CN104184960A - Method for carrying out special effect processing on video file - Google Patents
Method for carrying out special effect processing on video file Download PDFInfo
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- CN104184960A CN104184960A CN201410408612.4A CN201410408612A CN104184960A CN 104184960 A CN104184960 A CN 104184960A CN 201410408612 A CN201410408612 A CN 201410408612A CN 104184960 A CN104184960 A CN 104184960A
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Abstract
The invention discloses a method for carrying out special effect processing on a video file. According to the method, a video to be processed is segmented, the number of the sections of the sectioned video, the length of each section of the video, the filter effect of processing of each section of the video and the playing sequence of the sections of the video are defined, then redeployment special effects between sections of the video are set, redeployment special effect processing results are displayed so that a user can preview and switch over the results, ultimately the video file to be processed is reorganized and stored according to the definition of the sections of the video, the playing sequence and the redeployment special effect selected at last, and accordingly automatic editing of the video is achieved. The user does not need to spend too much learning cost.
Description
Technical field
The present invention relates to a kind of video editing method, particularly a kind of method of video file being carried out to special effect processing.
Background technology
Current, mobile device substantially all carries camera, and we also often utilize camera to take pictures to record the moment fine in life with video.Although everyone can capture video, the video clip that take is very difficult concerning we common user.How the video of having taken is carried out to transition processing, obtaining every section of video, can both to become sheet be the problem that each domestic consumer pays close attention to most.
Summary of the invention
The present invention, for addressing the above problem, provides a kind of method of video file being carried out to special effect processing, and it utilizes the method for transition automatically to reintegrate video file, without the too many time and efforts of user effort.
For achieving the above object, the technical solution used in the present invention is:
A method of video file being carried out to special effect processing, is characterized in that, comprises the following steps:
10. select pending video file;
Pending video described in 20. pairs carries out segmentation, and defines the filter effect of the length of the hop count of video segmentation, every section of video, every section of Video processing, the playing sequence of every section of video;
30. arrange the transition special effective between every section of video, and show that transition special effective result carries out preview and switching to user;
40. process pending video file are reintegrated and preserved according to the described definition to video segmentation, playing sequence and the last transition special effective of selecting.
Preferably, if there is breakpoint in pending video, inquire whether user retains breakpoint, if so, breakpoint is arranged to transition cartoon, otherwise delete breakpoint.
Preferably, if there is breakpoint in pending video, from this breakpoint, video is carried out to segmentation.
Preferably, the filter in the filter effect of every section of Video processing is processed one or more that mainly comprise following processing: curve processing, color range processing, luminance contrast processing, saturation processing, Fuzzy Processing, selective color processing, material mixed processing, threshold process, the high light processing of shade, color balance processing, exposure processing.
Preferably, the transition special effective between every section of video being set in described step 30, is mainly that the animation time and the animation form that use are switched in the transition arranging between every section of video.
Preferably, the animation form that described transition is switched comprises: smoothly fade out, cut out, dissolve, replacement, release, fan out, box-like contraction, box-like expansion, circle, rhombus, shutter, kaleidoscope.
Preferably, the animation form that described transition is switched comprises: video flowing is carried out to Fuzzy Processing, filter processing, convergent-divergent processing, displacement processing, rotation processing.
Preferably, described pending video is the video that user takes in advance, or the video that completes of user's current shooting.
Preferably, the transition special effective between every section of video being set in described step 30, can be by systemic presupposition or by User Defined, and each transition special effective is selected and switches for user with tabular form.
The invention has the beneficial effects as follows:
A kind of method of video file being carried out to special effect processing of the present invention, it is by carrying out segmentation to pending video, and define the hop count of video segmentation, the length of every section of video, the playing sequence of every section of video, then transition special effective between every section of video is set, and show that transition special effective result carries out preview and switching to user, last according to the described definition to video segmentation, playing sequence and the last transition special effective of selecting are processed pending video file are reintegrated and preserved, thereby realize the automatic editor of video, user need not spend too large learning cost.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of general flow chart that video file is carried out to the method for special effect processing of the present invention.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, clear, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Transition, refers to transition or conversion between paragraph and paragraph, scene and scene.The method of transition is a lot, connected mode, can be divided into skill transition with without skill transition.The present invention is by carrying out segmentation to pending video, and define the hop count of video segmentation, the length of every section of video, the playing sequence of every section of video, then transition special effective between every section of video is set, and show that transition special effective result carries out preview and switching to user, last according to the described definition to video segmentation, breakpoint is processed and the last transition special effective processing of selecting is reintegrated and preserved pending video file, thereby utilize steering method automatically to process the video of having taken, realize the automatic editor of video, user need not spend too large learning cost.
Below in conjunction with accompanying drawing, concrete steps are described, as shown in Figure 1, comprise the following steps:
10. select pending video file;
Pending video described in 20. pairs carries out segmentation, and defines the filter effect of the length of the hop count of video segmentation, every section of video, every section of Video processing, the playing sequence of every section of video;
30. arrange the transition special effective between every section of video, and show that transition special effective result carries out preview and switching to user;
40. process pending video file are reintegrated and preserved according to the described definition to video segmentation, playing sequence and the last transition special effective of selecting.
Described pending video is the video that user takes in advance, or the video that completes of user's current shooting.If there is breakpoint in pending video, inquire whether user retains breakpoint, if so, breakpoint is arranged to transition cartoon, otherwise delete breakpoint.Or, if there is breakpoint in pending video, from this breakpoint, video is carried out to segmentation.
Filter in the filter effect of every section of Video processing in described step 20 is processed one or more that mainly comprise following processing: curve processing, color range processing, luminance contrast processing, saturation processing, Fuzzy Processing, selective color processing, material mixed processing, threshold process, the high light processing of shade, color balance processing, exposure processing.
Transition special effective between every section of video is set in described step 30, is mainly that the animation time and the animation form that use are switched in the transition arranging between every section of video, makes video connect transition more natural, can be too not stiff; Described animation form comprises: smoothly fade out, cut out, dissolve, replacement, release, fan out, box-like contraction, box-like expansion, circle, rhombus, shutter, kaleidoscope; The animation form that described transition is switched also comprises: video flowing is carried out to Fuzzy Processing, filter processing, convergent-divergent processing, displacement processing, rotation processing etc.
Described Fuzzy Processing is selected: one or more combinations of intermediate value Fuzzy Processing, Gaussian Blur processing, average Fuzzy Processing, process of convolution.
Intermediate value Fuzzy Processing, it is medium filtering processing, mainly that the color value of pixel to be processed N*N template pixel is around carried out to sequence from big to small or from small to large, that middle color value after obtaining sorting, be median, then the color value of this pixel is set to the color value of its median; Wherein, N is fuzzy radius.
Gaussian Blur processing, is mainly the conversion that adopts each pixel in normal distribution computed image, wherein, at the normal distribution equation of N dimension space is:
Normal distribution equation at two-dimensional space is:
Wherein r is blur radius, r
2=u
2+ v
2, σ is the standard deviation of normal distribution, and u is the position deviant of former pixel on x axle, and v is the position deviant of former pixel on y axle.
Average Fuzzy Processing is typical linear filtering algorithm, and it refers on image that to object pixel, to a template, this template has comprised its adjacent pixels around; This adjacent pixels refers to 8 pixels of surrounding centered by target pixel, forms a Filtering Template, removes target pixel itself; Replace original pixel value with the mean value of all pixels in template again.
Process of convolution: convolution is the operation that each element in matrix is carried out, the function that convolution realizes is to be determined by the form of its convolution kernel, convolution kernel is the matrix that a size fixes, has numerical parameter to form, and the center of matrix is reference point or anchor point, and the size of matrix is called core and supports; Calculate the color value after the convolution of a pixel, first the reference point of core is navigated to this pixel, all the other elements of core cover part corresponding in matrixes point around; For the pixel in each core, obtain the product of the value of specified point in the value of this pixel and convolution kernel array and ask the cumulative sum of all these products, i.e. the convolution value of this specified point, substitutes the color value of this pixel by this result; By mobile convolution kernel on whole image, each pixel of image is repeated to this operation.
Described filter is processed one or more that mainly comprise following processing: curve processing, color range processing, luminance contrast processing, saturation processing, Fuzzy Processing, selective color processing, material mixed processing, threshold process, the high light processing of shade, color balance processing, exposure processing.
Transition special effective between every section of video is set in described step 30, can be by systemic presupposition or by User Defined, and each transition special effective is selected and switches for user with tabular form; In the time clicking a certain item of transition list, call this corresponding steering method and video file to be processed is carried out to the preview of effect; In the time of the dissatisfied current effect of user, again click other transitions and will carry out the automatic switchover of effect; In the time that user is switched to the video effect oneself being satisfied with, can preserve the preservation of carrying out this video file by click.
Be described below in conjunction with embodiment:
In the first embodiment, if when pending video exists breakpoint, retain all breakpoints, and former video ALL is divided into 3 sections, be labeled as 1., 2., 3.; Then, 3. part forwards foremost to, 3. in part front 20 frames of first second (30 frames/s) content is not made and is changed, 3. after removing this 20 frame in, remainder is defined as X, X is the transformable transition time, is being below 3. content 2., 2. in first second front 18 content frames constant, all the other X are the transformable transition time, and ALL-X is remainder.Wherein the transition of X part is dual input transition, and breakpoint place transition in former video ALL be single transition of inputting, and in the time that former breakpoint is greater than 2, gets any two non-conterminous breakpoints and do transition.
In the second embodiment, if pending video does not exist the situation of any breakpoint, i.e. a record on earth, goes breakpoint to do single input transition at 1/2 place of ALL part.
In the third embodiment, if when the recording time of pending video is less than 4 seconds, first former video ALL is divided into 3 sections, be labeled as 1., 2., 3., 3. part forwards foremost to, 3. in part front 15 frames of first second (30 frames/s) content is not made and is changed, 3. after removing this 15 frame in, remainder is defined as X, X is the transformable transition time, 3. be content 2. below, 2. in, in first second, front 3 content frames are constant, and all the other X are the transformable transition time, and ALL-X is remainder.Wherein the transition of X part is dual input transition, and breakpoint place transition in former video ALL be single transition of inputting, and in the time that former breakpoint is greater than 2, gets any two non-conterminous breakpoints and do transition.
Above-mentioned explanation illustrates and has described the preferred embodiments of the present invention, be to be understood that the present invention is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, amendment and environment, and can, in invention contemplated scope herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not depart from the spirit and scope of the present invention, all should be in the protection range of claims of the present invention.
Claims (9)
1. a method of video file being carried out to special effect processing, is characterized in that, comprises the following steps:
10. select pending video file;
Pending video described in 20. pairs carries out segmentation, and defines the filter effect of the length of the hop count of video segmentation, every section of video, every section of Video processing, the playing sequence of every section of video;
30. arrange the transition special effective between every section of video, and show that transition special effective result carries out preview and switching to user;
40. process pending video file are reintegrated and preserved according to the described definition to video segmentation, playing sequence and the last transition special effective of selecting.
2. a kind of method of video file being carried out to special effect processing according to claim 1, is characterized in that: if there is breakpoint in pending video, inquire whether user retains breakpoint, if so, breakpoint is arranged to transition cartoon, otherwise delete breakpoint.
3. a kind of method of video file being carried out to special effect processing according to claim 1, is characterized in that: if there is breakpoint in pending video, from this breakpoint, video is carried out to segmentation.
4. a kind of method of video file being carried out to special effect processing according to claim 1, is characterized in that: the filter in the filter effect of every section of Video processing is processed one or more that mainly comprise following processing: curve processing, color range processing, luminance contrast processing, saturation processing, Fuzzy Processing, selective color processing, material mixed processing, threshold process, the high light processing of shade, color balance processing, exposure processing.
5. a kind of method of video file being carried out to special effect processing according to claim 1, it is characterized in that: the transition special effective between every section of video is set in described step 30, is mainly that the animation time and the animation form that use are switched in the transition arranging between every section of video.
6. a kind of method of video file being carried out to special effect processing according to claim 5, is characterized in that: the animation form that described transition is switched comprises: smoothly fade out, cut out, dissolve, replacement, release, fan out, box-like contraction, box-like expansion, circle, rhombus, shutter, kaleidoscope.
7. a kind of method of video file being carried out to special effect processing according to claim 5, is characterized in that, the animation form that described transition is switched comprises: video flowing is carried out to Fuzzy Processing, filter processing, convergent-divergent processing, displacement processing, rotation processing.
8. a kind of method of video file being carried out to special effect processing according to claim 1, is characterized in that: described pending video is the video that user takes in advance, or the video that completes of user's current shooting.
9. a kind of method of video file being carried out to special effect processing according to claim 1, it is characterized in that: the transition special effective between every section of video is set in described step 30, can be by systemic presupposition or by User Defined, each transition special effective be selected and switches for user with tabular form.
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| CN104536763A (en) * | 2015-01-08 | 2015-04-22 | 炫彩互动网络科技有限公司 | Method for implementing online game simulating reality |
| CN104980665A (en) * | 2015-06-29 | 2015-10-14 | 北京金山安全软件有限公司 | Multi-video-clip merging method and multi-video-clip merging device |
| CN105072486A (en) * | 2015-08-24 | 2015-11-18 | 北京金山安全软件有限公司 | Method and device for adding visual effect to spliced video |
| CN105224177A (en) * | 2015-09-30 | 2016-01-06 | 努比亚技术有限公司 | A kind of mobile terminal and application icon redraw method |
| CN105786395A (en) * | 2016-04-07 | 2016-07-20 | 广州华多网络科技有限公司 | Method, device and system for direct broadcasting room switching based on mobile terminal |
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| CN108024071A (en) * | 2017-11-24 | 2018-05-11 | 腾讯数码（天津）有限公司 | Video content generation method, video content generating means and storage medium |
| CN109451360A (en) * | 2018-11-02 | 2019-03-08 | 北京亿幕信息技术有限公司 | Video transition effects method and engine |
| CN109996011A (en) * | 2017-12-29 | 2019-07-09 | 深圳市优必选科技有限公司 | video editing device and method |
| CN110650304A (en) * | 2019-10-23 | 2020-01-03 | 维沃移动通信有限公司 | Video generation method and electronic equipment |
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| CN112312201A (en) * | 2020-04-09 | 2021-02-02 | 北京沃东天骏信息技术有限公司 | Method, system, device and storage medium for video transition |
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| CN115484424A (en) * | 2021-06-16 | 2022-12-16 | 荣耀终端有限公司 | Transition processing method of video data and electronic equipment |
| WO2022262537A1 (en) * | 2021-06-16 | 2022-12-22 | 荣耀终端有限公司 | Transition processing method for video data and electronic device |
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Application publication date: 20141203 |