CN105227862A - Can the video recombination system of auto Segmentation camera lens and video recombination method thereof - Google Patents

Can the video recombination system of auto Segmentation camera lens and video recombination method thereof Download PDF

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Publication number
CN105227862A
CN105227862A CN201510587729.8A CN201510587729A CN105227862A CN 105227862 A CN105227862 A CN 105227862A CN 201510587729 A CN201510587729 A CN 201510587729A CN 105227862 A CN105227862 A CN 105227862A
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video
camera lens
transition
reformer
storehouse
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CN201510587729.8A
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Chinese (zh)
Inventor
刘惠彬
向珏良
周晶
胡浩民
王泽杰
张晓梅
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Shanghai University of Engineering Science
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Shanghai University of Engineering Science
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Abstract

The present invention relates to multimedia information field, providing can the video recombination system of auto Segmentation camera lens and video recombination method thereof, comprising: cutting processor is connected with original video storehouse, reformer respectively; Generate and be connected with reformer with memory module.Video recombination method comprises: user opens original video storehouse, therefrom extracts the video needing to carry out processing; Cutting processor carries out automatic lens segmentation to this video, obtains independently video processing unit; The single video special efficacy storehouse of reformer, replacement background module, many vision operations mould carry out alignment processing to video processing unit soon respectively; The delivery of video handled well, to generation and memory module, carries out storing and playing.The present invention is easy for installation, low to System Hardware Requirement, auto Segmentation camera lens, single video special effect processing can be realized in identical platform, replace the operation such as background, many video mix, ensure the efficiency of video recombination system process video and possess more perfect functional.

Description

Can the video recombination system of auto Segmentation camera lens and video recombination method thereof
Technical field
The present invention relates to multimedia information field, particularly can the video recombination system of auto Segmentation camera lens and video recombination method thereof.
Background technology
Existing video processor great majority all require that first user carries out manual segmentation to video, and then add the process such as video transition, special video effect again, need to spend the plenty of time to carry out video cutting work in earlier stage for domestic consumer.Particularly along with the continuous upgrading of multimedia collection, memory device, video field is faced with analysis, the processing demands of mass data.
Minority video processor, though the function possessing auto Segmentation camera lens, but has much room for improvement in accuracy rate and time complexity.Common business software all has higher requirements in installation environment, Financial cost, does not meet the demand towards the universality education and instruction of college student.
Therefore, multimedia information field be badly in need of a kind of can the video recombination system of auto Segmentation camera lens and video recombination method thereof, easy for installation, low to System Hardware Requirement, auto Segmentation camera lens, single video special effect processing can be realized in identical platform, replace the operation such as background, many video mix, ensure the efficiency of video recombination system process video and possess more perfect functional.
Summary of the invention
The invention provides can the video recombination system of auto Segmentation camera lens and video recombination method thereof, and technical scheme is as follows:
Can the video recombination system of auto Segmentation camera lens, comprising: original video storehouse, cutting processor, reformer, generation and memory module;
Cutting processor, is connected with original video storehouse, reformer respectively;
Generate and memory module, be connected with reformer;
Reformer, comprises single video special efficacy storehouse, replacement background module and many vision operations mould fast.
Preferably, above-mentioned can in the video recombination system of auto Segmentation camera lens, many vision operations mould also comprises soon: insert video module, mixed video module and transitions storehouse.
Can the video recombination method of video recombination system of auto Segmentation camera lens, comprise the steps:
Step one, user opens original video storehouse, therefrom extracts the video needing to carry out processing;
Step 2, cutting processor carries out automatic lens segmentation to this video after receiving and needing video to be processed, obtains independently video processing unit, and independently will pass to reformer by video processing unit;
Step 3, the single video special efficacy storehouse of reformer, replacement background module, the fast alignment processing of respectively video processing unit being carried out to single video special efficacy, replacement background, many vision operations of many vision operations mould;
Step 4, the delivery of video in the step 3 of reorganized device process, to generation and memory module, carries out storing and playing after being re-generated by the video in step 3.
Preferably, above-mentioned can auto Segmentation camera lens video recombination system video recombination method in, in step 3 reformer single video special efficacy storehouse, replace that background module, many vision operations mould carry out single video special efficacy to video processing unit respectively soon, replace background, the concrete steps of the alignment processing of many vision operations are:
Step 301, has judged whether replacement background command in reformer, if had, imports second segment video, performs step 302 after replacing background, if not, directly perform 302;
Step 302, the order of selecting to insert video or mixed video is judged whether in reformer, if there is insertion video commands, then import second segment video, after first paragraph video trailer place inserts new video, perform step 303, if there is mixed video order, then import second segment video, the color value of 2 sections of videos is undertaken mixing rear execution step 303 by equal proportion, if do not select the order of inserting video and mixed video, directly performs step 303;
Step 303, judges whether the order adding transition special effective, if had, selects transitions, after completing transition, terminate the vision operation in reformer in reformer, if not, directly terminated.
Preferably, above-mentioned can auto Segmentation camera lens video recombination system video recombination method in, in step 3 under replacement background module, former video is capture video under blue curtain, after importing background video, utilizes blue curtain technology the background of former video to be replaced.
Preferably, above-mentioned can auto Segmentation camera lens video recombination system video recombination method in, in step 3 under many vision operations module, comprise and insert video, mixed video and interpolation transition, inserting video is by 2 sections of video direct splicing, mixed video is superposed according to translucent effect by 2 sections of videos, add transition add between 2 sections of videos according to certain algorithm fade in, fade out, wipe, put under mark, black field transition effect.
Preferably, above-mentioned can auto Segmentation camera lens video recombination system video recombination method in, adding the specific algorithm of transition is:
represent that last camera lens exists moment pixel (x, y) characteristic of correspondence value, after being, a camera lens exists moment pixel (x, y) characteristic of correspondence value, the change function of last camera lens, the change function of a camera lens after being, represent the result after adding transition;
As long as the change function of given two videos of user , and the value i.e. camera lens that can realize with transitions recombinated; During the transitions that interpolation is faded in, fade out, represent the function that video image brightness value is diminished gradually, represent the function making video image brightness value become large gradually, be zero, namely be one and fade out the gradual change come out gradually; Insertion video and mixed video can regard the special case of transitions as, according to the requirement in time domain, make , equal the Time Domain Piecewise function in [0,1] scope, can complete and insert video and mixed video effect;
And some transitions has certain Changing Pattern on locus, put under to mark and just belong to this type of, further, camera lens is spliced formula and expands to:
, represent the change function relevant with position, when the transition of camera lens is only relevant to time-domain, c is constant 1.
Preferably, above-mentioned can auto Segmentation camera lens video recombination system video recombination method in, in step 3 under video transition module, comprise: locus transition and time transition, locus transition refers to there is certain Changing Pattern on locus, and time transition only refers to the transitions of countershaft change at any time.
Preferably, above-mentioned can auto Segmentation camera lens video recombination system video recombination method in, the transition of described locus marks transition for putting under.
Preferably, above-mentioned can auto Segmentation camera lens video recombination system video recombination method in, described time transition is for fading out the transition that comes out gradually.
The invention has the beneficial effects as follows:
1, cutting processor provided by the invention merges multiple shot segmentation algorithm, achieve the auto Segmentation of video lens efficiently and accurately, revolutionize the traditional working mode of conventional video processing platform manual segmentation, efficiently solve the inaccurate problem of single lens automatic Segmentation, improve operating efficiency.
2, the lens detection method of single algorithm realization is adopted, easily there is error detection phenomenon, prior art adopts a kind of algorithm and pixel comparison method to carry out Shot Detection mostly, the converted quantity of the pixel value that more adjacent two frames are corresponding determines shot boundary, pixel comparison method to noise and camera lens or object of which movement all very responsive, because the position of what it was strict be confined to pixel, noise and object of which movement all can make frame-to-frame differences increase, thus cause flase drop, therefore, only in this way, the accuracy rate of Shot Detection will be reduced.Cutting processor of the present invention utilizes the method for two-dimensional pattern matching to carry out second time and detects on the basis of pixel comparison method, the pattern that two-dimensional pattern matching extracts is actual is the subgraph of picture frame after binaryzation, these patterns are vied each other the main String matching with bianry image, add up the coupling number of each pattern, just because of coupling is the subgraph of picture frame; Compared with prior art reduce the time complexity of shot segmentation, ensure that the speed of service of reformer, utilize first time to detect and obtain less preparation shot segmentation frame and detect for the second time obtaining shot segmentation frame accurately, accuracy rate improves a lot.
3, reformer of the present invention provides abundant single video special effect processing, by single video is carried out video adjustment, geometric transformation and individual operation improve video reuse value and visual impact.
4, many videos transitions storehouse of the present invention covers conventional transitions, comprising: fade in/out, fade out and come out gradually, put under and mark, and the classics operation of the video transition of stingy picture and deformation of body animation.
5, the invention solves shot segmentation and single video special efficacy, video to recombinate the problem be separated, the video recombinant technique such as auto Segmentation, background replacement, many video mix of camera lens can be completed in identical platform.
6, present invention reduces hardware requirement and management maintenance cost, there is stronger practicality, can wide popularization and application, the Video processing experimental courses being specially adapted to student uses.
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is that the present invention can the structured flowchart of video recombination system of auto Segmentation camera lens.
Fig. 2 is that the present invention can the flow chart of video recombination method of video recombination system of auto Segmentation camera lens.
Fig. 3 is that the present invention can the flow chart of step 3 of video recombination method of video recombination system of auto Segmentation camera lens.
Wherein, the Reference numeral in Fig. 1-3 and the corresponding relation between component names are:
Original video storehouse 1, cutting processor 2, reformer 3, generates and memory module 4, single video special efficacy storehouse 301, replaces background module 302, many vision operations mould fast 303, inserts video module 3031, mixed video module 3032, transitions storehouse 3033.
Embodiment
Core of the present invention for provide a kind of can the video recombination system of auto Segmentation camera lens and video recombination method thereof, the problem that the accuracy rate of the Shot Detection that the camera lens algorithm solving single algorithm realization causes is very low.
The measure realized to make the technology of the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
Fig. 1 is that the present invention can the structured flowchart of video recombination system of auto Segmentation camera lens.
As shown in Figure 1, the invention provides can the video recombination system of auto Segmentation camera lens, comprising: original video storehouse 1, cutting processor 2, reformer 3, generate and memory module 4; Cutting processor 2, is connected with original video storehouse 1, reformer 3 respectively; Generate and memory module 4, be connected with reformer 3; Reformer 3, comprises single video special efficacy storehouse 301, replaces background module 302 and many vision operations mould fast 303.
In the present embodiment, many vision operations mould fast 303 also comprises: insert video module 3031, mixed video module 3032 and transitions storehouse 3033.
Fig. 2 is that the present invention can the flow chart of video recombination method of video recombination system of auto Segmentation camera lens.
As shown in Figure 2, can the video recombination method of video recombination system of auto Segmentation camera lens, comprise the steps:
Step one, user opens original video storehouse, therefrom extracts the video needing to carry out processing;
Step 2, cutting processor carries out automatic lens segmentation to this video after receiving and needing video to be processed, obtains independently video processing unit, and independently will pass to reformer by video processing unit;
Step 3, the single video special efficacy storehouse of reformer, replacement background module, the fast alignment processing of respectively video processing unit being carried out to single video special efficacy, replacement background, many vision operations of many vision operations mould, concrete steps are:
Fig. 3 is that the present invention can the flow chart of step 3 of video recombination method of video recombination system of auto Segmentation camera lens;
As shown in Figure 3, step 301, has judged whether replacement background command in reformer, if had, imports second segment video, performs step 302 after replacing background, if not, directly perform 302, the concrete steps of replacing background are;
Under replacement background module, former video is capture video under blue curtain, after importing background video, utilizes blue curtain technology the background of former video to be replaced;
Step 302, the order of selecting to insert video or mixed video is judged whether in reformer, if there is insertion video commands, then import second segment video, after first paragraph video trailer place inserts new video, perform step 303, if there is mixed video order, then import second segment video, the color value of 2 sections of videos is undertaken mixing rear execution step 303 by equal proportion, if do not select the order of inserting video and mixed video, directly performs step 303;
Inserting video is by 2 sections of video direct splicing, and mixed video is superposed according to translucent effect by 2 sections of videos, add transition add between 2 sections of videos according to certain algorithm fade in, fade out, wipe, black field transition effect;
In the present embodiment, the specific algorithm adding transition is:
represent that last camera lens exists moment pixel (x, y) characteristic of correspondence value, after being, a camera lens exists moment pixel (x, y) characteristic of correspondence value, the change function of last camera lens, the change function of a camera lens after being, represent the result after adding transition;
As long as the change function of given two videos of user , and the value i.e. camera lens that can realize with transitions recombinated; During the transitions that interpolation is faded in, fade out, represent the function that video image brightness value is diminished gradually, represent the function making video image brightness value become large gradually, be zero, namely be one and fade out the gradual change come out gradually; Insertion video and mixed video can regard the special case of transitions as, according to the requirement in time domain, make , equal the Time Domain Piecewise function in [0,1] scope, can complete and insert video and mixed video effect;
And some transitions has certain Changing Pattern on locus, put under to mark and just belong to this type of, further, camera lens is spliced formula and expands to:
, represent the change function relevant with position, when the transition of camera lens is only relevant to time-domain, c is constant 1;
Step 303, judges whether the order adding transition special effective, if had, selects transitions, after completing transition, terminate the vision operation in reformer in reformer, if not, directly terminated.
Under video transition module, comprise: locus transition and time transition, locus transition refers to there is certain Changing Pattern on locus, and time transition only refers to the transitions of countershaft change at any time, locus transition marks transition for putting under, and time transition is for fading out the transition that comes out gradually.
Step 4, the delivery of video in the step 3 of reorganized device process, to generation and memory module, carries out storing and playing after being re-generated by the video in step 3.
Be described below in conjunction with concrete video-splicing, concrete accompanying drawing does not provide, and those skilled in the art can understand.
Mixed video: be mix another video file from the video beginning imported, both, with the ratio mixed display of 50%, and produce new video file.
Be fade-in fade-out: in transition transition frames, video first and video second mixed display by a certain percentage, and video 1 fades away, the final all displays of video 2.
Replace background: import the video video as a setting that a section has blue background, then substituted by the pixel value of blue pixel with another video relevant position, realize the display effect being carried out by two sections of videos superposing.
Cutting processor provided by the invention merges multiple shot segmentation algorithm, achieve the auto Segmentation of video lens efficiently and accurately, revolutionize the traditional working mode of conventional video processing platform manual segmentation, efficiently solve the inaccurate problem of single lens automatic Segmentation, improve operating efficiency.
Adopt the lens detection method of single algorithm realization, easily there is error detection phenomenon, prior art adopts a kind of algorithm and pixel comparison method to carry out Shot Detection mostly, the converted quantity of the pixel value that more adjacent two frames are corresponding determines shot boundary, pixel comparison method to noise and camera lens or object of which movement all very responsive, because the position of what it was strict be confined to pixel, noise and object of which movement all can make frame-to-frame differences increase, thus cause flase drop, therefore, only in this way, the accuracy rate of Shot Detection will be reduced.Cutting processor of the present invention utilizes the method for two-dimensional pattern matching to carry out second time and detects on the basis of pixel comparison method, the pattern that two-dimensional pattern matching extracts is actual is the subgraph of picture frame after binaryzation, these patterns are vied each other the main String matching with bianry image, add up the coupling number of each pattern, just because of coupling is the subgraph of picture frame; Compared with prior art reduce the time complexity of shot segmentation, ensure that the speed of service of reformer, utilize first time to detect and obtain less preparation shot segmentation frame and detect for the second time obtaining shot segmentation frame accurately, accuracy rate improves a lot.
Reformer of the present invention provides abundant single video special effect processing, by single video is carried out video adjustment, geometric transformation and individual operation improve video reuse value and visual impact.
Many videos transitions storehouse of the present invention covers conventional transitions, comprising: fade in/out, fade out and come out gradually, put under and mark, and the classics operation of the video transition of stingy picture and deformation of body animation.
The invention solves shot segmentation and single video special efficacy, video to recombinate the problem be separated, the video recombinant technique such as auto Segmentation, background replacement, many video mix of camera lens can be completed in identical platform.
Present invention reduces hardware requirement and management maintenance cost, there is stronger practicality, can wide popularization and application, the Video processing experimental courses being specially adapted to student uses.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.

Claims (10)

1. can the video recombination system of auto Segmentation camera lens, it is characterized in that, comprising: original video storehouse, cutting processor, reformer, generation and memory module;
Described cutting processor, is connected with described original video storehouse, reformer respectively;
Described generation and memory module, be connected with described reformer;
Described reformer, comprises single video special efficacy storehouse, replacement background module and many vision operations mould fast.
2. according to according to claim 1 can the video recombination system of auto Segmentation camera lens, it is characterized in that, described many vision operations mould also comprises soon: insert video module, mixed video module and transitions storehouse.
3. can the video recombination method of video recombination system of auto Segmentation camera lens, it is characterized in that, comprise the steps:
Step one, user opens original video storehouse, therefrom extracts the video needing to carry out processing;
Step 2, cutting processor carries out automatic lens segmentation to this video after receiving and needing video to be processed, obtains independently video processing unit, and independently will pass to reformer by video processing unit;
Step 3, the single video special efficacy storehouse of reformer, replacement background module, the fast alignment processing of respectively video processing unit being carried out to single video special efficacy, replacement background, many vision operations of many vision operations mould;
Step 4, the delivery of video in the step 3 of reorganized device process, to generation and memory module, carries out storing and playing after being re-generated by the video in step 3.
4. according to according to claim 3 can the video recombination method of video recombination system of auto Segmentation camera lens, it is characterized in that, in described step 3 reformer single video special efficacy storehouse, replace that background module, many vision operations mould carry out single video special efficacy to video processing unit respectively soon, replace background, the concrete steps of the alignment processing of many vision operations are:
Step 301, has judged whether replacement background command in reformer, if had, imports second segment video, performs step 302 after replacing background, if not, directly performs described step 302;
Described step 302, the order of selecting to insert video or mixed video is judged whether in reformer, if there is insertion video commands, then import second segment video, after first paragraph video trailer place inserts new video, perform step 303, if there is mixed video order, then import second segment video, the color value of 2 sections of videos is undertaken mixing the described step 303 of rear execution by equal proportion, if do not select the order of inserting video and mixed video, directly performs described step 303;
Described step 303, judges whether the order adding transition special effective, if had, selects transitions, after completing transition, terminate the vision operation in reformer in reformer, if not, directly terminated.
5. according to claim 4 can the video recombination method of video recombination system of auto Segmentation camera lens, it is characterized in that, replace background in described step 301 and refer to that former video is capture video under blue curtain, after importing background video, utilize blue curtain technology the background of former video to be replaced.
6. according to according to claim 3 can the video recombination method of video recombination system of auto Segmentation camera lens, it is characterized in that, in described step 3 under many vision operations module, comprise and insert video, mixed video and interpolation transition, inserting video is by 2 sections of video direct splicing, mixed video is superposed according to translucent effect by 2 sections of videos, add transition add between 2 sections of videos according to certain algorithm fade in, fade out, wipe, put under mark, black field transition effect.
7. according to according to claim 6 can the video recombination method of video recombination system of auto Segmentation camera lens, it is characterized in that, the specific algorithm of described interpolation transition is:
represent that last camera lens exists moment pixel (x, y) characteristic of correspondence value, after being, a camera lens exists moment pixel (x, y) characteristic of correspondence value, the change function of last camera lens, the change function of a camera lens after being, represent the result after adding transition;
As long as the change function of given two videos of user , and the value i.e. camera lens that can realize with transitions recombinated; During the transitions that interpolation is faded in, fade out, represent the function that video image brightness value is diminished gradually, represent the function making video image brightness value become large gradually, be zero, namely be one and fade out the gradual change come out gradually; Insertion video and mixed video can regard the special case of transitions as, according to the requirement in time domain, make , equal the Time Domain Piecewise function in [0,1] scope, can complete and insert video and mixed video effect;
And some transitions has certain Changing Pattern on locus, put under to mark and just belong to this type of, further, camera lens is spliced formula and expands to:
, represent the change function relevant with position, when the transition of camera lens is only relevant to time-domain, c is constant 1.
8. according to according to claim 4 can the video recombination method of video recombination system of auto Segmentation camera lens, it is characterized in that, in described step 303 under video transition effects, comprise: locus transition and time transition, locus transition refers to there is certain Changing Pattern on locus, and time transition only refers to the transitions of countershaft change at any time.
9. according to according to claim 8 can the video recombination method of video recombination system of auto Segmentation camera lens, it is characterized in that, the transition of described locus marks transition for putting under.
10. according to according to claim 8 can the video recombination method of video recombination system of auto Segmentation camera lens, it is characterized in that, described time transition is for fading out the transition that comes out gradually.
CN201510587729.8A 2015-09-16 2015-09-16 Can the video recombination system of auto Segmentation camera lens and video recombination method thereof Pending CN105227862A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107770457A (en) * 2017-10-27 2018-03-06 维沃移动通信有限公司 A kind of video creating method and mobile terminal
CN108737895A (en) * 2018-06-06 2018-11-02 北京酷我科技有限公司 A kind of method that static images synthesize anti-fake video
CN108777814A (en) * 2018-06-06 2018-11-09 北京酷我科技有限公司 A kind of method of static images synthetic video
CN109089159A (en) * 2018-08-27 2018-12-25 深圳艺达文化传媒有限公司 The splicing method for previewing and Related product of promotion video
CN109889738A (en) * 2019-04-02 2019-06-14 张鹏程 A kind of interactive video processing method and processing device
CN109963087A (en) * 2019-04-02 2019-07-02 张鹏程 A kind of multiterminal interdynamic video processing method, apparatus and system
CN110290360A (en) * 2019-08-01 2019-09-27 浙江开奇科技有限公司 Image splicing method and terminal device for panoramic video image
CN112672218A (en) * 2020-12-16 2021-04-16 福州凌云数据科技有限公司 Editing method for batch generation of videos

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Application publication date: 20160106