CN104113696B - The image pickup method of the track of moving object and device - Google Patents
The image pickup method of the track of moving object and device Download PDFInfo
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- CN104113696B CN104113696B CN201410364726.3A CN201410364726A CN104113696B CN 104113696 B CN104113696 B CN 104113696B CN 201410364726 A CN201410364726 A CN 201410364726A CN 104113696 B CN104113696 B CN 104113696B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
Abstract
The invention discloses a kind of image pickup method of track of moving object, the image pickup method of the track of described moving object comprises the following steps: after shooting starts, the image of camera collection moving object; Based on described image, completion process is carried out to the movement locus of described moving object, obtain the first trace image or first track video of described moving object.The invention also discloses a kind of filming apparatus of track of moving object.The present invention can shorten the time of the shooting of the track of shooting moving object, realizes taking fast.
Description
Technical field
The present invention relates to camera technique field, particularly relate to image pickup method and the device of the track of moving object.
Background technology
Along with the continuous lifting of the stereographic hardware of the mobile device such as mobile phone, panel computer, the shoot function of mobile device is also more and more diversified, and the photographing request of user to mobile device is also more and more higher.
In the shooting of mobile device, the shooting of the movement locus of object is subject to liking of people gradually, as the shooting etc. of star rail, but, the motion of star is generally not obvious, need even longer time shooting in several hours, namely the shooting of star rail can not complete at short notice, can cause the overlong time that user takes like this, and due to long-time shooting, the impact of a lot of objective factor may be subject to, as weather or light interference etc., cause shooting effect undesirable.
Summary of the invention
The technical problem that the track that main purpose of the present invention is to solve some objects operation in prior art needs the long period to take.
For achieving the above object, the invention provides a kind of image pickup method of track of moving object, it is characterized in that, the image pickup method of the track of described moving object comprises the following steps:
After shooting starts, the image of camera collection moving object;
Based on described image, completion process is carried out to the movement locus of described moving object, obtain the first trace image or first track video of described moving object.
Preferably, describedly carry out completion process based on image to the movement locus of described moving object, the step of the first trace image or the first track video that obtain described moving object comprises:
Second trace image of moving object according to described Computer image genration or the second track video;
The track data of described moving object Future movement is calculated according to described second trace image or the second track video;
Described track data is added in described second trace image or the second track video, obtains described first trace image or the first track video.
Preferably, the described step calculating the track data of described moving object Future movement according to described second trace image or the second track video comprises:
Obtain the track of the circular arc in described second trace image or the second track video, obtain the track of a circle according to the trajectory calculation of described circular arc;
Track based on described circle obtains the star rail data of Future movement.
Preferably, the step of the second trace image of described moving object according to described Computer image genration comprises:
Successively present image and a upper composograph are carried out brightness to synthesize and process, finally to synthesize an image obtaining as described second trace image.
Preferably, the step of the second track video of described moving object according to described Computer image genration comprises:
Successively present image and a upper composograph are carried out brightness to synthesize and process, obtain all composographs;
Coded treatment is carried out to all described composographs;
Composograph after coded treatment is generated described second track video.
Preferably, the track of described moving object is star rail.
In addition, for achieving the above object, the present invention also provides a kind of filming apparatus of track of moving object, and the filming apparatus of the track of described moving object comprises:
Acquisition module, after starting for shooting, the image of camera collection moving object;
Completion module, for carrying out completion process based on described image to the movement locus of described moving object, obtains the first trace image or first track video of described moving object.
Preferably, described completion module comprises:
Generation unit, for the second trace image or second track video of moving object according to described Computer image genration;
Computing unit, for calculating the track data of described moving object Future movement according to described second trace image or the second track video;
Supplementary units, for being added in described second trace image or the second track video by described track data, obtains described first trace image or the first track video.
Preferably, described computing unit comprises:
Computation subunit, for obtaining the track of the circular arc in described second trace image or the second track video, obtains the track of a circle according to the trajectory calculation of described circular arc;
Obtain subelement, for obtaining the star rail data of Future movement based on the track of described circle.
Preferably,
When generating the second trace image of described moving object, described generation unit synthesizes process specifically for successively present image and a upper composograph being carried out brightness, finally to synthesize an image obtaining as described second trace image.
Preferably,
When generating the second track video of described moving object, described generation unit comprises:
Synthon unit, synthesizes process for successively present image and a upper composograph being carried out brightness, obtain all composographs;
Coded sub-units, for carrying out coded treatment to all described composographs;
Generate subelement, for the composograph after coded treatment is generated described second track video.
Preferably, the track of described moving object is star rail.
The image pickup method of the track of a kind of moving object of the present invention and device, the image of moving object as star is taken at short notice by camera, synthesis process is carried out to the image of shooting, obtain the less star rail image of motion amplitude or star rail video, the star rail image obtained by synthesis or star rail video are calculated, following track can be obtained, further by the track completion that calculates to the star rail image or star rail video of synthesis, obtain star rail image or the star rail video that obviously can embody star rail, the present invention can shorten the time of the shooting of the track of shooting moving object, realize shooting fast, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of image pickup method one embodiment of the track of moving object of the present invention;
Fig. 2 is the refinement schematic flow sheet of step S102 in Fig. 1;
Fig. 3 is the refinement schematic flow sheet of step S1021 in Fig. 2;
Fig. 4 is the high-level schematic functional block diagram of filming apparatus one embodiment of the track of moving object of the present invention;
Fig. 5 is the refinement high-level schematic functional block diagram of completion module in Fig. 4;
Fig. 6 is the refinement high-level schematic functional block diagram of generation unit module in Fig. 5.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of image pickup method of track of moving object, with reference to Fig. 1, in one embodiment, the image pickup method of the track of this moving object comprises:
Step S101, after shooting starts, the image of camera collection moving object;
In the present embodiment, moving object is such as star or the moon etc., can also be that other have the characteristics of motion and slower moving object of moving.In the present invention, the moving object of all embodiments all with star exemplarily.
In the present embodiment, can add a kind of star rail screening-mode for filming apparatus, user can select star rail screening-mode or common screening-mode to take, and in shooting process, camera can not be moved, and namely takes at same position.Wherein, star rail screening-mode is in conjunction with the requirement of star rail photographed scene, preset the parameters such as time for exposure, ISO, resolution, exposure compensating, noise reduction, the starry sky scene different according to overhead, different regions can also preset different parameters, select when taking for user.
When user have selected star rail screening-mode, press shooting button or after triggering virtual shooting button, namely the camera of filming apparatus starts to carry out the shooting of star rail, utilize camera to gather an image every Preset Time, namely this Preset Time is equivalent to the time for exposure, preferably 5 ~ 10S.The image of collection can be carried out buffer memory, so as in subsequent step from buffer memory reading images synthesize, also directly the image collected can be sent in subsequent step and carry out Images uniting.
Wherein, when carrying out starry sky shooting, automatically focus can be set to infinity.
The shooting of star rail needs to carry out taking trace image or the track video that just can obtain obviously embodying star rail for a long time.The camera photographing section image at short notice of the filming apparatus in the present embodiment, as only taken one minute or three minutes, realizes taking fast.
Step S102, carries out completion process based on described image to the movement locus of described moving object, obtains the first trace image or first track video of described moving object.
In the present embodiment, synthesis process is carried out to the camera photographing section image of filming apparatus, the less star rail image of radian or star rail video can be obtained.But this star rail image or star rail video are owing to taking at short notice, and motion amplitude is less, and therefore, human eye cannot see star rail, and namely the effect of star rail cannot embody.The star rail image that the present embodiment can obtain synthesis or star rail video are analyzed, and in the present embodiment, star rail is circular, therefore by synthesizing the calculating of the track of star rail image or the star rail video obtained, can obtain the track of star Future movement.
The present embodiment carries out further completion process according to the track of the Future movement calculated to the star rail image of synthesis or star rail video, can obtain star rail image or the star rail video that obviously can embody star rail.
In addition, the present embodiment is not limited to the shooting of star rail, can also be the shooting of other moving objects, as the track shooting etc. of the moon.
Compared with prior art, the present embodiment takes the image of moving object as star at short notice by camera, synthesis process is carried out to the image of shooting, obtain the less star rail image of motion amplitude or star rail video, the star rail image obtained by synthesis or star rail video are calculated, following track can be obtained, further by the track completion that calculates to the star rail image or star rail video of synthesis, obtain star rail image or the star rail video that obviously can embody star rail, the present embodiment can shorten the time of the shooting of the track of shooting moving object, realize shooting fast, improve Consumer's Experience.
In a preferred embodiment, as shown in Figure 2, on the basis of the embodiment of above-mentioned Fig. 1, above-mentioned steps S102 comprises:
Step S1021, the second trace image of moving object according to described Computer image genration or the second track video;
Step S1022, calculates the track data of described moving object Future movement according to described second trace image or the second track video;
Step S1023, adds to described track data in described second trace image or the second track video, obtains described first trace image or the first track video.
In the present embodiment, filming apparatus directly receives the image collected, or reading images carries out Images uniting from buffer memory, and resets buffer memory, empties data wherein, for follow-up data provides space.Preferably, filming apparatus carries out Images uniting according to current image and the monochrome information of image in the past, be specially and successively present image and a upper composograph carried out brightness and synthesize and process: at the same position of image, pixel brighter for present image is replaced pixel darker in upper one image synthesized.Because of camera continuous collecting image, therefore composograph is also lasting generation.Composograph is star rail image actually, not composograph display not star rail effect in the same time in the same time.
In the present embodiment, be the first image with the image taken first, the image next time taken is the second image, the like.At same position, by the first image and the second image pixel contrast, if the brightness of the second image is greater than the brightness of the first image, the pixel then extracting the second image replaces the pixel of the first image correspondence position, and first image after replacement is as an above-mentioned upper composograph.After shooting the 3rd image, the pixel of position brighter for the 3rd image, as present image, at same position, is substituted in a upper composograph by the 3rd image, by that analogy, using finally obtain image as second trace image of the present embodiment.The mode that this kind of bright spot is replaced, relative to the mode of bright spot superposition, can shoot the track of star motion more clearly, prevent other bright spot on star trackside limit from crossing bright and affecting star rail effect.Second track video then needs the coded treatment etc. composograph being carried out other.
In the present embodiment, in the second trace image or the second track video, one section of track that motion amplitude is less can be got.This section of track is circular arc, and filming apparatus, by calculating this section of circular arc, can obtain the circle at this section of circular arc place, and this circle is a complete star rail.
In a preferred embodiment, can get arbitrarily the string that on circular arc two are different, the intersection point of the perpendicular bisector of two strings is the center of circle of the circle at this circular arc place, by this center of circle, can determine this circle, namely determine star rail.The remainder of the circle of the present embodiment removing circular arc, is the track of star Future movement.The present embodiment can obtain the first trace image or the first track video according to the setting of user, namely by user, the length of the track in the first trace image or the first track video is set as above-mentioned track data, can be whole circle, also can be the circular arc that one section of human eye can obviously be found out.Track data is added in the second trace image or the second track video, through process such as other brightness, obtain the first trace image or the first track video.
In a preferred embodiment, as shown in Figure 3, on the basis of the embodiment of above-mentioned Fig. 2, in above-mentioned steps S1021, according to described Computer image genration, the step of the second track video of moving object comprises:
Step S10211, carries out brightness successively and synthesizes and process, obtain all composographs by present image and a upper composograph;
Step S10212, carries out coded treatment to all described composographs;
Step S10213, generates described second track video by the composograph after coded treatment.
In the present embodiment, successively present image and a upper composograph being carried out brightness, to synthesize the process processed identical with a upper embodiment, difference is, the present embodiment needs acquisition first image and other all composographs, and namely the first image and all composographs are all as the material of star rail video.
Concrete, the crawl composograph at composograph or interval can be captured continuously.Continuous crawl composograph, refers to that often synthesizing composograph just captures one and carry out coded treatment, that is, using all composographs of synthesizing all as the material of star rail video.It is that two thread synchronization are carried out that composograph and crawl composograph carry out coded treatment, owing to being take synthetic images to carry out coded treatment, therefore without the need to storing the composograph of synthesis.
Interval captures and refers to that optionally gripping portion composograph is as the material of star rail video.Interval mode can be manual interval mode or automatic spacing pattern.Wherein, manual interval mode, referring to and provides operation interface so that user's clicking trigger captures view data, as clicked screen, capturing the composograph (when having preview, namely current preview image) of current synthesis; Automatic spacing pattern, referring to the time interval crawl composograph according to presetting, namely capturing a composograph every Preset Time.
Capture the interval time (i.e. time for exposure) of being preferably longer than camera collection image interval time of composograph, avoid twice or repeatedly grab identical composograph, or reduce the size of the final video file synthesized.Such as can capture a composograph every 1 ~ 2Min, this composograph and current composograph, the star rail picture of current time.Then Video coding process is carried out to the composograph grabbed, be treated to the common video codings such as MPEG-4, H264, H263, VP8, in order to follow-up generating video file, the method that synthetic images carries out coded treatment is same as the prior art, does not repeat them here.
The present invention also provides a kind of filming apparatus of track of moving object, and as shown in Figure 4, the filming apparatus of the track of moving object comprises:
Acquisition module 101, after starting for shooting, the image of camera collection moving object;
In the present embodiment, moving object is such as star or the moon etc., can also be that other have the characteristics of motion and slower moving object of moving.In the present invention, the moving object of all embodiments all with star exemplarily.
In the present embodiment, can add a kind of star rail screening-mode for filming apparatus, user can select star rail screening-mode or common screening-mode to take, and in shooting process, camera can not be moved, and namely takes at same position.Wherein, star rail screening-mode is in conjunction with the requirement of star rail photographed scene, preset the parameters such as time for exposure, ISO, resolution, exposure compensating, noise reduction, the starry sky scene different according to overhead, different regions can also preset different parameters, select when taking for user.
When user have selected star rail screening-mode, press shooting button or after triggering virtual shooting button, namely the camera of filming apparatus starts to carry out the shooting of star rail, utilize camera to gather an image every Preset Time, namely this Preset Time is equivalent to the time for exposure, preferably 5 ~ 10S.The image of collection can be carried out buffer memory, so as in subsequent step from buffer memory reading images synthesize, also directly the image collected can be sent in subsequent step and carry out Images uniting.
Wherein, when carrying out starry sky shooting, automatically focus can be set to infinity.
The shooting of star rail needs to carry out taking trace image or the track video that just can obtain obviously embodying star rail for a long time.The camera photographing section image at short notice of the filming apparatus in the present embodiment, as only taken one minute or three minutes, realizes taking fast.
Completion module 102, for carrying out completion process based on described image to the movement locus of described moving object, obtains the first trace image or first track video of described moving object.
In the present embodiment, synthesis process is carried out to the camera photographing section image of filming apparatus, the less star rail image of radian or star rail video can be obtained.But this star rail image or star rail video are owing to taking at short notice, and motion amplitude is less, and therefore, human eye cannot see star rail, and namely the effect of star rail cannot embody.The star rail image that the present embodiment can obtain synthesis or star rail video are analyzed, and in the present embodiment, star rail is circular, therefore by synthesizing the calculating of the track of star rail image or the star rail video obtained, can obtain the track of star Future movement.
The present embodiment carries out further completion process according to the track of the Future movement calculated to the star rail image of synthesis or star rail video, can obtain star rail image or the star rail video that obviously can embody star rail.
In addition, the present embodiment is not limited to the shooting of star rail, can also be the shooting of other moving objects, as the track shooting etc. of the moon.
In a preferred embodiment, as shown in Figure 5, on the basis of the embodiment of above-mentioned Fig. 4, completion module 102 comprises:
Generation unit 1021, for the second trace image or second track video of moving object according to described Computer image genration;
Computing unit 1022, for calculating the track data of described moving object Future movement according to described second trace image or the second track video;
Supplementary units 1023, for being added in described second trace image or the second track video by described track data, obtains described first trace image or the first track video.
In the present embodiment, filming apparatus directly receives the image collected, or reading images carries out Images uniting from buffer memory, and resets buffer memory, empties data wherein, for follow-up data provides space.Preferably, filming apparatus carries out Images uniting according to current image and the monochrome information of image in the past, be specially and successively present image and a upper composograph carried out brightness and synthesize and process: at the same position of image, pixel brighter for present image is replaced pixel darker in upper one image synthesized.Because of camera continuous collecting image, therefore composograph is also lasting generation.Composograph is star rail image actually, not composograph display not star rail effect in the same time in the same time.
In the present embodiment, be the first image with the image taken first, the image next time taken is the second image, the like.At same position, by the first image and the second image pixel contrast, if the brightness of the second image is greater than the brightness of the first image, the pixel then extracting the second image replaces the pixel of the first image correspondence position, and first image after replacement is as an above-mentioned upper composograph.After shooting the 3rd image, the pixel of position brighter for the 3rd image, as present image, at same position, is substituted in a upper composograph by the 3rd image, by that analogy, using finally obtain image as second trace image of the present embodiment.The mode that this kind of bright spot is replaced, relative to the mode of bright spot superposition, can shoot the track of star motion more clearly, prevent other bright spot on star trackside limit from crossing bright and affecting star rail effect.Second track video then needs the coded treatment etc. composograph being carried out other.
In the present embodiment, in the second trace image or the second track video, one section of track that motion amplitude is less can be got.This section of track is circular arc, and filming apparatus, by calculating this section of circular arc, can obtain the circle at this section of circular arc place, and this circle is a complete star rail.
In a preferred embodiment, can get arbitrarily the string that on circular arc two are different, the intersection point of the perpendicular bisector of two strings is the center of circle of the circle at this circular arc place, by this center of circle, can determine this circle, namely determine star rail.The remainder of the circle of the present embodiment removing circular arc, is the track of star Future movement.The present embodiment can obtain the first trace image or the first track video according to the setting of user, namely by user, the length of the track in the first trace image or the first track video is set as above-mentioned track data, can be whole circle, also can be the circular arc that one section of human eye can obviously be found out.Track data is added in the second trace image or the second track video, through process such as other brightness, obtain the first trace image or the first track video.
In a preferred embodiment, as shown in Figure 6, on the basis of the embodiment of above-mentioned Fig. 5, when generating the second track video of described moving object, described generation unit 1021 comprises:
Synthon unit 10211, synthesizes process for successively present image and a upper composograph being carried out brightness, obtain all composographs;
Coded sub-units 10212, for carrying out coded treatment to all described composographs;
Generate subelement 10213, for the composograph after coded treatment is generated described second track video.
In the present embodiment, successively present image and a upper composograph being carried out brightness, to synthesize the process processed identical with a upper embodiment, difference is, the present embodiment needs acquisition first image and other all composographs, and namely the first image and all composographs are all as the material of star rail video.
Concrete, the crawl composograph at composograph or interval can be captured continuously.Continuous crawl composograph, refers to that often synthesizing composograph just captures one and carry out coded treatment, that is, using all composographs of synthesizing all as the material of star rail video.It is that two thread synchronization are carried out that composograph and crawl composograph carry out coded treatment, owing to being take synthetic images to carry out coded treatment, therefore without the need to storing the composograph of synthesis.
Interval captures and refers to that optionally gripping portion composograph is as the material of star rail video.Interval mode can be manual interval mode or automatic spacing pattern.Wherein, manual interval mode, referring to and provides operation interface so that user's clicking trigger captures view data, as clicked screen, capturing the composograph (when having preview, namely current preview image) of current synthesis; Automatic spacing pattern, referring to the time interval crawl composograph according to presetting, namely capturing a composograph every Preset Time.
Capture the interval time (i.e. time for exposure) of being preferably longer than camera collection image interval time of composograph, avoid twice or repeatedly grab identical composograph, or reduce the size of the final video file synthesized.Such as can capture a composograph every 1 ~ 2Min, this composograph and current composograph, the star rail picture of current time.Then Video coding process is carried out to the composograph grabbed, be treated to the common video codings such as MPEG-4, H264, H263, VP8, in order to follow-up generating video file, the method that synthetic images carries out coded treatment is same as the prior art, does not repeat them here.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an image pickup method for the track of moving object, is characterized in that, the image pickup method of the track of described moving object comprises the following steps:
After shooting starts, the image of camera collection moving object;
Based on described image, completion process is carried out to the movement locus of described moving object, obtain the first trace image or first track video of described moving object;
Describedly carry out completion process based on described image to the movement locus of described moving object, the first trace image or the first track video that obtain described moving object comprise:
Second trace image of moving object according to described Computer image genration or the second track video;
The track data of described moving object Future movement is calculated according to described second trace image or the second track video;
Described track data is added in described second trace image or the second track video, obtains described first trace image or the first track video.
2. the image pickup method of the track of moving object as claimed in claim 1, it is characterized in that, the described step calculating the track data of described moving object Future movement according to described second trace image or the second track video comprises:
Obtain the track of the circular arc in described second trace image or the second track video, obtain the track of a circle according to the trajectory calculation of described circular arc;
Track based on described circle obtains the star rail data of Future movement.
3. the image pickup method of the track of moving object as claimed in claim 1, it is characterized in that, the step of the second trace image of described moving object according to described Computer image genration comprises:
Successively present image and a upper composograph are carried out brightness to synthesize and process, finally to synthesize an image obtaining as described second trace image.
4. the image pickup method of the track of moving object as claimed in claim 1, it is characterized in that, the step of the second track video of described moving object according to described Computer image genration comprises:
Successively present image and a upper composograph are carried out brightness to synthesize and process, obtain all composographs;
Coded treatment is carried out to all described composographs;
Composograph after coded treatment is generated described second track video.
5. the image pickup method of the track of the moving object as described in any one of Claims 1-4, is characterized in that, the track of described moving object is star rail.
6. a filming apparatus for the track of moving object, is characterized in that, the filming apparatus of the track of described moving object comprises:
Acquisition module, after starting for shooting, the image of camera collection moving object;
Completion module, for carrying out completion process based on described image to the movement locus of described moving object, obtains the first trace image or first track video of described moving object;
Described completion module comprises:
Generation unit, for the second trace image or second track video of moving object according to described Computer image genration;
Computing unit, for calculating the track data of described moving object Future movement according to described second trace image or the second track video;
Supplementary units, for being added in described second trace image or the second track video by described track data, obtains described first trace image or the first track video.
7. the filming apparatus of the track of moving object as claimed in claim 6, it is characterized in that, described computing unit comprises:
Computation subunit, for obtaining the track of the circular arc in described second trace image or the second track video, obtains the track of a circle according to the trajectory calculation of described circular arc;
Obtain subelement, for obtaining the star rail data of Future movement based on the track of described circle.
8. the filming apparatus of the track of moving object as claimed in claim 6, is characterized in that,
When generating the second trace image of described moving object, described generation unit synthesizes process specifically for successively present image and a upper composograph being carried out brightness, finally to synthesize an image obtaining as described second trace image.
9. the filming apparatus of the track of moving object as claimed in claim 6, is characterized in that,
When generating the second track video of described moving object, described generation unit comprises:
Synthon unit, synthesizes process for successively present image and a upper composograph being carried out brightness, obtain all composographs;
Coded sub-units, for carrying out coded treatment to all described composographs;
Generate subelement, for the composograph after coded treatment is generated described second track video.
10. the filming apparatus of the track of the moving object as described in any one of claim 6 to 9, is characterized in that, the track of described moving object is star rail.
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CN104113696B (en) * | 2014-07-28 | 2016-03-23 | 深圳市中兴移动通信有限公司 | The image pickup method of the track of moving object and device |
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CN112435312B (en) * | 2020-09-04 | 2023-04-11 | 上海哔哩哔哩科技有限公司 | Motion trajectory generation method and device, computer equipment and readable storage medium |
CN113114933A (en) * | 2021-03-30 | 2021-07-13 | 维沃移动通信有限公司 | Image shooting method and device, electronic equipment and readable storage medium |
CN114500882B (en) * | 2022-01-24 | 2023-12-15 | 中国科学院烟台海岸带研究所 | Method for measuring behavioral parameters of sports animal |
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CN104113696B (en) * | 2014-07-28 | 2016-03-23 | 深圳市中兴移动通信有限公司 | The image pickup method of the track of moving object and device |
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