CN105657243A - Anti-jitter delay photographing method and device - Google Patents
Anti-jitter delay photographing method and device Download PDFInfo
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- CN105657243A CN105657243A CN201510756793.4A CN201510756793A CN105657243A CN 105657243 A CN105657243 A CN 105657243A CN 201510756793 A CN201510756793 A CN 201510756793A CN 105657243 A CN105657243 A CN 105657243A
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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
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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
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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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
- H04N23/80—Camera processing pipelines; Components thereof
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Abstract
The invention relates to an anti-jitter delay photographing method and device. The method comprises the following steps: recording a video, and periodically and dynamically adjusting the exposure time, the photosensitive speed ISO and the light input of an electronic aperture in a video recording process to obtain a plurality of frame images that are exposed under different parameters within various periodic times; synthesizing the frame images that are exposed under different parameters within the various periodic times to form a frame image corresponding to each periodic time; and combining the frame images synthesized within the periodic times to generate a play video. By implementing the anti-jitter delay photographing method provided by the embodiment of the invention, anti-jitter processing can be completed in the video recording process, so that the data processing is simple and efficient; and meanwhile, after the anti-jitter processing, the video image still keeps the size of the originally recorded frame image.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to time-lapse photography method and the device of a kind of stabilization.
Background technology
The time-lapse photography scheme based on HyperLapse technology of current main-stream, when carrying out video record, is depend on the technology that two field picture carries out synthetic mesophase region, cutting edge by the sensor such as gyrostat and acceleration to realize the process of video stabilization. The problem of this kind of scheme is, the final video frame images generated is less than the Preview image size of actual recording; Recording generate after terminating the short-sighted frequency of time-lapse photography also need to carry out a large amount of aftertreatment calculate realize stabilization and time compression, inefficiency; Simultaneously too much frame of taking out causes the waste in real data.
Summary of the invention
The time-lapse photography method of stabilization provided by the invention and device, can complete stabilization process in recorded video process, and data processing is simply efficient; Meanwhile, after completing stabilization process, video image still keeps the two field picture size of original recorded.
For achieving the above object, the present invention provides a kind of time-lapse photography method of stabilization, comprise: recorded video, and in recorded video process periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity, thus in obtaining each cycle time, multiple have the two field picture of exposure under different parameters; Images uniting is carried out, to form a two field picture corresponding in each cycle time for the two field picture that in each cycle time, multiple expose under having different parameters; By the two field picture of synthesis in each cycle time temporally sequential combination generation broadcasting video.
Present invention also offers the time-lapse photography device of a kind of stabilization, comprise: video record module, for recorded video, and in recorded video process periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity, thus in obtaining each cycle time, multiple have the two field picture of exposure under different parameters; Image synthesis unit, for carrying out Images uniting for the two field picture that in each cycle time, multiple expose under having different parameters, to form a two field picture corresponding in each cycle time; Play video and form module, for by the two field picture of synthesis in each cycle time temporally sequential combination generation broadcasting video.
The time-lapse photography method of stabilization provided by the invention and device, by periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity in recorded video process, thus the two field picture that in obtaining each cycle time, multiple expose under having different parameters;The two field picture exposed under then these have different parameters carries out Images uniting, forms a two field picture corresponding in each cycle time; Finally, utilize the two field picture of synthesis to generate by its sequential combination time and play video, by such process, namely remain the picture of original recorded two field picture, make use of again the image advantage of frame losing image, time picture possess smoothness, stabilization.
Accompanying drawing explanation
Fig. 1 is the schema of a time-lapse photography method embodiment of stabilization provided by the invention;
Fig. 2 is the structure block diagram of a time-lapse photography device embodiment of stabilization provided by the invention.
Description of reference numerals: 210-video record module, 220-image synthesis unit, 230-play video and form module.
Embodiment
The embodiment of the present invention, by recording the two field picture of different exposure time, film speed ISO and electric aperture light-inletting quantity, then periodically these two field pictures are carried out and synthesis process, generate a two field picture, then undertaken being combined to form broadcasting video by the two field picture of each periods synthesizer.
Below in conjunction with accompanying drawing, the time-lapse photography method of the stabilization in the embodiment of the present invention and device are described in detail.
Embodiment one
Fig. 1 is the schema of a time-lapse photography method embodiment of stabilization provided by the invention, the executive agent of the method can for be configured with camera function such as the terminal such as mobile phone, ipad, or integrated device on these terminals or chip. As shown in Figure 1, for terminal, the time-lapse photography method of this stabilization comprises the steps:
S110, recorded video, and in recorded video process periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity, thus in obtaining each cycle time, multiple have the two field picture of exposure under different parameters.
Existing terminal such as mobile phone, ipad etc. are integrated with camera function, it is possible to recorded video. Mainly for existing terminal recorded video and in the process of delta frame image in the present embodiment, set up periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity, thus the two field picture that in obtaining each cycle time, multiple expose under having different parameters.
Specifically, when being recorded a video by fixed time period by the camera function module of hardware or software control terminal, by predetermined manner dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity within each time cycle, thus generate the two field picture with different exposure time, film speed ISO and electric aperture light-inletting quantity of multiple.
Such as, it is possible within 1/15 second, as a periods of events, by dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity in a periods of events, thus generate such as following 4 two field pictures with different parameters feature:
Time shutter is the shake image under 1/30 second (1/2 cycle), i.e. the first image, and it is longer that its shake reason is mainly the time shutter;
Time shutter is do not shake but darker image under 1/90 second (1/6 cycle), i.e. the 2nd image, and its darker reason is the light quantity decline reducing by half suddenly the time shutter and causing;
Time shutter is the brighter image do not shaken under 1/90 second (1/6 cycle) and regulate ISO, i.e. the 3rd image, and image shake is more weak and brightness is higher, but it is a little also more to make an uproar;
Time shutter is the image do not shaken under 1/90 second (1/6 cycle) and regulate aperture light-inletting quantity, i.e. the 4th image, and image shake is more weak, and the depth of field is relatively big, and the image at two field picture edge is more clear, but halation may occurs or cross the phenomenons such as exposure.
S120, carries out Images uniting for the two field picture that in each cycle time, multiple expose under having different parameters, to form a two field picture corresponding in each cycle time.
Based on the feature of the two field picture of exposure under different parameters in each cycle recorded, choose the feature parameter to the image effect that the image after synthesis has had and carry out Images uniting, thus form a vision effect preferably two field picture in corresponding each cycle time.
Such as, for 4 two field pictures in above-mentioned example, can two field picture (such as the first image) that in each cycle, the time shutter is the longest as negative, and carry out the contour edge Edge contrast of negative image by standard of the darkest two field picture (the 2nd image) of brightness, taking regulate ISO become big after the brightness value of two field picture (such as the 3rd image) carry out the brightness regulation value of negative image into standard, taking regulate electric aperture light-inletting quantity become big after two field picture (such as the 4th image) negative image carried out the adjustment of the depth of field into standard, the image content being the edge of image distance focus is more clear. finally, by the two field picture of above-mentioned 4 different characteristics is carried out Images uniting by the feature of image, forming a two field picture corresponding in each cycle time, this two field picture is integrated with the feature of adjacent data, thus achieves the effect of stabilization.
S130, by the two field picture of synthesis in each cycle time temporally sequential combination generation broadcasting video.
In fact, when the process of above-mentioned Images uniting can also be regarded as, two field picture takes out the process of frame, i.e. each record cycle (multiple two field pictures can be recorded) correspondence synthesis two field picture, therefore, by the temporally sequential combination of the two field picture after these synthesis, namely the frame image data after synthesis is carried out time compression process, broadcasting video can be generated, and this broadcasting video is the broadcasting video of time-lapse photography generation.
Unlike the prior art, in the time-lapse photography of the present embodiment, the treating processes of stabilization synchronously carries out when video record, it is to increase counting yield decrease aftertreatment data volume simultaneously. Simultaneously, the treating processes of the stabilization in this scheme has used the data of the two field picture finally abandoned, the scheme that process realizes stabilization is cut relative to prior art only carries out for the two field picture retained cutting out, more can retain the continuity of the content of original video, the two field picture that simultaneously can also guarantee to record forms, with final, the two field picture playing video, and its image size and picture are consistent.
In embody rule scene, it is possible to the frame image sequence of above-mentioned final synthesis is temporally taken out frame and synthesis process for two times along carrying out, thus generates the broadcasting video with different frame broadcasting rate.
The time-lapse photography method of the stabilization that the embodiment of the present invention provides, by periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity in recorded video process, thus the two field picture that in obtaining each cycle time, multiple expose under having different parameters; The two field picture exposed under then these have different parameters carries out Images uniting, forms a two field picture corresponding in each cycle time; Finally, utilize the two field picture of synthesis to generate by its sequential combination time and play video, namely remain the picture of original recorded two field picture, make use of again the image advantage of frame losing image, time picture possess smoothness, stabilization.
Embodiment two
As shown in Figure 2, it is the structure block diagram of a time-lapse photography device embodiment of stabilization provided by the invention, can be used for the method steps performed as shown in Figure 1, comprising:
Video record module 210, for recorded video, and in recorded video process periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity, thus in obtaining each cycle time, multiple have the two field picture of exposure under different parameters;Image synthesis unit 220, for carrying out Images uniting for the two field picture that in each cycle time, multiple expose under having different parameters, to form a two field picture corresponding in each cycle time; Play video and form module 230, for by the two field picture of synthesis in each cycle time temporally sequential combination generation broadcasting video.
Further, above-mentioned video record module 210 specifically can be used for, dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity in each record cycle, thus obtains 4 two field pictures exposed under having different parameters in each cycle time:
Time shutter is the first image under 1/2 cycle;
Time shutter is the 2nd image under 1/6 cycle;
Time shutter is regulate ISO to become the 3rd image after greatly under 1/6 cycle;
Time shutter is lower joint electric aperture light-inletting quantity 1/6 cycle to become the 4th image after greatly.
Further, above-mentioned image synthesis unit 220 can be specifically for, the two field picture that time shutter is the longest in each cycle is as negative, and carry out contour edge sharpening by standard of the darkest two field picture of brightness, taking regulate ISO become big after the brightness of two field picture carry out brightness regulation into standard, taking regulate electric aperture light-inletting quantity become big after two field picture carry out depth of field adjustment into standard, it is achieved the two field picture of exposure under different parameters is carried out Images uniting, forms a two field picture corresponding in each cycle time.
Further, above-mentioned broadcasting video forms module can be specifically for, by two field picture corresponding in each cycle time temporally order carry out taking out frame process, to generate the broadcasting video with different frame broadcasting rate.
The time-lapse photography device that the embodiment of the present invention provides, by periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity in recorded video process, thus the two field picture that in obtaining each cycle time, multiple expose under having different parameters; The two field picture exposed under then these have different parameters carries out Images uniting, forms a two field picture corresponding in each cycle time; Finally, utilize the two field picture of synthesis to generate by its sequential combination time and play video, namely remain the picture of original recorded two field picture, make use of again the image advantage of frame losing image, time picture possess smoothness, stabilization.
The above; it is only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any it is familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (8)
1. the time-lapse photography method of a stabilization, it is characterised in that, described method comprises:
Recorded video, and in recorded video process periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity, thus in obtaining each cycle time, multiple have the two field picture of exposure under different parameters;
Images uniting is carried out, to form a two field picture corresponding in each cycle time for the two field picture that in each cycle time, multiple expose under having different parameters;
By the two field picture of synthesis in each cycle time temporally sequential combination generation broadcasting video.
2. method according to claim 1, it is characterized in that, described recorded video, and in recorded video process periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity, thus in obtaining each cycle time, multiple have the two field picture of exposure under different parameters and comprise:
Dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity in each record cycle, thus obtain 4 two field pictures exposed under there is different parameters in each cycle time:
Time shutter is the first image under 1/2 cycle;
Time shutter is the 2nd image under 1/6 cycle;
Time shutter is regulate ISO to become the 3rd image after greatly under 1/6 cycle;
Time shutter is lower joint electric aperture light-inletting quantity 1/6 cycle to become the 4th image after greatly.
3. method according to claim 1 and 2, it is characterised in that, described carry out Images uniting for the two field picture that in each cycle time, multiple have an exposure under different parameters, comprise to form a two field picture corresponding in each cycle time:
The two field picture that time shutter is the longest in each cycle is as negative, and carry out contour edge sharpening by standard of the darkest two field picture of brightness, taking regulate ISO become big after the brightness of two field picture carry out brightness regulation into standard, taking regulate electric aperture light-inletting quantity become big after two field picture carry out depth of field adjustment into standard, realize the two field picture to exposure under different parameters and carry out Images uniting, form a two field picture corresponding in each cycle time.
4. method according to any one of claim 1-3, it is characterised in that, described will synthesis in each cycle time two field picture temporally sequential combination generate and play video.
Two field picture corresponding in each cycle time temporally sequentially carries out taking out frame process, to generate the broadcasting video with different frame broadcasting rate.
5. the time-lapse photography device of a stabilization, it is characterised in that, described device comprises:
Video record module, for recorded video, and in recorded video process periodically dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity, thus in obtaining each cycle time, multiple have the two field picture of exposure under different parameters;
Image synthesis unit, for carrying out Images uniting for the two field picture that in each cycle time, multiple expose under having different parameters, to form a two field picture corresponding in each cycle time;
Play video and form module, for by the two field picture of synthesis in each cycle time temporally sequential combination generation broadcasting video.
6. device according to claim 5, it is characterised in that, described video record module specifically for,
Dynamic adjustments time shutter, film speed ISO and electric aperture light-inletting quantity in each record cycle, thus obtain 4 two field pictures exposed under there is different parameters in each cycle time:
Time shutter is the first image under 1/2 cycle;
Time shutter is the 2nd image under 1/6 cycle;
Time shutter is regulate ISO to become the 3rd image after greatly under 1/6 cycle;
Time shutter is lower joint electric aperture light-inletting quantity 1/6 cycle to become the 4th image after greatly.
7. device according to claim 6, it is characterised in that, described image synthesis unit specifically for,
The two field picture that time shutter is the longest in each cycle is as negative, and carry out contour edge sharpening by standard of the darkest two field picture of brightness, taking regulate ISO become big after the brightness of two field picture carry out brightness regulation into standard, taking regulate electric aperture light-inletting quantity become big after two field picture carry out depth of field adjustment into standard, realize the two field picture to exposure under different parameters and carry out Images uniting, form a two field picture corresponding in each cycle time.
8. device according to any one of claim 5-7, it is characterised in that, described broadcasting video formed module specifically for,
Two field picture corresponding in each cycle time temporally sequentially carries out taking out frame process, to generate the broadcasting video with different frame broadcasting rate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510756793.4A CN105657243A (en) | 2015-11-08 | 2015-11-08 | Anti-jitter delay photographing method and device |
| PCT/CN2016/089042 WO2017076050A1 (en) | 2015-11-08 | 2016-07-07 | Anti-jitter time-lapse photography method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510756793.4A CN105657243A (en) | 2015-11-08 | 2015-11-08 | Anti-jitter delay photographing method and device |
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Cited By (8)
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| WO2017076050A1 (en) * | 2015-11-08 | 2017-05-11 | 乐视控股（北京）有限公司 | Anti-jitter time-lapse photography method and device |
| CN109998447A (en) * | 2019-02-20 | 2019-07-12 | 西安蓝极医疗电子科技有限公司 | It is a kind of in electronic imaging system to the filtering method of visible light lasers |
| CN110248111A (en) * | 2018-04-28 | 2019-09-17 | Oppo广东移动通信有限公司 | Control method, apparatus, electronic equipment and the computer readable storage medium of shooting |
| CN111294509A (en) * | 2020-01-22 | 2020-06-16 | Oppo广东移动通信有限公司 | Video shooting method, device, terminal and storage medium |
| CN111917995A (en) * | 2020-06-29 | 2020-11-10 | 北京迈格威科技有限公司 | Image processing method, image processing device, electronic equipment and storage medium |
| WO2021218536A1 (en) * | 2020-04-28 | 2021-11-04 | 荣耀终端有限公司 | High-dynamic range image synthesis method and electronic device |
| CN114514738A (en) * | 2020-11-26 | 2022-05-17 | 深圳市大疆创新科技有限公司 | Time-lapse shooting method and device, and time-lapse shooting video generation method and device |
| WO2022256978A1 (en) * | 2021-06-07 | 2022-12-15 | 深圳市大疆创新科技有限公司 | Time-lapse photographing method and apparatus, and handheld device |
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| WO2017076050A1 (en) * | 2015-11-08 | 2017-05-11 | 乐视控股（北京）有限公司 | Anti-jitter time-lapse photography method and device |
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| CN114514738A (en) * | 2020-11-26 | 2022-05-17 | 深圳市大疆创新科技有限公司 | Time-lapse shooting method and device, and time-lapse shooting video generation method and device |
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| WO2022256978A1 (en) * | 2021-06-07 | 2022-12-15 | 深圳市大疆创新科技有限公司 | Time-lapse photographing method and apparatus, and handheld device |
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