CN107071559A - Many video comparison systems based on crucial frame synchronization - Google Patents
Many video comparison systems based on crucial frame synchronization Download PDFInfo
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- CN107071559A CN107071559A CN201710327768.3A CN201710327768A CN107071559A CN 107071559 A CN107071559 A CN 107071559A CN 201710327768 A CN201710327768 A CN 201710327768A CN 107071559 A CN107071559 A CN 107071559A
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- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000033001 locomotion Effects 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 230000033764 rhythmic process Effects 0.000 abstract description 3
- 230000036544 posture Effects 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The present invention provides a kind of many video comparison systems based on crucial frame synchronization, the system mainly includes multi bri device, display unit, judging unit, control unit, received in the first port of multi bri device and carry out the first video, the second video is received in the second port of multi bri device, the first video and the second video include the same or like more than one key frame of content；Judging unit determine up to first port and reach second port content whether be same key frame, if so, then continue play；If it is not, then the video that key frame is first reached is done pause processing by control unit, when the same key frame of another port is reached, broadcasting is synchronized.Pass through the present invention, make the video of two or more actions of rhythm difference or time irreversibility when contrasting broadcasting, the synchronous contrast of key frame can be reached, the continuity of video playback is in turn ensure that, it is easier to the difference for acting or moving in two or more videos is recognized.
Description
Technical field
The present invention relates to a kind of effective, non-temporal in the contrast of the content based on multiple videos, evaluation and analysis is synchronous
Broadcast mode, used in the continuous action based on multiple videos motion feature contrast, analysis and evaluate etc. technical applications,
More particularly in terms of motion contrast, analysis and the evaluation in dancing, wushu and all kinds of sports.
Background technology
In the teaching and training process of dancing, wushu and all kinds of sports, it will usually being moved through for the person of being trained to
Journey records into video with video recording equipments such as video cameras, then by the video with recording in the past, or other people video recorded
Contrasted, analyzed and evaluated, with the purpose for reaching amendment or improving the person's of being trained to action or motion.
However, because the video of recording is time series, the video recorded every time, or regarding of recording respectively of different objects
Frequently, the rhythm of action is difficult completely the same.Cause in contrast, analysis and evaluation, it is necessary to which repeated multiple times regard two or more
Frequency is played in multiple times, and not only cumbersome, efficiency is low, and is difficult the contrast by video, to complex dancing, wushu
Drawn with all kinds of sports and clearly contrast, analyze and evaluation conclusion.
The content of the invention
It is an object of the present invention to for the above-mentioned video recorded with time series play when be also same time series
Play, it is difficult to the problem of reaching the synchronous contrast of action, a kind of many video comparison systems based on crucial frame synchronization are proposed, with reality
The mode of existing key frame synchronization is played to carry out video contrast, so as to the synchronization contrast for easily being acted or being moved.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of many video comparison systems based on crucial frame synchronization, including：Multiport with two or more receiving port
Equipment, receives the display unit that the video data from multi bri device is shown, judges the receiving port of multi bri device
The judging unit of the data content of reception, the control unit being controlled according to the judged result of judging unit；
The first video from the first source is received in the first port of multi bri device, at the second end of multi bri device
Receive the second video from the second source on mouth, the first video and the second video include same or like more than one of content
Key frame；
Have the corresponding lists of the same key frame in judging unit, judging unit determine up to first port and
Whether the content of second port is same key frame, if so, then continuing to play；If it is not, then control unit is first by key frame
The video of arrival does pause processing, when the same key frame of another port is reached, synchronizes broadcasting.
By a kind of many video comparison systems based on crucial frame synchronization of the present invention, make rhythm difference or time not
The video of synchronous two or more actions can reach the synchronous contrast of key frame, in turn ensure that video when contrasting broadcasting
The continuity of broadcasting, it is easier to recognize the difference for acting or moving in two or more videos.
Brief description of the drawings
Fig. 1 is the schematic diagram of many video comparison systems involved in the present invention based on crucial frame synchronization.
Embodiment
For make present invention solves the technical problem that, the technical scheme that uses and the technique effect that reaches it is clearer, below
The present invention is described in further detail in conjunction with the accompanying drawings and embodiments.It is understood that specific implementation described herein
Example is only used for explaining the present invention, rather than limitation of the invention.It also should be noted that, for the ease of describing, in accompanying drawing
It illustrate only part related to the present invention rather than full content.
The present invention is further described with reference to embodiments：
Embodiment 1
As shown in figure 1, a kind of many video comparison systems based on crucial frame synchronization, including：With two or more receiving terminal
The multi bri device of mouth, receives the display unit that the video data from multi bri device is shown, judges multi bri device
Receiving port receive data content judging unit, the control unit being controlled according to the judged result of judging unit；
The first video from the first source is received in the first port of multi bri device, at the second end of multi bri device
Receive the second video from the second source on mouth, the first video and the second video include same or like more than one of content
Key frame；
Have the corresponding lists of the same key frame in judging unit, judging unit determine up to first port and
Whether the content of second port is same key frame, if so, then continuing to play；If it is not, then control unit is first by key frame
The video of arrival does pause processing, when the same key frame of another port is reached, synchronizes broadcasting.On key frame
Judge as follows：It is key frame to specify a certain frame when first can individually play manually；Can also according to catch when video when, supporting biography
Sensor is used, when the angle of such as inertial sensor at some position of body respectively reaches 30 degree, 45 degree, 60 degree, and automatic set is worked as
When frame of video be key frame.During manual designated key frame, the frame number for just specifying key frame (such as specifies first video
80th frame is first motion key frame, and the 120th frame of the 2nd video is crucial for the 1st motion), first video during broadcasting
It is played to after the 80th frame and suspends, after the 2nd video playback of wait to the 120th frame, continues to play together.
Below by taking the contrast of two videos as an example, the practical application to the present invention is described briefly：Object as a comparison
Two videos can be that a people repeats the video of same action in dancing, wushu and all kinds of sports or two people do together
The video of one action, a people can be contrasted twice by being checked by broadcasting simultaneously, or the action of two people is distinguished.In video
Rong Zhong, each frame where the action that will have interim indicate or special state is appointed as key frame.
Assuming that an action there are n significant postures, the first video and the second video can be first checked respectively, this n
Frame flag where posture is out used as key frame.When two video contrasts are played, broadcasting is started simultaneously at, if the first video is first
First key frame is played to, then the first video pause is played, has waited the second video to be also played to after first key frame, the
One video continues to play.Equally, if the second video has first been played to the first key frame, the second video pause is played, and is waited
First depending on being also played to after the first key frame frequently, and the second video continues to play.By that analogy, identical is all made to n key frame
Processing, until finishing playing.
With two videos be the citing for functions in the above embodiments, can also be actually multiple videos simultaneously
Contrast is played.
Present invention introduces the concept of crucial frame synchronization, by dancing, wushu and all kinds of sports, according to what is acted or move
Characteristic divides multiple key frames, and manual required movement or the key frame of motion, while sensor or two dimension, three can also be used
Maintenance and operation moves the key frame of identification technology automatic identification action or motion in recorded video, same with crucial frame synchronization takeover time
Step, realizes that the crucial frame synchronization of two or more videos is played.Teaching and training for dancing, wushu and all kinds of sports are carried
For a succinct, clear and efficient multiple-video moving contrast, analysis and evaluation solution.
Above-mentioned key frame is referred to as motion key frame according to the difference of purposes or acts key frame.
In many video comparison systems based on crucial frame synchronization, in addition to data pick-up unit and memory cell, broadcasting
When putting same key frame, the difference section of same key frame is extracted out automatically by data pick-up unit, and is stored in institute
State memory cell.Many video comparison systems based on crucial frame synchronization, can also include difference broadcast unit, and the difference is played
Unit plays out the difference section stored in said memory cells.Many video comparison systems based on crucial frame synchronization can
Applied to video teaching field.
The difference section in key frame is stored by memory cell, conveniently to single in acting or moving contrast
Key element carries out extraction viewing, saves the troublesome operation that accent repeatedly is played, in video teaching field, can be compared by the system
Emphasis correction more targetedly is carried out to variant part.
Further, by following embodiments 2, to many video comparison systems of the present invention based on crucial frame synchronization
It is described in detail.
Embodiment 2
Hereinafter, with the video of golf swing object as a comparison, the design to the present invention is carried out specifically
It is bright.
It regard the action video that swings of well-known golf player as the first video, the action that swings of golf student respectively
Video is illustrated as the second video to embodiments of the present invention.
First, one full swing action of golf is divided into 10 crucial postures, this 10 postures are in order：Stand
Position, draw bar, upper boom, summit, lower beam, release, bat, send bar, it is preceding wave, put away sports equipment, and regard this 10 crucial postures as key frame.
The first video is checked, and when the action of sportsman in video is reached into this 10 crucial postures, crucial posture place is marked respectively
Frame be key frame.Make same processing to the second video, complete specifying for key frame.
Two videos are commenced play out from key frame where erect-position simultaneously, if the first video, which is first played to, draws bar posture place
Key frame, then the first video pause play, when waiting the second video to be also played to the key frame drawn where bar posture, the first video
Continue to play.Equally, if the second video is first played to the key frame drawn where bar posture, the second video pause is played, etc.
When first video is also played to the key frame drawn where bar, the second video continues to play.Remaining 9 are handled in an identical manner
Key frame is moved, the motion key frame where two videos are all played to and put away sports equipment, broadcasting terminates.
Using this scheme, the continuous action that swings can be can be clearly seen that, two videos can be made again in crucial posture
It is synchronous, contrast golf swing is reached, the purpose helped is provided for the assay for the action that swings.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (5)
1. a kind of many video comparison systems based on crucial frame synchronization, it is characterised in that including：
Multi bri device with two or more receiving port,
The display unit that the video data from the multi bri device is shown is received,
Judge the judging unit for the data content that the receiving port of the multi bri device is received,
The control unit being controlled according to the judged result of the judging unit；
The first video from the first source is received in the first port of the multi bri device, the of the multi bri device
The second video from the second source is received on Two-port netwerk, it is same or like that first video and second video include content
More than one key frame；
There are the corresponding lists of the same key frame in the judging unit, the judging unit is determined up to described
Whether the content of Single port and arrival second port is the same key frame, if so, then continuing to play；If it is not, then institute
State control unit and the video that the key frame is first reached is done into pause processing, when the same key frame of another port is reached
When, synchronize broadcasting.
2. many video comparison systems according to claim 1 based on crucial frame synchronization, it is characterised in that the key frame
To decompose the motion key frame of movement locus, the motion key frame can be that manual specify can also be logical in recorded video
Cross sensing element automatic identification.
3. many video comparison systems according to claim 1 based on crucial frame synchronization, it is characterised in that also including data
Extracting unit and memory cell, will be same described by the data pick-up unit when playing the same key frame
The difference section of key frame is extracted out automatically, and is stored in the memory cell.
4. many video comparison systems according to claim 3 based on crucial frame synchronization, it is characterised in that also including difference
Broadcast unit, the difference broadcast unit plays out the difference section stored in the memory cell.
5. many video comparison systems according to any one of claim 1 to 4 based on crucial frame synchronization, its feature exists
In the system is applied to video teaching field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710327768.3A CN107071559A (en) | 2017-05-11 | 2017-05-11 | Many video comparison systems based on crucial frame synchronization |
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| CN201710327768.3A CN107071559A (en) | 2017-05-11 | 2017-05-11 | Many video comparison systems based on crucial frame synchronization |
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| CN201710327768.3A Pending CN107071559A (en) | 2017-05-11 | 2017-05-11 | Many video comparison systems based on crucial frame synchronization |
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Cited By (5)
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| CN109801193A (en) * | 2017-11-17 | 2019-05-24 | 深圳市鹰硕音频科技有限公司 | It is a kind of to follow tutoring system with Speech Assessment function |
| CN110134603A (en) * | 2019-05-15 | 2019-08-16 | 东华大学 | Embedded system different parameters operational effect comparison system |
| CN111105406A (en) * | 2019-12-24 | 2020-05-05 | 杭州当虹科技股份有限公司 | Method for detecting video stream identity of public electronic screen |
| CN111898551A (en) * | 2020-07-31 | 2020-11-06 | 北京融链科技有限公司 | Motion analysis method and device in hydrogenation video and electronic equipment |
| CN113992957A (en) * | 2020-09-30 | 2022-01-28 | 深度练习(杭州)智能科技有限公司 | Motion synchronization system and method in video file suitable for intelligent terminal |
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| CN111898551A (en) * | 2020-07-31 | 2020-11-06 | 北京融链科技有限公司 | Motion analysis method and device in hydrogenation video and electronic equipment |
| CN113992957A (en) * | 2020-09-30 | 2022-01-28 | 深度练习(杭州)智能科技有限公司 | Motion synchronization system and method in video file suitable for intelligent terminal |
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