CN109982126A - A kind of stacking method of associated video - Google Patents
A kind of stacking method of associated video Download PDFInfo
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- CN109982126A CN109982126A CN201711446435.9A CN201711446435A CN109982126A CN 109982126 A CN109982126 A CN 109982126A CN 201711446435 A CN201711446435 A CN 201711446435A CN 109982126 A CN109982126 A CN 109982126A
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- 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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- 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
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
-
- 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, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44012—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Abstract
The invention discloses a kind of stacking methods of associated video, this method includes carrying out correlation judgement and sequence processing to video and being overlapped processing to associated video, wherein: correlation judgement being carried out to video and sequence processing includes: a) to extract the feature of the signal data in video, and by signal data sequences segmentation at the significant scene of several tape indexes；B) correlation between video is judged according to significant scene；C) the set of metadata of similar data queue for having sequence indicia scene is generated；Being overlapped processing to associated video includes: a ') the mark key frame of two significant scenes selecting similarity value high from the back end in set of metadata of similar data queue in sequence as signal data；B ') it adjusts the out points of adjacent signals data and enters out the time, play the mark key frame with high similarity signal data in the same time；C ') adjust two adjacent videos signal data the out points time, make unlike signal data while playing.
Description
Technical field
The present invention relates to video data process fields, and in particular to a kind of stacking method of associated video.
Background technique
With the rapid development of computer technology, multimedia type is more and more abundant, the processing for various media datas
Demand is also varied.Wherein, due to the existing space attribute of video data again having time attribute, when shooting video
Due to shooting angle, the difference of time, same reference object can generate many videos.
When several videos or its higher sub-piece similarity, then determine that video has correlation.Video is judged at present
Whether the technological means with correlation has video retrieval technology and audio retrieval technology.When production has the video of correlation,
Routine operation is to need artificial editor (put fastly, slow play etc.) video, finds out the video pictures of high similarity, cuts the time and simultaneously carries out
Superposition, enables several videos can be according to the transition of high similarity picture smoothness.Due to the complexity of video content, difference is used
Family in operation, even if to same portion's video, focus on angle be also possible to difference.Therefore not only smart using the method
Spend it is low, time-consuming also grow, cumbersome, producing efficiency is extremely low.
Summary of the invention
For technical problem mentioned above, the invention proposes a kind of stacking method of associated video, this method is utilized
Retrieval technique finds out the high similarity picture of several videos, cuts the time according to high similarity picture and is overlapped, quickly
Accurate intelligentized editing splicing.
A kind of stacking method of associated video of the invention include to video carry out correlation judgement and sequence processing and
Processing is overlapped to associated video, in which:
Correlation judgement is carried out to video and sequence processing includes:
A) feature extraction carried out respectively to the signal data in multiple videos of importing, and by signal data sequences segmentation at
The significant scene of several tape indexes；
B) according to the judgement of the significant scene of the signal data, whether video has correlation two-by-two；
C) the set of metadata of similar data queue for having sequence indicia scene is generated, it is described similar significant scene information to be added to
When data queue, significant scene information is sequentially added by the set of metadata of similar data according to the scene time of the high similarity of video
Queue；
Being overlapped processing to associated video includes:
A ') in sequence from set of metadata of similar data queue select the first two signal data all back end, from these number
According to two significant scenes for selecting similarity value high in node, a signal data for choosing two significant scenes respectively is made
For the mark key frame of two signal datas；
B ') after determining mark key frame, by adjusting the out points of adjacent signals data and entering out the time, make two
Mark key frame with high similarity signal data is played out in synchronization；
C ') adjust two adjacent videos signal data the out points time, make unlike signal data access point, go out point,
The angle of incidence is consistent, and is made different data signal while being played.
In an embodiment of the invention, the signal data in video is vision signal, passes through video frequency searching
Technology carries out feature extraction to multiple vision signals of importing respectively.
Optionally, according to the judgement of the significant scene of vision signal, whether video there is the specific judgement of correlation to walk two-by-two
Suddenly are as follows:
I) video is selected, the significant scene of its vision signal and the vision signal of other videos is compared
Compared with；
Ii) if height is similar, the information preservation of the significant scene is recorded into set of metadata of similar data queue, is selected next
A video is compared with other videos；
Iii) if dissimilar, current video is continued compared with other videos, until all videos are all completeer
The similarity of the significant scene of vision signal.
Wherein, in step a ') in, when selection marker key frame, the scenic picture in back end described in preview respectively, and
Mark key frame of the frame picture as first video and second video in significant scene is chosen respectively.
In step b ') in, realize image switching same by adjusting the out points of adjacent video signal and entering the time
One moment played, specifically:
A) first vision signal access point and angle of incidence default are 0, need to cut out a little and out time, and putting out is its mark
The time value of will key frame, out the time be the angle of incidence+go out point-access point value；
B) second vision signal needs to cut access point and the angle of incidence, and access point is the time value of its mark key frame, enters
Time is the time out of previous video signal；
C) then second group of back end is adjusted, i.e., the switching of second vision signal and third vision signal
Scene is adjusted；Pass through step a ') find out switching it is crucial after, cut second vision signal goes out to point out time and third
Access point angle of incidence ... of vision signal and so on, respectively to each adjacent two video signal data in set of metadata of similar data queue
Back end carries out above-mentioned steps operation, so that the mark key frame of previous video signal data and the latter vision signal number
According to mark key frame picture be to be played out in synchronization.
In another embodiment of the present invention, the signal data in video is audio signal data, passes through audio
Retrieval technique carries out feature extraction to multiple audio signal datas of importing respectively, analyzes and calculate the similarity of video, superposition
Associated video enables the audio synchronization of high similarity to play.
Optionally, according to the judgement of the significant scene of audio signal data, whether video has specifically sentencing for correlation two-by-two
Disconnected step are as follows:
I ') one video of selection, by the significant scene of the significant scene of its audio signal and other audio signals into
Row compares；
Ii ') if height is similar, the information preservation of the significant scene is recorded into set of metadata of similar data queue, under selection
One video is compared with other videos；
Iii ') if dissimilar, current video is continued compared with other videos, until all videos are all completeer
The similarity of the significant scene of audio signal.
Wherein, in step b ') in, high phase is realized by adjusting the out points of adjacent audio signals data and entering the time
It is played like the audio signal of degree in synchronization, specifically:
A ') first audio signal access point and angle of incidence default be 0, need to cut out a little and out time, putting out is it
Indicate key frame time value, out the time be the angle of incidence+go out point-access point value；
B ') second audio signal need to cut access point and the angle of incidence, and access point is the time value of its mark key frame, is entered
Time is the time out of previous video signal；
C ') second group of back end is adjusted, i.e. the switching field of second audio signal and third audio signal
Scape is adjusted, according to a ') step find out switching it is crucial after, cut second audio signal goes out to point out time and third sound
Access point angle of incidence ... of frequency signal and so on, it is other that each adjacent two audio signal data in set of metadata of similar data queue is carried out
State step operation, with guarantee the mark key frame sound of previous audio signal and the latter audio signal be synchronization into
Row plays.
A kind of stacking method of associated video of the invention is utilized retrieval technique and finds out the high similarity picture of several videos
Face cuts the time according to high similarity picture and is overlapped, quickly accurate intelligentized editing splicing, to greatly improve
Precision, reduces manual operation, to reduce the operating time, largely improves video production efficiency.
Detailed description of the invention
Fig. 1 is the flow chart according to a kind of stacking method of associated video of the embodiment of the present invention；
Fig. 2 is the intuitively comparing effect according to a kind of associated video of the stacking method of associated video of the embodiment of the present invention
Schematic diagram；
Fig. 3 is the set of metadata of similar data queue schematic diagram according to a kind of stacking method of associated video of the embodiment of the present invention；
Fig. 4 is the video Overlay schematic diagram according to a kind of stacking method of associated video of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, the embodiments described below are only the embodiment of the present invention, are only used for clearly to this hair
It is bright to be explained and illustrated, it can not limited the scope of protection of the present invention with this.
A kind of Fig. 1 flow chart of the stacking method of associated video according to an embodiment of the present invention.
With reference to Fig. 1, the embodiment of the present invention 1 discloses a kind of stacking method of associated video, and this method includes to video
It carries out correlation judgement and sequence processing P1 and processing P2 is overlapped to associated video, in which:
Correlation judgement is carried out to video and sequence processing P1 includes:
S101 carries out feature extraction to the signal data in multiple videos of importing respectively, and signal data sequence is divided
It is cut into the significant scene of several tape indexes；
S102, according to the judgement of the significant scene of the signal data, whether video has correlation two-by-two；
S103 generates the set of metadata of similar data queue for having sequence indicia scene, described significant scene information to be added to
When set of metadata of similar data queue, significant scene information is sequentially added into according to the scene time of the high similarity of video described similar
Data queue；
Being overlapped processing to associated video includes P2:
S201 selects all back end of the first two signal data, from these from set of metadata of similar data queue in sequence
Two significant scenes for selecting similarity value high in back end choose a signal data of two significant scenes respectively
Mark key frame as two signal datas；
S202, by adjusting the out points of adjacent signals data and entering out the time, makes two after determining mark key frame
A mark key frame with high similarity signal data is played out in synchronization；
S203 adjusts the out points time of the signal data of two adjacent videos, makes the access point of unlike signal data, goes out
Point, the angle of incidence are consistent, and are made different data signal while being played.
As interchangeable embodiment, the signal data in the video in embodiment 2 can be specially vision signal,
Feature extraction is carried out respectively by multiple vision signals of the video retrieval technology to importing.
Referring to figs. 2 and 3, according to the judgement of the significant scene of vision signal, whether video has the specific of correlation two-by-two
Judgment step are as follows:
I) video 1 is selected, by its vision signal and the vision signal of other videos 2 (or video 3 ...)
Significant scene (scene 11, scene 17, scene 30, scene 55, scene 63, scene 80, scene 280, scene 300, scene 34,
Scene 56 ...) it is compared；
Ii) if height is similar, the information preservation of the significant scene is recorded into set of metadata of similar data queue, is selected next
A video is compared with other videos；
Iii) if dissimilar, current video is continued compared with other videos, until all videos are all completeer
The similarity of the significant scene of vision signal.
Wherein, in selection marker key frame, the scenic picture in back end described in preview, and selection mark respectively respectively
Mark key frame of the frame picture as first video and second video in will scene.
With reference to Fig. 4, realize image switching in same a period of time by adjusting the out points of adjacent video signal and entering the time
It carves and plays, specifically:
A) first vision signal access point and angle of incidence default are 0, need to cut out a little and out time, and putting out is its mark
The time value of will key frame, out the time be the angle of incidence+go out point-access point value；
B) second vision signal needs to cut access point and the angle of incidence, and access point is the time value of its mark key frame, enters
Time is the time out of previous video signal；
C) then second group of back end is adjusted, i.e., the switching of second vision signal and third vision signal
Scene is adjusted；Pass through step a ') find out switching it is crucial after, cut second vision signal goes out to point out time and third
Access point angle of incidence ... of vision signal and so on, respectively to each adjacent two video signal data in set of metadata of similar data queue
Back end carries out above-mentioned steps operation, so that the mark key frame of previous video signal data and the latter vision signal number
According to mark key frame picture be to be played out in synchronization.
As another interchangeable embodiment, the signal data in video in embodiment 3 is audio signal number
According to carrying out feature extraction respectively by multiple audio signal datas of the audio retrieval technology to importing, analyze and calculate video
Similarity, superposition associated video enable the audio synchronization of high similarity to play.
Referring to figs. 2 and 3, optionally, according to the judgement of the significant scene of audio signal data, whether video has two-by-two
The specific judgment step of correlation are as follows:
I ') one video of selection, by the significant scene of the significant scene of its audio signal and other audio signals into
Row compares；
Ii ') if height is similar, the information preservation of the significant scene is recorded into set of metadata of similar data queue, under selection
One video is compared with other videos；
Iii ') if dissimilar, current video is continued compared with other videos, until all videos are all completeer
The similarity of the significant scene of audio signal.
Wherein, with reference to Fig. 4, high similarity is realized by adjusting the out points of adjacent audio signals data and entering the time
Audio signal synchronization play, specifically:
A ') first audio signal access point and angle of incidence default be 0 (user can also voluntarily adjust different numerical value), it needs
The a little and out time is cut out, point is the time value of its mark key frame out, and the time is the angle of incidence+go out point-access point value out；
B ') second audio signal need to cut access point and the angle of incidence, and access point is the time value of its mark key frame, is entered
Time is the time out of previous video signal；
C ') second group of back end is adjusted, i.e. the switching field of second audio signal and third audio signal
Scape is adjusted, according to a ') step find out switching it is crucial after, cut second audio signal goes out to point out time and third sound
Access point angle of incidence ... of frequency signal and so on, it is other that each adjacent two audio signal data in set of metadata of similar data queue is carried out
State step operation, with guarantee the mark key frame sound of previous audio signal and the latter audio signal be synchronization into
Row plays.
Through the above, it can be seen that key problem in technology point of the invention is: when several associated videos are superimposed, passing through tune
Out points and the time for saving video/audio play the high similarity picture of different video or sound in synchronization, and regard sound
Frequency is synchronous.Wherein, when associated video is superimposed, high similarity mark key frame is chosen, out points and the time of video and audio is adjusted, makes
The high similarity picture or sound of different video are played in synchronization, and video and audio is synchronous.
The technical solution illustrated according to front, the present invention find out the high similarity picture of several videos using retrieval technique,
The time is cut according to high similarity picture and is overlapped, it being capable of quickly accurate intelligentized editing splicing.
A specific embodiment of the invention is described in detail above, but those skilled in the art are according to this
The creative concept of invention can carry out various changes and modifications to the present invention, but the various changes and modifications done do not depart from
The spirit and scope of the present invention, within the scope of coming under the claims in the present invention.
Claims (8)
1. a kind of stacking method of associated video, which is characterized in that this method includes carrying out correlation judgement and sequence to video
It handles and processing is overlapped to associated video, in which:
Correlation judgement is carried out to video and sequence processing includes:
A) feature extraction is carried out respectively to the signal data in multiple videos of importing, and by signal data sequences segmentation at several
The significant scene of tape index；
B) according to the judgement of the significant scene of the signal data, whether video has correlation two-by-two；
C) the set of metadata of similar data queue for having sequence indicia scene is generated, significant scene information is being added to the set of metadata of similar data
When queue, significant scene information is sequentially added by the set of metadata of similar data team according to the scene time of the high similarity of video
Column；
Being overlapped processing to associated video includes:
A ') in sequence from set of metadata of similar data queue select the first two signal data all back end, from these data sections
Two significant scenes for selecting similarity value high in point choose a signal data of two significant scenes as two respectively
The mark key frame of a signal data；
B ') after determining mark key frame, by adjusting the out points of adjacent signals data and entering out the time, make two to have
The mark key frame of high similarity signal data is played out in synchronization；
C ') adjust two adjacent videos signal data the out points time, make the access point of unlike signal data, go out point, fashionable
Between be consistent, make different data signal while playing.
2. passing through the method according to claim 1, wherein the signal data in video is vision signal
Video retrieval technology carries out feature extraction to multiple vision signals of importing respectively.
3. according to the method described in claim 2, it is characterized in that, judging video two-by-two according to the significant scene of vision signal
Whether there is the specific judgment step of correlation are as follows:
I) video is selected, its vision signal is compared with the significant scene of the vision signal of other videos；
Ii) if height is similar, the information preservation of the significant scene is recorded into set of metadata of similar data queue, selects next view
Frequency is compared with other videos；
Iii) if dissimilar, current video is continued compared with other videos, until all completeer video of all videos
The similarity of the significant scene of signal.
4. according to the method described in claim 2, it is characterized in that, in step a ') in, it is pre- respectively when selection marker key frame
The scenic picture look in the back end, and the frame picture in significant scene is chosen respectively as first video and
The mark key frame of two videos.
5. according to the method described in claim 2, it is characterized in that, in step b ') in, by adjusting entering for adjacent video signal
Put out and enter the time realize image switching synchronization play, specifically:
A) first vision signal access point and angle of incidence default are 0, need to cut out a little and out time, and point is its mark pass out
The time value of key frame, out the time be the angle of incidence+go out point-access point value；
B) second vision signal needs to cut access point and the angle of incidence, and access point is the time value of its mark key frame, the angle of incidence
It is the time out of previous video signal；
C) then second group of back end is adjusted, i.e., the handoff scenario of second vision signal and third vision signal
It is adjusted；Pass through step a ') find out switching it is crucial after, cut second vision signal goes out to point out time and third video
Access point angle of incidence ... of signal and so on, respectively to the data of each adjacent two video signal data in set of metadata of similar data queue
Node carries out above-mentioned steps operation, so that the mark key frame and the latter video signal data of previous video signal data
Indicate that key frame picture is played out in synchronization.
6. the method according to claim 1, wherein the signal data in video is audio signal data,
Feature extraction is carried out respectively by multiple audio signal datas of the audio retrieval technology to importing, is analyzed and is calculated the similar of video
Degree, superposition associated video enable the audio synchronization of high similarity to play.
7. according to the method described in claim 6, it is characterized in that, two-by-two according to the judgement of the significant scene of audio signal data
Whether video has the specific judgment step of correlation are as follows:
I ') one video of selection, the significant scene of its audio signal and the significant scene of other audio signals are compared
Compared with；
Ii ') if height is similar, the information preservation of the significant scene is recorded into set of metadata of similar data queue, is selected next
Video is compared with other videos；
Iii ') if dissimilar, current video is continued compared with other videos, until all completeer audio of all videos
The similarity of the significant scene of signal.
8. according to the method described in claim 6, it is characterized in that, in step b ') in, by adjusting adjacent audio signals data
Out points and enter the time and realize that the audio signal of high similarity is played in synchronization, specifically:
A ') first audio signal access point and angle of incidence default be 0 (user can also voluntarily adjust different numerical value), it needs to cut out
The a little and out time is cut, point is the time value of its mark key frame out, and the time is the angle of incidence+go out point-access point value out；
B ') second audio signal need to cut access point and the angle of incidence, and access point is the time value of its mark key frame, the angle of incidence
It is the time out of previous video signal；
C ') second group of back end is adjusted, i.e., the handoff scenario of second audio signal and third audio signal into
Row is adjusted, according to a ') step find out switching it is crucial after, cut second audio signal go out to point out the time and third audio is believed
Number the access point angle of incidence ... and so on, it is other that above-mentioned step is carried out to each adjacent two audio signal data in set of metadata of similar data queue
Rapid operation, to guarantee that the mark key frame sound of previous audio signal and the latter audio signal is broadcast in synchronization
It puts.
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