distant view photograph；Compared to merely with rear camera pan photo when, since rotation of mobile terminal angle is larger, shooting picture is caused easily to be shaken, influence the shooting quality of distant view photograph, the rotation angle of mobile terminal in shooting process can be reduced using dual camera shooting and image composing technique, to improve distant view photograph shooting efficiency, it is ensured that the stability of mobile terminal during pan-shot improves the shooting quality of distant view photograph.
In order to allow users to browse to front camera and rear camera acquired image simultaneously, and captured in real-time progress is grasped, further includes following steps after above-mentioned steps 305 as shown in FIGURE 3 E on the basis of Fig. 3 A:
In a step 309, the first image and the corresponding image preview area of the second image are determined, the preview direction of the first image and the second image is different for showing the first image and the second image acquired in real time, and in different images preview area for image preview area.
During panning photo, mobile terminal provides image preview function, for showing in specified image preview area to collected first image and the second image, wherein the first image and the corresponding image preview area of the second image are different.
For example, as illustrated in Figure 3 F, shooting interface is divided into left hand display area 33 and right hand display area 34 by dotted line, and left hand display area 33 is the image preview area of the first image, and right hand display area 34 is the image preview area of the second image.
In rotary course, the first image and the corresponding angle coverage of the second image constantly increase mobile terminal, correspondingly, mobile terminal is needed to the first image and the second image progress real-time update in image preview area.In a kind of possible embodiment, preview direction of first image in correspondence image preview area is first direction, and mobile terminal is in a first direction updated the first image；Preview direction of second image in correspondence image preview area is second direction, and mobile terminal is in a second direction updated the second image, wherein first direction and second direction difference.
Such as, as illustrated in Figure 3 F, preview direction of first image in left hand display area 33 is from left to right, preview direction of second image in right hand display area 34 is from right to left (i.e. the preview of the first image and the second image is contrary), in mobile terminal rotation process, mobile terminal updates the first image from left to right, updates the second image from right to left.When rotation angle reaches target rotation angle, the first image and the second image realize splicing.
In the step 310, the first image and the corresponding live view angle of the second image are calculated.
In order to make user grasp real-time shooting progress, in shooting process, mobile terminal calculates the first image and the respective live view angle of the second image in real time, and determines current shooting progress according to the live view angle.
In a kind of possible embodiment, mobile terminal is according to the corresponding first live view angle of the first wide-angle degree and the first image of real time rotation angle calculation of front camera, and according to the corresponding second live view angle of the second wide-angle degree and the second image of real time rotation angle calculation of rear camera.Wherein, real time rotation angle is calculated according to the angular velocity of rotation that angular-rate sensor acquires.
For example, the wide-angle degree of front camera and rear camera is 60 °, and real time rotation angle is 60 °, and the live view angle of the first image and the second image is 120 °.
In step 311, shooting progress is shown in image preview area according to live view angle.
Optionally, mobile terminal shoots progress according to live view angle calculation, and is shown in the form of progress bar to shooting progress.Wherein, progress=(first the+the second live view of live view angle angle)/default angle coverage threshold value is shot.
For example, as illustrated in Figure 3 F, while the first image of mobile terminal to update and the second image, shooting progress is obtained according to live view angle calculation, and shooting progress is shown by progress bar 35 in image preview area.
In the present embodiment, mobile terminal shows collected first image and the second image in same picture, and user is facilitated to grasp preposition and rear camera captured in real-time progress.
User's hand-held mobile terminal pan photo when, may be by itself portrait into photo, when user needs to eliminate itself portrait in distant view photograph, optionally, on the basis of Fig. 3 A, as shown in Figure 3 G, further include following steps after above-mentioned steps 308:
In step 312, display reminding information, prompt information are used to indicate photographer and shoot amendment photo, and the corresponding viewfinder area of amendment photo includes the region that photographer's portrait is blocked in distant view photograph.
In a kind of possible embodiment, when enabling portrait elimination function, mobile terminal is according to the first figure
It after picture and the second image synthesis distant view photograph, whether identifies in the distant view photograph comprising photographer's portrait, and when including photographer's portrait in identifying distant view photograph, display reminding information, to prompt user to shoot amendment photo.
Since photographer's portrait usually blocks the scene at back, optionally, which is used to indicate shooting amendment photo after user turns round, i.e., the region blocked in the amendment photo of user's shooting comprising the person's of being taken portrait in distant view photograph.
In step 313, amendment photo is obtained.
Correspondingly, the amendment photo of acquisition for mobile terminal user shooting.
For example, as shown in figure 3h, mobile terminal includes the distant view photograph 36 of photographer portrait according to the first image and the synthesis of the second image, and gets the amendment photo 37 of shooting.
In a step 314, distant view photograph is modified according to amendment photo, photographer's portrait is not included in revised distant view photograph.
Optionally, mobile terminal carries out image analysis to distant view photograph and amendment photo, determine photographer's portrait region in distant view photograph and the correcting region in amendment photo (photographer's portrait region is corresponding with correcting region), to which photographer's portrait region in distant view photograph is replaced with the correcting region, the amendment of distant view photograph is realized.
For example, as shown in figure 3h, mobile terminal analyzes distant view photograph 36 and amendment photo 37, the correcting region 37a for shooting portrait region 36a in distant view photograph 36 and correcting in photo 37 is determined.When being modified to distant view photograph 36, mobile terminal will shoot portrait region 36a and replace with correcting region 37a, generate panorama and correct photo 38.
In the present embodiment, when in the distant view photograph of shooting including photographer's portrait, mobile terminal indicates that user's shooting includes the amendment photo of photographer's portrait occlusion area, to be modified using the amendment photo to photographer's portrait, to eliminate photographer's portrait of distant view photograph, the shooting quality of distant view photograph is further improved.
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.For those undisclosed details in the apparatus embodiments, embodiments of the present disclosure is please referred to.
Fig. 4 shows the structural block diagram of panorama shooting device provided by an exemplary embodiment.The panorama shooting device can be by special hardware circuit, or, the combination of hardware and software is implemented as all or part of of mobile terminal.The panorama shooting device includes:
First obtains module 410, is configured as obtaining collected first image of front camera and postposition
Collected second image of camera, the first image and the second image are collected during rotation of mobile terminal；
Detection module 420, is configured as whether detection the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value；
Synthesis module 430 is configured as when the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value, synthesizes distant view photograph according to the first image and the second image.
In summary, in the present embodiment, when panning photo, mobile terminal enables front camera and rear camera simultaneously, to acquire the first image and the second image respectively using front camera and rear camera during moving in rotation terminal, and when the sum of the first image and the angle coverage of the second image reach panorama angle, the first image and the second image are synthesized into distant view photograph；Compared to merely with rear camera pan photo when, since rotation of mobile terminal angle is larger, shooting picture is caused easily to be shaken, influence the shooting quality of distant view photograph, the rotation angle of mobile terminal in shooting process can be reduced using dual camera shooting and image composing technique, to improve distant view photograph shooting efficiency, it is ensured that the stability of mobile terminal during pan-shot improves the shooting quality of distant view photograph.
Optionally, angular-rate sensor is provided in the mobile terminal；
Detection module 420, comprising:
First computational submodule is configured as calculating the rotation angle of mobile terminal according to the angular velocity data that angular-rate sensor acquires；
Detection sub-module, is configured as whether detection rotation angle reaches target rotation angle, and target rotates angle and determined according to the wide-angle degree of front camera and rear camera；
It determines submodule, is configured as determining that the sum of the first image and the angle coverage of the second image reach default angle coverage threshold value when rotation angle reaches target rotation angle.
Optionally, the device, further includes:
Second obtains module, is configured as obtaining the first wide-angle degree of front camera and the second wide-angle degree of rear camera；
First determining module is configured as when the first wide-angle degree is less than the second wide-angle degree, and (180 ° of-the first wide-angle degree) is determined as target rotation angle；
Second determining module is configured as when the first wide-angle degree is greater than the second wide-angle degree, and (180 ° of-the second wide-angle degree) is determined as target rotation angle.
Optionally, the device, further includes:
Third determining module is configured to determine that the first image and the corresponding image preview area of the second image
Domain, the preview direction of the first image and the second image is different for showing the first image and the second image acquired in real time, and in different images preview area for image preview area；
Computing module is configured as calculating the first image and the corresponding live view angle of the second image；
First display module is configured as showing shooting progress in image preview area according to live view angle.
Optionally, computing module, comprising:
Second computational submodule is configured as the corresponding first live view angle of the first wide-angle degree and the first image of real time rotation angle calculation according to front camera；
Third computational submodule is configured as the corresponding second live view angle of the second wide-angle degree and the second image of real time rotation angle calculation according to rear camera.
Optionally, the device, further includes:
Second display module is configured as display reminding information, and prompt information is used to indicate photographer and shoots amendment photo, and the corresponding viewfinder area of amendment photo includes the region that photographer's portrait is blocked in distant view photograph；
Third obtains module, is configured as obtaining amendment photo；
Correction module is configured as being modified distant view photograph according to amendment photo, photographer's portrait is not included in revised distant view photograph.
In the present embodiment, mobile terminal shows collected first image and the second image in same picture, and user is facilitated to grasp preposition and rear camera captured in real-time progress.
In the present embodiment, when in the distant view photograph of shooting including photographer's portrait, mobile terminal indicates that user's shooting includes the amendment photo of photographer's portrait occlusion area, to be modified using the amendment photo to photographer's portrait, to eliminate photographer's portrait of distant view photograph, the shooting quality of distant view photograph is further improved.
About the device in above-described embodiment, the concrete mode that wherein modules execute operation is described in detail in the embodiment of the method, and no detailed explanation will be given here.
Fig. 5 is a kind of block diagram of distant view photograph filming apparatus 500 shown according to an exemplary embodiment.For example, device 500 can be smart phone, tablet computer etc..
Referring to Fig. 5, device 500 may include following one or more components: processing component 502, memory 504, power supply module 506, multimedia component 508, audio component 510, the interface 512 of input/output (I/O), sensor module 514 and communication component 516.
The integrated operation of the usual control device 500 of processing component 502, such as with display, call, number
According to communication, camera operation and record operate associated operation.Processing component 502 may include one or more processors 520 to execute instruction, to perform all or part of the steps of the methods described above.In addition, processing component 502 may include one or more modules, convenient for the interaction between processing component 502 and other assemblies.For example, processing component 502 may include multi-media module, to facilitate the interaction between multimedia component 508 and processing component 502.
Memory 504 is configured as storing various types of data to support the operation in device 500.The example of these data includes the instruction of any application or method for operating on device 500, contact data, telephone book data, message, picture, video etc..Memory 504 can be realized by any kind of volatibility or non-volatile memory device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or CD.
Power supply module 506 provides electric power for the various assemblies of device 500.Power supply module 506 may include power-supply management system, one or more power supplys and other with for device 500 generate, manage, and distribute the associated component of electric power.
Multimedia component 508 includes the screen of one output interface of offer between described device 500 and user.In some embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensors to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense the boundary of a touch or slide action, but also detect duration and pressure associated with the touch or slide operation.In the present embodiment, multimedia component 508 includes front camera and rear camera, wherein front camera and rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 510 is configured as output and/or input audio signal.For example, audio component 510 includes a microphone (MIC), when device 500 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is configured as receiving external audio signal.The received audio signal can be further stored in memory 504 or send via communication component 516.In some embodiments, audio component 510 further includes a loudspeaker, is used for output audio signal.
I/O interface 512 provides interface between processing component 502 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and locking press button.
Sensor module 514 includes one or more sensors, for providing the status assessment of various aspects for device 500.Such as, what sensor module 514 can detecte device 500 opens/closes state, the relative positioning of component, such as the component is the display and keypad of device 500, sensor module 514 can be with the position change of 500 1 components of detection device 500 or device, the existence or non-existence that user contacts with device 500, the temperature change in 500 orientation of device or acceleration/deceleration and device 500.Sensor module 514 may include proximity sensor, be configured to detect the presence of nearby objects without any physical contact.Sensor module 514 can also include optical sensor, such as CMOS or ccd image sensor, for using in imaging applications.In some embodiments, which can also include acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 516 is configured to facilitate the communication of wired or wireless way between device 500 and other equipment.Device 500 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In one exemplary embodiment, communication component 516 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.In one exemplary embodiment, the communication component 516 further includes near-field communication (NFC) module, to promote short range communication.For example, can be realized based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology, bluetooth (BT) technology and other technologies in NFC module.
In the exemplary embodiment, device 500 can be realized by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, the memory 504 for example including instruction are additionally provided, above-metioned instruction can be executed by the processor 520 of device 500 to complete the above method.For example, the non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is executed by the processor of device 500, so that device 500 is able to carry out above-mentioned distant view photograph image pickup method.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to other embodiments of the disclosure.This application is intended to cover any variations, uses, or adaptations of the disclosure, these variations, uses, or adaptations follow the general principles of this disclosure and including generally known common sense and conventional technological means in the art, which is not disclosed in this disclosure.Description and embodiments are considered only as schematically
, the true scope and spirit of the disclosure are indicated by the following claims.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (13)
- A kind of distant view photograph image pickup method, which is characterized in that for being provided with the mobile terminal of front camera and rear camera, which comprisesCollected first image of the front camera and collected second image of the rear camera are obtained, the first image and second image are collected during the rotation of mobile terminal；Whether detection the sum of the first image and the angle coverage of second image reach default angle coverage threshold value；If the sum of the angle coverage of the first image and second image reaches the default angle coverage threshold value, distant view photograph is synthesized according to the first image and second image.
- The method according to claim 1, wherein being provided with angular-rate sensor in the mobile terminal；Whether detection the sum of the first image and the angle coverage of second image reach default angle coverage threshold value, comprising:The rotation angle of the mobile terminal is calculated according to the angular velocity data that the angular-rate sensor acquires；Detect whether the rotation angle reaches target rotation angle, the target rotation angle is determined according to the wide-angle degree of the front camera and the rear camera；If the rotation angle reaches the target rotation angle, it is determined that the sum of the angle coverage of the first image and second image reaches the default angle coverage threshold value.
- According to the method described in claim 2, it is characterized in that, the method, further includes:Obtain the first wide-angle degree of the front camera and the second wide-angle degree of the rear camera；If the first wide-angle degree is less than the second wide-angle degree, (180 °-the first wide-angle degree) are determined as the target rotation angle；If the first wide-angle degree is greater than the second wide-angle degree, (180 °-the second wide-angle degree) are determined as the target rotation angle.
- Method according to any one of claims 1 to 3, which is characterized in that the method, further includes:Determine that the first image and the corresponding image preview area of the second image, described image are pre- Region is look at for showing the first image acquired in real time and second image, and the first image is different with the preview direction of second image in different images preview area；Calculate the first image and the corresponding live view angle of second image；Shooting progress is shown in described image preview area according to the live view angle.
- According to the method described in claim 4, it is characterized in that, the calculating the first image and the corresponding live view angle of second image, comprising:According to the corresponding first live view angle of the first wide-angle degree and real time rotation angle calculation the first image of the front camera；According to the corresponding second live view angle of the second image described in the second wide-angle degree of the rear camera and the real time rotation angle calculation.
- Method according to any one of claims 1 to 5, which is characterized in that the method, further includes:Display reminding information, the prompt information are used to indicate photographer and shoot amendment photo, and the corresponding viewfinder area of photo of correcting includes the region that photographer's portrait is blocked in the distant view photograph；Obtain the amendment photo；The distant view photograph is modified according to the amendment photo, photographer's portrait is not included in the revised distant view photograph.
- A kind of distant view photograph filming apparatus, which is characterized in that for being provided with the mobile terminal of front camera and rear camera, described device includes:First obtains module, is configured as obtaining collected first image of the front camera and collected second image of the rear camera, the first image and second image are collected during the rotation of mobile terminal；Detection module, is configured as whether detection the sum of the first image and the angle coverage of second image reach default angle coverage threshold value；Synthesis module is configured as when the sum of the angle coverage of the first image and second image reaches the default angle coverage threshold value, synthesizes distant view photograph according to the first image and second image.
- Device according to claim 7, which is characterized in that be provided with angular-rate sensor in the mobile terminal；The detection module, comprising:First computational submodule is configured as calculating the rotation angle of the mobile terminal according to the angular velocity data that the angular-rate sensor acquires；Detection sub-module is configured as detecting whether the rotation angle reaches target rotation angle, and the target rotation angle is determined according to the wide-angle degree of the front camera and the rear camera；It determines submodule, is configured as determining that the sum of the angle coverage of the first image and second image reaches the default angle coverage threshold value when the rotation angle reaches the target rotation angle.
- Device according to claim 8, which is characterized in that described device, further includes:Second obtains module, is configured as obtaining the second wide-angle degree of the first wide-angle degree of the front camera and the rear camera；First determining module is configured as when the first wide-angle degree is less than the second wide-angle degree, and (180 °-the first wide-angle degree) are determined as the target rotation angle；Second determining module is configured as when the first wide-angle degree is greater than the second wide-angle degree, and (180 °-the second wide-angle degree) are determined as the target rotation angle.
- According to any device of claim 7 to 9, which is characterized in that described device, further includes:Third determining module, it is configured to determine that the first image and the corresponding image preview area of the second image, the first image is different with the preview direction of second image for showing the first image acquired in real time and second image, and in different images preview area for described image preview area；Computing module is configured as calculating the first image and the corresponding live view angle of second image；First display module is configured as showing shooting progress in described image preview area according to the live view angle.
- Device according to claim 10, which is characterized in that the computing module, comprising:Second computational submodule is configured as the corresponding first live view angle of the first wide-angle degree and real time rotation angle calculation the first image according to the front camera；Third computational submodule is configured as the corresponding second live view angle of the second image according to the second wide-angle degree of the rear camera and the real time rotation angle calculation.
- According to any device of claim 7 to 11, which is characterized in that described device, further includes:Second display module is configured as display reminding information, and the prompt information is used to indicate photographer and shoots amendment photo, and the corresponding viewfinder area of photo of correcting includes the region that photographer's portrait is blocked in the distant view photograph；Third obtains module, is configured as obtaining the amendment photo；Correction module is configured as being modified the distant view photograph according to the amendment photo, and photographer's portrait is not included in the revised distant view photograph.
- A kind of distant view photograph filming apparatus, which is characterized in that described device includes:Processor, the front camera and rear camera being electrical connected with the processor；For storing the memory of the processor-executable instruction；Wherein, the processor is configured to:Collected first image of the front camera and collected second image of the rear camera are obtained, the first image and second image are collected during the rotation of mobile terminal；Whether detection the sum of the first image and the angle coverage of second image reach default angle coverage threshold value；If the sum of the angle coverage of the first image and second image reaches the default angle coverage threshold value, distant view photograph is synthesized according to the first image and second image.
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| PCT/CN2016/099612 WO2018053722A1 (en) | 2016-09-21 | 2016-09-21 | Panoramic photo capture method and device |
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