CN111526281B - Method and device for calculating time length of delayed photographic image - Google Patents
Method and device for calculating time length of delayed photographic image Download PDFInfo
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- CN111526281B CN111526281B CN202010220295.9A CN202010220295A CN111526281B CN 111526281 B CN111526281 B CN 111526281B CN 202010220295 A CN202010220295 A CN 202010220295A CN 111526281 B CN111526281 B CN 111526281B
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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
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
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- H—ELECTRICITY
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- 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
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
- H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
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- 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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- H04N23/95—Computational photography systems, e.g. light-field imaging systems
- H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
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Abstract
The invention relates to the technical field of delayed photography, and particularly discloses a method and a device for calculating the time length of a delayed photographic image, wherein the method comprises the following steps: calculating a distance value from the first key point to the second key point; acquiring an image setting frame value; calculating a starting interval distance between positions where the camera shoots the first picture and shoots the second picture and an ending interval distance between positions where the camera shoots the last but one picture and shoots the last but one picture; calculating the total number of pictures shot by the camera from the first key point to the second key point in a delayed manner; and calculating the image duration. The invention calculates the total number of the pictures shot by the time-delay photography and the time length of the images which can be synthesized by the time-delay photography in advance, so that the photographer can adjust the first key point and the second key point according to the calculated image time length, finally adjust the image time length which meets the requirement, and then carry out the time-delay photography to achieve one-step achievement, thereby greatly saving the time and the energy of the photographer.
Description
Technical Field
The invention relates to the technical field of delayed photography, in particular to a method and a device for calculating time length of a delayed photographic image.
Background
Time-lapse photography is also called Time-lapse photography and Time-lapse video recording, and Time-lapse photo graphics is an image-taking technology with Time compression, and is also called Time-lapse video recording at present. The system takes a group of photos or videos, and compresses the processes of minutes, hours or even days and years in a short time to play in a video mode through photo series connection or video frame extraction at a later stage. In a time-lapse video, the process of slowly changing objects or scenes is compressed to a short time, and a wonderful and wonderful scene which cannot be perceived by naked eyes at ordinary times is presented. The delayed photography can be regarded as a process opposite to the high-speed photography, and is generally applied to the photography of subjects such as urban scenery, natural scenery, astronomical phenomena, urban life, building manufacturing, biological evolution and the like.
In the existing delayed photography technology, a worker can calculate the image playing time length according to the image playing requirement only after the delayed photography is finished, if the image playing time length does not meet the preset requirement, the delayed photography parameter needs to be reset to carry out the delayed photography again, and the set parameter is generally adjusted according to experience, so that the requirement can be met after the photography is carried out for many times. If the time length of the delayed photography is several minutes or one hour, the staff can not obviously feel the waste of time, but for the delayed photography of several days or even one month, if the image time length can not be predicted in advance, manpower and material resources are wasted, and sometimes, the photography opportunity can not be provided within one year due to season change.
Therefore, designing a technical solution capable of knowing the time length of the delayed image is an urgent problem to be solved at the present stage.
Disclosure of Invention
The invention provides a method and a device for calculating time length of a delayed photographic image, aiming at the technical problems in the prior art.
A method for calculating the time length of a delayed photographic image comprises the following steps:
acquiring first position information and a first movement speed of a first key point;
acquiring second position information and a second movement speed of a second key point;
calculating a distance value from the first key point to the second key point according to the first position information and the second position information;
acquiring an image setting frame value;
calculating a starting interval distance between positions where the camera shoots the first picture and shoots the second picture and an ending interval distance between positions where the camera shoots the second picture and shoots the first picture according to the image setting frame value, the first moving speed and the second moving speed;
calculating the total number of pictures shot by the camera from the first key point to the second key point in a delayed manner according to the starting interval distance and the ending interval distance;
calculating the image duration according to the total number of the photos and the set frame number value of the image;
and displaying the image duration.
Further, the method further comprises:
acquiring an exposure time set value and a delay time set value of delay photography of a camera;
calculating the total time length of the delayed photography according to the exposure time set value, the delay time set value and the total number of the photos;
and displaying the total shooting time length and the image time length together.
Further, according to the image setting frame value, the first movement speed and the second movement speed, calculating a starting interval distance between positions where the camera takes the first picture and the second picture and an ending interval distance between positions where the camera takes the second last picture and the first last picture, including:
the image is represented by a set frame number x and a first motion speed VstartExpressing the second movement velocity as VendThe starting separation distance is denoted as SstartThe end separation distance is denoted Send;
Calculating the starting interval distance S between the positions of the first picture and the second picture taken by the time-delay camerastartAnd S isstart=x/Vstart;
Calculating the ending interval distance S between the positions of the last but one picture taken by the time-delay camera and the last but one picture taken by the time-delay cameraendAnd S isend=x/Vend。
Further, calculating the total number of pictures shot by the camera from the first key point to the second key point in a delayed manner according to the starting interval distance and the ending interval distance, and the method comprises the following steps:
the total number of photos is represented as n, and the distance value from the first key point to the second key point is represented as Stotal;
further, the image duration is calculated by the total number of photos and the image setting frame number, and the method comprises the following steps:
representing the image duration as t;
and calculating the image time length t, wherein t is n/x.
Further, calculating the total time length of the delayed photography according to the exposure time set value, the delay time set value and the total number of the photos comprises the following steps:
expressing the exposure time setting value as texpThe delay time is denoted as tdelayThe total time length of the time-lapse photography is denoted as TTP;
Calculating the total time length T of the delayed photographyTP,TTP=n×(texp+tdelay)。
Further, the method further comprises: and calculating the acceleration of the camera motion according to the first motion speed, the second motion speed, the set frame number value of the images and the total number of the photos, and displaying the acceleration together with the total shooting duration and the image duration.
Further, calculating the acceleration of the camera motion according to the first motion speed, the second motion speed and the total number of photos includes:
the acceleration is denoted as a;
the invention also provides a device for calculating the time length of the delayed photographic image, which comprises an information acquisition module, a distance value calculation module, a total number of photos calculation module, an image time length calculation module and a display module, wherein:
the information acquisition module is connected with the distance value calculation module and the image duration calculation module; the image processing device is used for acquiring first position information and a first movement speed of a first key point, acquiring second position information and a second movement speed of a second key point and acquiring an image setting frame value;
the distance calculation module is connected with the information acquisition module and the total number of photos calculation module; the camera is used for calculating a distance value between a first key point and a second key point according to the first position information and the second position information, and calculating a starting interval distance between positions where the camera shoots a first picture and shoots a second picture and an ending interval distance between positions where the camera shoots a last-but-one picture and shoots a last-but-one picture according to an image set frame value, a first motion speed and a second motion speed;
the total number of photos calculating module is connected with the distance calculating module and the image duration calculating module and is used for calculating the total number of photos shot by the camera from the first key point to the second key point in a delayed photographing mode according to the starting interval distance and the ending interval distance;
the image duration calculation module is connected with the information acquisition module, the total number of photos calculation module and the display module and is used for calculating the image duration according to the total number of photos and the set number of frames of the image;
and the display module is connected with the image duration calculation module and is used for displaying the image duration.
Furthermore, the device also comprises a delay shooting total duration calculation module, wherein the shooting total duration calculation module is connected with the information acquisition module, the total number of photos calculation module and the display module; wherein:
the information acquisition module is used for acquiring an exposure time set value of the camera and a delay time set value of delay shooting;
the total photographing duration calculation module is used for calculating the total delay photographing duration according to the exposure time set value, the delay time set value and the total number of photos;
and the display module is used for displaying the total shooting time and the image time together.
According to the method and the device for calculating the time length of the delayed photography image, the total number of the pictures which can be shot by the delayed photography and the time length of the image which can be synthesized by the delayed photography are calculated in advance before the camera carries out the delayed photography process, and are displayed, so that a photographer can adjust the first key point and the second key point according to the calculated image time length, finally, after the image time length which meets the requirement is adjusted, the delayed photography can be carried out in one step, and the time and the energy of the photographer are greatly saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flowchart illustrating a method for calculating a duration of a delayed video image according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for calculating a duration of a delayed action image according to a second embodiment of the present invention;
FIG. 3 is a flowchart illustrating a method for calculating a duration of a delayed action image according to a third embodiment of the present invention;
FIG. 4 is a structural assembly diagram of an apparatus according to an embodiment of the present invention;
FIG. 5 is a structural assembly diagram of an apparatus according to another embodiment of the present invention;
fig. 6 is a structural composition diagram of an electronic device according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The method for calculating the time length of the delayed photographic image according to the embodiment of the invention is applied to a slide rail device, for example, a portable camera slide rail device disclosed in patent application No. 201820196204.0, and a person skilled in the art can also realize the method by combining other rail type devices. When the time-delay photography is carried out, the motor rotates, and the camera arranged on the slide rail device moves and photographs through belt transmission.
As shown in fig. 1, the method for calculating the duration of a delayed image according to an embodiment of the present invention includes the following steps:
step S101: first position information and a first movement speed of the first key point are obtained.
The first key point is located on the slide rail, and the first movement speed is represented as VstartFor example, the first position information of the first key point is 100mm, and the first moving speed is 8 mm/s. And setting one end of the slide rail as an original point, wherein the distance between the first key point and the original point is 100mm, and the speed of the camera when moving through the first key point is 8 mm/s.
Step S102: and acquiring second position information and a second movement speed of the second key point.
The second key point is also located on the slide rail, and the second movement speed is represented as VendFor example, the second position information of the second key point is 300mm, the second motion speed is 24mm/s, that is, the second key point is 300mm away from the origin, and the speed of the camera moving through the second key point is 24 mm/s.
Step S103: and calculating the distance value from the first key point to the second key point according to the first position information and the second position information.
The first position information and the second position information are subtracted to obtain the distance value of the step. Representing the distance value from the first key point to the second key point as StotalThen S istotal=200mm。
The method in the embodiment of the invention can perform the subsequent steps only by acquiring the position information and the movement speed of at least two key points.
Step S104: and acquiring the image setting frame value.
The image setting frame number value is represented as x, the value can be selected from 24fps, and can also be set to 10fps, 25fps, 30fps, 40fps and the like, and the video playing requirement can be set by a person skilled in the art.
Step S105: and calculating a starting interval distance between positions where the first picture is shot and the second picture is shot by the camera during the time-delay shooting and an ending interval distance between positions where the second picture is shot and the first picture is shot by the camera according to the image setting frame value, the first moving speed and the second moving speed.
Specifically, step S105 includes:
the starting separation distance is denoted SstartThe end separation distance is denoted Send;
Calculating the starting interval distance S between the positions of the first picture and the second picture taken by the time-delay camerastartAnd S isstart=x/Vstart;
E.g. Sstart24/8 mm, the starting distance between the first and second pictures taken by the camera during the time-lapse is 3 mm.
Calculating the ending interval distance S between the positions of the last but one picture taken by the time-delay camera and the last but one picture taken by the time-delay cameraendAnd S isend=x/Vend。
E.g. SendWhen 24/24 is 1mm, the ending distance between the last picture taken by the camera and the position where the last picture was taken is 1 mm.
Step S106: and calculating the total number of pictures shot by the camera from the first key point to the second key point in a time-delay manner according to the starting interval distance and the ending interval distance.
Specifically, step S106 includes:
expressing the total number of photos as n;
calculating the total number n of photos, andin combination with the foregoing embodiments, the present invention,therefore, the total number of pictures shot by the camera from the first key point to the second key point in a time-delay manner is 100.
Step S107: and calculating the image duration according to the total number of the photos and the set frame number of the image.
Specifically, step S107 includes:
representing the image duration as t;
and calculating the image time length t, wherein t is n/x. In this embodiment, t is 100/24 ≈ 4.17s, which illustrates that 100 photographs are taken by delayed photography, and the duration of synthesizing an image by 24 frames per second is 4.17 s.
Step S108: and displaying the image duration.
In this embodiment, the total number of photos and the duration of the image are calculated and displayed through the above steps.
According to the method for calculating the time length of the delayed photography image, provided by the embodiment of the invention, before the camera carries out the delayed photography process, the total number of pictures which can be shot by delayed photography and the time length of the image which can be synthesized by delayed photography can be calculated in advance and displayed, so that a photographer can adjust the first key point and the second key point according to the calculated image time length, finally, after the image time length meeting the requirement is adjusted, the delayed photography can be carried out in one step, and the time and the energy of the photographer are greatly saved.
Specifically, as shown in fig. 2, the method for calculating the duration of the delayed image further includes:
step S109: and acquiring an exposure time set value of the camera and a delay time set value of the delay photography.
Expressing the exposure time setting value as texpThe delay time is denoted as tdelayE.g. acquired exposure time set value texpDelay time t of delay photography of 10sdelay=10s。
Step S110: calculating the total time length of the delayed photography according to the exposure time set value, the delay time set value and the total number of the photos;
specifically, step S110 includes:
the total time length of the delayed photography is represented as TTP;
Calculating the total time length T of the delayed photographyTP,TTP=n×(texp+tdelay)。
In this embodiment, the total duration of the delayed photography TTP=100*(10+10)=2000s=33min20s。
Step S111: and displaying the total shooting time length and the image time length together.
According to the method for calculating the time length of the delayed photography image, before the camera carries out the delayed photography process, the total number of pictures which can be shot by delayed photography and the time length of the image which can be synthesized by delayed photography are calculated in advance, the total photography time length which needs to be spent in the whole process of delayed photography is calculated, and the calculation results are displayed, so that a photographer can adjust the first key point and the second key point according to the calculated image time length, and finally adjust the image time length which meets the requirement; and the photographer can reasonably arrange time to do other things in the delayed photographing process through the calculated total photographing time, so that the method of the embodiment can enable the delayed photographing to be in place in one step according to the photographing requirement, and the time and the energy of the photographer are greatly saved.
Specifically, as shown in fig. 3, the method for calculating the duration of the delayed image further includes:
step S112: and calculating the acceleration of the camera motion according to the first motion speed, the second motion speed, the set frame number value of the images and the total number of the photos, and displaying the acceleration together with the total shooting duration and the image duration.
Specifically, calculating the acceleration of the camera motion according to the first motion speed, the second motion speed and the total number of photos includes:
the acceleration is denoted as a;
the acceleration a is calculated and the acceleration a,acceleration in the present embodimentThe acceleration of the camera movement when time-lapse photographing is performed is 0.48 mm/s.
Starting from the first key point, the camera takes a picture with a shooting interval time of 10s and an exposure time of 10s, i.e. the camera takes one picture every 20 s. After the time-lapse photography starts, the camera gradually moves from the first key point to the second key point. During this operation, the camera movesOne picture per move was taken 100 times. For each distance that the camera moves, the foregoing embodiment calculates the starting separation distance End separation distance Send=24/Vend24/24 ═ 1 mm; the change amplitude of every two shooting position intervals of the camera between the first key point and the second key point isThe camera moves 100 times in the process of moving from the first key point to the second key point, and the camera takes 100 pictures, and the moving distance is 3mm, 2.98mm, 2.96mm, … …, 1.02mm and 1 mm.
In the method for calculating the time length of the delayed photography image according to the embodiment of the invention, only the image time length calculation process between two key points is described, for a person skilled in the art, a plurality of key points can be set, and the time-delay photography process between two adjacent key points is directly calculated by the method according to the embodiment of the invention, and finally, the addition operation is carried out.
The invention also discloses a device 100 for calculating the time length of a delayed photographic image, as shown in fig. 4, the device 100 comprises an information acquisition module 101, a distance value calculation module 102, a total number of photos calculation module 103, an image time length calculation module 104 and a display module 105, wherein:
the information acquisition module 101 is connected with the distance value calculation module 102 and the image duration calculation module 104; the image processing device is used for acquiring first position information and a first movement speed of a first key point, acquiring second position information and a second movement speed of a second key point and acquiring an image setting frame value.
The distance calculation module 102 is connected with the information acquisition module 101 and the total number of photos calculation module 103; the distance calculation module is used for calculating a distance value between the first key point and the second key point according to the first position information and the second position information, and calculating a starting interval distance between positions where the first picture and the second picture are shot by the camera during time-delay shooting and an ending interval distance between positions where the last-but-one picture and the last-but-one picture are shot by the camera according to the image setting frame value, the first motion speed and the second motion speed.
And the total number of photos calculating module 103 is connected with the distance calculating module 102 and the image duration calculating module 104, and is used for calculating the total number of photos shot by the camera from the first key point to the second key point in a delayed shooting manner according to the starting interval distance and the ending interval distance.
The image duration calculation module 104 is connected to the information acquisition module 101, the total number of photos calculation module 103, and the display module 105, and is configured to calculate the image duration according to the total number of photos and the set number of frames of the image.
The display module 105 is connected to the image duration calculation module 104, and is configured to display the image duration. The display module 105 in this embodiment may be further connected to the total number of photos calculating module 103 to display the total number of photos.
The implementation processes of the respective functions of the distance calculation module 102, the total number of photos calculation module 103, and the image duration calculation module 104 in this embodiment can refer to the description and examples of the foregoing method embodiments directly, and are not described herein again.
Specifically, as shown in fig. 5, the apparatus 100 further includes a total time duration of delayed photography calculation module 106, where the total time duration of photography calculation module 106 is connected to the information acquisition module 101, the total number of photographs calculation module 103 and the display module 105; wherein: the information obtaining module 101 is further configured to obtain an exposure time setting value of the camera and a delay time setting value of the delayed photography; the total photographing duration calculation module 106 is configured to calculate a total duration of the delayed photographing according to the exposure time setting value, the delay time setting value, and the total number of photos; the display module 105 is further configured to display the total photographing time length together with the image time length.
The implementation of the functions of the modules in the embodiment of the present invention can be performed with reference to the foregoing method embodiment and fig. 1 to 3, which are not described herein.
According to the device for calculating the time length of the delayed photography image, provided by the embodiment of the invention, before the camera carries out the delayed photography process, the total number of pictures which can be shot by delayed photography and the time length of the image which can be synthesized by delayed photography are calculated, the total photography time length which needs to be spent in the whole process of delayed photography is also calculated, and the calculation results are displayed, so that a photographer can adjust the first key point and the second key point according to the calculated image time length, and finally adjust the image time length which meets the requirement; and the photographer can reasonably arrange time to do other things in the delayed photographing process through the calculated total photographing time, so that the method of the embodiment can enable the delayed photographing to be in place in one step according to the photographing requirement, and the time and the energy of the photographer are greatly saved.
The embodiment of the invention also provides a memory, wherein the memory is stored with computer instructions, and the computer instructions are executed by the processor to realize the time-delay shooting method of the embodiment.
As shown in fig. 6, the electronic device 200 according to an embodiment of the present invention includes a memory 201 and a processor 202, where the memory 201 stores computer instructions; the processor 202 is configured to execute computer instructions to implement the method for calculating the duration of the delayed photographic image in the above embodiments.
Specifically, the electronic device 200 in this embodiment is a mobile phone or a control device designed correspondingly.
The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.
Claims (10)
1. A method for calculating the time length of a delayed photographic image, comprising:
acquiring first position information and a first movement speed of a first key point;
acquiring second position information and a second movement speed of a second key point;
calculating a distance value from the first key point to the second key point according to the first position information and the second position information;
acquiring an image setting frame value;
calculating a starting interval distance between positions where the camera shoots the first picture and shoots the second picture and an ending interval distance between positions where the camera shoots the second picture and shoots the first picture according to the image setting frame value, the first moving speed and the second moving speed;
calculating the total number of photos shot by the camera from the first key point to the second key point in a delayed shooting mode according to the starting interval distance, the ending interval distance and the distance value from the first key point to the second key point;
calculating the image duration according to the total number of the photos and the image set frame value;
and displaying the image duration.
2. The method of calculating a time duration of a delayed photographic image of claim 1, further comprising:
acquiring an exposure time set value and a delay time set value of delay photography of a camera;
calculating the total time length of the delayed photography according to the exposure time set value, the delay time set value and the total number of the photos;
and displaying the total shooting duration and the image duration together.
3. The method of claim 2, wherein the calculating a starting distance between the positions of the first photo and the second photo taken by the camera and an ending distance between the positions of the second last photo and the first last photo taken by the camera according to the image setting frame value, the first moving speed and the second moving speed comprises:
the image is represented by a set frame number x and a first motion speed VstartExpressing the second movement velocity as VendThe starting separation distance is denoted as SstartThe end separation distance is denoted Send;
Calculating the starting interval distance S between the positions of the first picture and the second picture taken by the time-delay camerastartAnd S isstart=x/Vstart;
Calculating the ending interval distance S between the positions of the last but one picture taken by the time-delay camera and the last but one picture taken by the time-delay cameraendAnd S isend=x/Vend。
4. The method of claim 3, wherein the calculating the total number of photos taken by the camera from the first key point to the second key point in the delayed time-lapse photography according to the starting interval distance and the ending interval distance comprises:
the total number of photos is represented as n, and the distance value from the first key point to the second key point is represented as Stotal;
5. the method of claim 4, wherein the calculating the duration of the image by the total number of photos and the set frame number of the image comprises:
representing the image duration as t;
and calculating the image time length t, wherein t is n/x.
6. The method of claim 5, wherein the calculating a total duration of the delayed photography based on the exposure time setting value, the delay time setting value and the total number of photos comprises:
representing the exposure time setting value as texpSaid delay time is denoted tdelayAnd expressing the total time length of the delayed photography as TTP;
Calculating the total time length T of the delayed photographyTP,TTP=n×(texp+tdelay)。
7. The method of calculating a time-lapse video camera duration of claim 6, further comprising: and calculating the acceleration of the camera movement according to the first movement speed, the second movement speed, the set frame number value of the images and the total number of the photos, and displaying the acceleration, the total shooting duration and the image duration together.
9. the utility model provides a device of calculating time length of time delay photographic image, its characterized in that, the device includes information acquisition module, distance value calculation module, total number of photos calculation module, image time length calculation module and display module, wherein:
the information acquisition module is connected with the distance value calculation module and the image duration calculation module; the image processing device is used for acquiring first position information and a first movement speed of a first key point, acquiring second position information and a second movement speed of a second key point and acquiring an image setting frame value;
the distance calculation module is connected with the information acquisition module and the total number of photos calculation module; the camera is used for calculating a distance value between a first key point and a second key point according to the first position information and the second position information, and calculating a starting interval distance between positions where the camera shoots a first picture and shoots a second picture and an ending interval distance between positions where the camera shoots a last-but-one picture and shoots a last-but-one picture according to the image setting frame value, the first motion speed and the second motion speed;
the total number of photos calculating module is connected with the distance calculating module and the image duration calculating module and is used for calculating the total number of photos shot by the camera from the first key point to the second key point in a delayed shooting mode according to the starting interval distance, the ending interval distance and the distance value from the first key point to the second key point;
the image duration calculation module is connected with the information acquisition module, the total number of photos calculation module and the display module and is used for calculating the image duration according to the total number of photos and the image setting frame value;
the display module is connected with the image duration calculation module and used for displaying the image duration.
10. The apparatus for calculating the duration of time-lapse video recording according to claim 9, further comprising a total duration calculation module for time-lapse video recording, wherein the total duration calculation module for time-lapse video recording is connected to the information acquisition module, the total number of photographs calculation module and the display module; wherein:
the information acquisition module is used for acquiring an exposure time set value of the camera and a delay time set value of delay shooting;
the total photographing duration calculation module is used for calculating the total delay photographing duration according to the exposure time set value, the delay time set value and the total number of the photos;
and the display module is used for displaying the total photographing time length and the image time length together.
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CN104822015A (en) * | 2014-01-30 | 2015-08-05 | 卡西欧计算机株式会社 | Image processing apparatus and image processing method |
CN110086985A (en) * | 2019-03-25 | 2019-08-02 | 华为技术有限公司 | A kind of method for recording and electronic equipment of time-lapse photography |
CN110771137A (en) * | 2018-05-28 | 2020-02-07 | 深圳市大疆创新科技有限公司 | Time-delay shooting control method and device |
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CN104822015A (en) * | 2014-01-30 | 2015-08-05 | 卡西欧计算机株式会社 | Image processing apparatus and image processing method |
CN110771137A (en) * | 2018-05-28 | 2020-02-07 | 深圳市大疆创新科技有限公司 | Time-delay shooting control method and device |
CN110086985A (en) * | 2019-03-25 | 2019-08-02 | 华为技术有限公司 | A kind of method for recording and electronic equipment of time-lapse photography |
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