CN104394324B - Special efficacy video generation method and device - Google Patents
Special efficacy video generation method and device Download PDFInfo
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- CN104394324B CN104394324B CN201410747893.6A CN201410747893A CN104394324B CN 104394324 B CN104394324 B CN 104394324B CN 201410747893 A CN201410747893 A CN 201410747893A CN 104394324 B CN104394324 B CN 104394324B
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Abstract
The invention discloses a kind of special efficacy video generation method, including：Before recorded video or during video record, whether detection user in camera display picture upper ledge selects target image；If so, being then tracked since frame selects frame to the target image of institute's frame choosing, and during video record, the frame number of successful video frame images will be tracked, the target image band of position writes track data file；After video record terminates, partial result processing mode selected by user and the track data file are packed into special effects data file, and the original video of recording is merged with the special effects data Document encapsulation, generate special efficacy video, accordingly, can be during video capture the invention also discloses a kind of special efficacy video generator and special efficacy video player, the destination object confined according to user, special effect processing is locally carried out just for video.
Description
Technical field
The present invention relates to MultiMedia Field, more particularly to a kind of generation method of special efficacy video, special efficacy video generator and
Special efficacy video player.
Background technology
With the popularization of smart mobile phone and mobile Internet, video capture no longer needs professional camera, and anyone may be used
To be shot the video conveniently with mobile phone, then upload on major social network sites and shared.Regarding captured by common style of shooting
Frequency effect of shadow etc. is all not ideal enough, therefore can be more personalized it is desirable to the video of oneself shooting, with this demand
Increase, various APP processing softwares emerge in an endless stream, regarded as Tengxun is micro-, and U.S. claps etc., can be that video increases scene, carries out shadow tune
Section etc..But these existing technologies, nearly all it is that all pictures of whole video are uniformly processed, user operating space has
Limit, it is impossible to fully meet all users ' individualized requirements.
Other existing Video processing software, directly carry out effect process in former frame of video, can not be from having generated
Again former video is extracted in new video, so that this section of former video can not be filled other effects by user again.
The content of the invention
It is an object of the invention to provide a kind of special efficacy video generation method and characteristic video generator, can according to user regarding
The destination object confined on frequency stream, special effect processing is locally carried out just for video.
In order to realize foregoing invention purpose, the invention provides a kind of special efficacy video generation method, including：
Before recorded video or during video record, whether detection user in camera display picture upper ledge selects target figure
Picture；
, will be with if so, be then tracked since frame selects frame to the target image of institute frame choosing, and during video record
Frame number, the target image band of position write-in track data file of the successful video frame images of track；
After video record terminates, by the partial result processing mode selected by user and track data file packing shape
Merged into special effects data file, and by the original video of recording with the special effects data Document encapsulation, generate special efficacy video.
Preferably, the partial result processing mode includes picture distortion, mosaic processing, amplification, superposition picture, color
Render, colourity is adjusted, one or more modes in light and shade regulation.
Preferably, methods described also includes：The enhancing data that user is put on to target image are bundled to special effects data text
In part, the enhancing data include interactive elements and or alternative events, and wherein interactive elements include image, audio, webpage, text
One or more in sheet, 3D models, URI addresses.
Preferably, the target image to institute's frame choosing is tracked, using CamShift algorithms, optical flow tracking and grain
One kind in sub- filtering algorithm.
Preferably, also wrapped whether before camera display picture upper ledge selects target image step in the detection user
Include：Carried out in camera display picture it is multipair as detection, by the one or more objects detected, frame is elected respectively, for
Family carries out target image selection.
Accordingly, present invention also offers a kind of special efficacy video generator, including：
Video record module, for calling camera to carry out video record；
Detection module, for before recorded video or during video record, whether detection user to be in camera display picture
Face upper ledge selects target image；
Tracking module, for detecting that user selects target image in camera display picture upper ledge when detection module, then from
Frame selects frame to start to be tracked the target image of institute's frame choosing, and during video record, will track successful frame of video figure
Frame number, the target image band of position write-in track data file of picture；
Data package module, for the partial result processing mode selected by user and the track data file to be packed
Special effects data file is formed, and the original video of recording is merged with the special effects data Document encapsulation, generates special efficacy video；Institute
State data package module internal memory and contain a variety of partial result processing modes, the partial result processing mode include picture distortion,
Mosaic processing, amplification, superposition picture, color is rendered, colourity adjust, light and shade adjust in one or more modes.
Preferably, the data package module is additionally operable to put on user the enhancing data of target image and is packaged in special efficacy
In data file, the enhancing data include interactive elements and or alternative events, and wherein interactive elements include image, audio, net
One or more in page, text, 3D models, URI addresses.
Preferably, the detection module, it is additionally operable to before video record or during video record, show in camera
Carried out on picture it is multipair as detection, by the one or more objects detected, frame is elected respectively, for user carry out target image
Selection.
Accordingly, the present invention also provides a kind of special efficacy video player, including：
Data resolution module, for parsing special efficacy video data, obtain former video data and special effects data file；
Video decoding module, for being decoded and being played to former video data；
Special efficacy processing module, in video display process, reading special effects data file, being referred to according to special effects data file
Fixed partial result processing mode, partial result processing is carried out to target image in each frame.
Preferably, the special efficacy video player also includes rendering module, or rendering module and alternative events respond module：
The rendering module, for reading the enhancing data in special effects data file, according to target area positional information,
Enhancing data corresponding to the respective objects zone rendering output of associated frame；
The alternative events respond module, in video display process, monitoring and responding the interaction request of user, directly
Finished to video playback.
Compared with prior art, the present invention has the advantages that：
The present invention is especially suitable for mobile terminal to carry out short video capture, can be directed to video and locally carry out special effect processing, can be full
Sufficient users ' individualized requirement, such as very easily beat the Local treatments such as mosaic for face in shooting process, it is not necessary to it will regard
Frequency carries out post-production frame by frame again after recording.Further, since the special efficacy video that the present invention generates is by the original video of recording
Merged with the special effects data Document encapsulation, original video can be extracted again from special efficacy video, user can be again by this
Section video fills other effects.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings：
Fig. 1 is the schematic flow sheet of special efficacy video generation method of the embodiment of the present invention；
Fig. 2 is that special efficacy video generation method center of the embodiment of the present invention selects target image schematic diagram；
Fig. 3 is that tracking box selects target image schematic diagram in special efficacy video generation method of the embodiment of the present invention；
Fig. 4 is that video partial result handles schematic diagram in special efficacy video generation method of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Below in conjunction with accompanying drawing, the embodiment of the present invention is described.
Referring to Fig. 1, it is a kind of special efficacy video generation method schematic flow sheet of the embodiment of the present invention, comprises the following steps：
S101：Before recorded video or during video record, whether detection user in camera display picture upper ledge selects mesh
Logo image；
S102：If detecting that user has selected target image in camera display picture upper ledge in step S101 steps, from
Frame selects frame to start to be tracked the target image of institute's frame choosing, and during video record, will track successful frame of video figure
Frame number, the target image band of position write-in track data file of picture；The target image to institute's frame choosing is tracked, and is used
One kind in CamShift algorithms, optical flow tracking and particle filter algorithm；
S103：After video record terminates, by the partial result processing mode selected by user and the track data file
Special effects data file is packed into, and the original video of recording is merged with the special effects data Document encapsulation, generation special efficacy regards
Frequently.The partial result processing mode include picture distortion, mosaic processing, amplification, be superimposed picture, color is rendered, colourity is adjusted
One or more modes in section, light and shade regulation.
In the present embodiment, the tracking of target image also giving for change including tracked region in S102 steps, giving for change to use
Matching process (TLD, the TRACKING-L EARNING- of conventional feature matching method (such as ORB) or sliding window traversal
DETECTION).When tracking loss and can not give for change (such as continuous 5 frame is not all given for change, you can think that it tracks loss and can not looked for
Return), prompt user that frame selects target again；Or when tracking loss can not be given for change, user's first time frame is selected into target image with after
Continuous frame carries out images match, and tracking is re-established after the match is successful.
In the present embodiment, when detecting that user selects target image in camera display picture upper ledge, display box selects frame, and
During succeeding target image trace, continuously display frame selects frame.Such as：Subscriber frame selects the signal of target image in step S101
Figure can be found in Fig. 2, and target following schematic diagram can be found in Fig. 3 in step S102, and local special effect processing effect can join in step S103
See that Fig. 4, Fig. 4 are illustrated that and processing is amplified to target image (eyes).
Preferably, the present embodiment special efficacy video generation method also includes：User is put on to the enhancing data of target image
Be bundled in special effects data file, it is described enhancing data include interactive elements and or alternative events, wherein interactive elements can be
Image, audio, webpage, text, 3D models, URI addresses etc., such as the word tag on Fig. 4 schematic diagrames.
In another preferred embodiment, in order that target image selection is more intelligent, whether taken the photograph in the detection user
Before selecting target image step as head display picture upper ledge, can be carried out in camera display picture it is multipair as detection, will examine
The one or more objects measured respectively elect by frame, carries out target image selection for user, user can realize by clicking on
The frame choosing of target image.
The embodiment of the present invention additionally provides a kind of special efficacy video generator, including following module：
Video record module, for calling camera to carry out video record；
Detection module, for before recorded video or during video record, whether detection user to be in camera display picture
Face upper ledge selects target image；
Tracking module, for detecting that user selects target image in camera display picture upper ledge when detection module, then from
Frame selects frame to start to be tracked the target image of institute's frame choosing, and during video record, will track successful frame of video figure
Frame number, the target image band of position write-in track data file of picture；
Data package module, for the partial result processing mode selected by user and the track data file to be packed
Special effects data file is formed, and the original video of recording is merged with the special effects data Document encapsulation, generates special efficacy video；Institute
State data package module internal memory and contain a variety of partial result processing modes, the partial result processing mode include picture distortion,
Mosaic processing, amplification, superposition picture, color is rendered, colourity adjust, light and shade adjust in one or more modes.
In another preferred embodiment, in order that target image selection is more intelligent, the detection module, be additionally operable to regarding
Frequency record before or video record during, carried out in camera display picture it is multipair as detection, by detect one or
Multiple objects respectively elect by frame, carries out target image selection for user, user can realize the frame of target image by clicking on
Choosing.
The embodiment of the present invention additionally provides a kind of special efficacy video player, including：
Data resolution module, for parsing special efficacy video data, obtain former video data and special effects data file；
Video decoding module, for being decoded and being played to former video data；
Special efficacy processing module, in video display process, reading special effects data file, being referred to according to special effects data file
Fixed partial result processing mode, partial result processing is carried out to target image in each frame.
In another embodiment, the special efficacy video player also includes rendering module, and rendering module is used to read special efficacy
Enhancing data in data file, according to target area positional information, exported in the respective objects zone rendering of associated frame corresponding
Enhancing data.
In another embodiment, the special efficacy video player also both includes rendering module, in addition to alternative events response
Module, alternative events respond module, in video display process, monitoring and responding the interaction request of user, until video
Finish.
The present invention is especially suitable for mobile terminal to carry out short video capture, can be directed to video and locally carry out special effect processing, can be full
Sufficient users ' individualized requirement, such as very easily beat the Local treatments such as mosaic for face in shooting process, it is not necessary to it will regard
Frequency carries out post-production frame by frame again after recording.Further, since the special efficacy video that the present invention generates is by the original video of recording
Merged with the special effects data Document encapsulation, original video can be extracted again from special efficacy video, user can be again by this
Section video fills other effects.
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
The invention is not limited in foregoing embodiment.The present invention, which expands to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
- A kind of 1. special efficacy video generation method, it is characterised in that including：Before recorded video or during video record, whether detection user in camera display picture upper ledge selects target image；If so, be then tracked since frame selects frame to the target image of institute frame choosing, and during video record, will tracking into Frame number, the target image band of position write-in track data file of the video frame images of work(；After video record terminates, the partial result processing mode selected by user and the track data file are packed into spy Data file is imitated, and the original video of recording is merged with the special effects data Document encapsulation, generates special efficacy video, the special efficacy Video can be resolved to the original video and the special effects data file, and in the playing process of the original video In, the partial result processing mode and frame number, the mesh of the successful video frame images of tracking specified according to the special effects data file The logo image band of position, partial result processing is carried out to target image in each frame.
- 2. special efficacy video generation method as claimed in claim 1, it is characterised in that the partial result processing mode includes picture Face distortion, mosaic processing, amplification, superposition picture, color is rendered, colourity adjust, light and shade adjust in one or more modes.
- 3. special efficacy video generation method as claimed in claim 2, it is characterised in that methods described also includes：User is applied It is bundled in the enhancing data of target image in special effects data file, the enhancing data include interactive elements and or interaction thing Part, wherein interactive elements include the one or more in image, audio, webpage, text, 3D models, URI addresses.
- 4. special efficacy video generation method as claimed any one in claims 1 to 3, it is characterised in that described to the choosing of institute frame Target image is tracked, using one kind in CamShift algorithms, optical flow tracking and particle filter algorithm.
- 5. special efficacy video generation method as claimed in claim 4, it is characterised in that in the detection user whether in camera Before display picture upper ledge selects target image step, in addition to：Carried out in camera display picture it is multipair as detection, by the one or more objects detected, frame is elected respectively, supply User carries out target image selection.
- A kind of 6. special efficacy video generator, it is characterised in that including：Video record module, for calling camera to carry out video record；Detection module, for before recorded video or during video record, whether user to be in camera display picture for detection Frame selects target image；Tracking module, for detecting that user selects target image in camera display picture upper ledge when detection module, then selected from frame Frame starts to be tracked the target image of institute's frame choosing, and during video record, will track successful video frame images Frame number, target image band of position write-in track data file；Data package module, for the partial result processing mode selected by user and the track data file to be packed into Special effects data file, and the original video of recording is merged with the special effects data Document encapsulation, generate special efficacy video, the spy Effect video can be resolved to the original video and the special effects data file, and in the playing process of the original video In, the partial result processing mode and frame number, the mesh of the successful video frame images of tracking specified according to the special effects data file The logo image band of position, partial result processing is carried out to target image in each frame；The data package module internal memory contains more Kind of partial result processing mode, the partial result processing mode include picture distortion, mosaic processing, amplification, be superimposed picture, Color is rendered, colourity is adjusted, one or more modes in light and shade regulation.
- 7. special efficacy video generator as claimed in claim 6, it is characterised in that the data package module is additionally operable to user The enhancing data for putting on target image are packaged in special effects data file, and the enhancing data include interactive elements and or friendship Mutual event, wherein interactive elements include the one or more in image, audio, webpage, text, 3D models, URI addresses.
- 8. special efficacy video generator as claimed in claims 6 or 7, it is characterised in that the detection module, be additionally operable in video Before recording or during video record, carried out in camera display picture it is multipair as detection, by detect one or more Individual object respectively elected by frame, and target image selection is carried out for user.
- A kind of 9. special efficacy video player, it is characterised in that including：Data resolution module, for parsing special efficacy video data, obtain former video data and special effects data file, special effects data text When part record has to the partial result processing mode of target image and target image in former video data is tracked tracking into The frame number of the video frame images of work(, the target image band of position；Video decoding module, for being decoded and being played to former video data；Special efficacy processing module, in video display process, reading special effects data file, being specified according to special effects data file The frame number of partial result processing mode and the successful video frame images of tracking, the target image band of position, to target in each frame Image carries out partial result processing.
- 10. special efficacy video player as claimed in claim 9, it is characterised in that the special efficacy video player also includes wash with watercolours Contaminate module, or rendering module and alternative events respond module：Rendering module, for reading the enhancing data in special effects data file, according to target area positional information, in associated frame Enhancing data corresponding to the output of respective objects zone rendering；Alternative events respond module, in video display process, monitoring and responding the interaction request of user, until video is broadcast Discharge complete.
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| CN107682688B (en) * | 2015-12-30 | 2020-02-07 | 视辰信息科技(上海)有限公司 | Video real-time recording method and recording equipment based on augmented reality |
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| CN109754383A (en) * | 2017-11-08 | 2019-05-14 | 中移（杭州）信息技术有限公司 | A kind of generation method and equipment of special efficacy video |
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| CN110300275B (en) * | 2018-03-21 | 2021-09-21 | 腾讯科技（深圳）有限公司 | Video recording and playing method, device, terminal and storage medium |
| CN109089058B (en) * | 2018-07-06 | 2021-05-11 | 广州方硅信息技术有限公司 | Video picture processing method, electronic terminal and device |
| CN109660784A (en) * | 2018-11-30 | 2019-04-19 | 深圳市灼华互娱科技有限公司 | Special effects data treating method and apparatus |
| CN111355879B (en) * | 2018-12-24 | 2021-06-15 | 北京小米移动软件有限公司 | Image acquisition method and device containing special effect pattern and electronic equipment |
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| CN112116690B (en) * | 2019-06-19 | 2023-07-07 | 腾讯科技（深圳）有限公司 | Video special effect generation method, device and terminal |
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