CN105187756A - Video playing method capable of preventing pirating and copying - Google Patents
Video playing method capable of preventing pirating and copying Download PDFInfo
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- CN105187756A CN105187756A CN201510471133.1A CN201510471133A CN105187756A CN 105187756 A CN105187756 A CN 105187756A CN 201510471133 A CN201510471133 A CN 201510471133A CN 105187756 A CN105187756 A CN 105187756A
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Abstract
The invention discloses a video playing method capable of preventing pirating and copying. According to the method, original video frames are decomposed and recoded to obtain a new video format. During playing of recoded videos, visual effects presented to field audience are not influenced, but the quality of videos pirated or copied through a commercial camera or mobile equipment is lowered greatly, so that TS videos cannot be watched, and video copyright infringement behaviors due to pirating are prevented effectively. Any existing film and video can be recoded and played with the video playing method; only an existing commercial display or projector needs to be taken as imaging equipment; and a commercial computer can be used for playing videos without any special projection equipment. Through adoption of the video playing method, various video recorders and mobile equipment can be effectively prevented from copying. The video playing method has the advantages of high universality, good effect and low cost, and can be widely applied to copyright protection of played content in playing scenes of various videos/films.
Description
Technical field
The present invention relates to copyright protection and MultiMedia Field, particularly relate to a kind of antitheft video broadcasting method taking the photograph reproduction.
Background technology
Video product piracy has been regarded as digital Age one of distinct issues the most, and its complexity involves the many levels such as politics, economy, culture.Worldwide piracy makes the related industries such as film suffer heavy losses, and the market in general scale of current domestic pirated film is even considerably beyond the market scale of original movie.Data show, and the output of legal DVD in 2003 is even less than 1/3 of pirated CDs.The pirate loss brought moviemaking of annual U.S. up to 20,000,000,000 dollars, and is wherein taken the photograph the loss that reproduction brings account for more than 90% by being stolen.Except film, the video image much play in other scenes all has copyright and privacy characteristic, such as exhibition, report and project demonstration etc., unauthorized user reproduction and propagate these contents and can cause huge infringement to possessory interests.Pirate video product, by network fast propagation, has fundamentally hit the production capacity of cinematic industry, and greatly the tax revenue of infringement country, worldwide becomes the major obstacle of related industry development.How combating copyright piracy, protect the intellectual property, is the problem that domestic and international industrial circle personage and economic circle are extremely concerned about.Along with the development of digital information technology and network technology, piracy is all-pervasive especially.According to statistics, country and related industry mechanism have all carried out huge input in anti-pirate field, and the audio-video industrial chain upstream and downstream firms more than 70% has taken various countermeasures against the pirating all, but produces little effect.
Mainly undertaken by two large classpaths video image product piracy, a class is the video product of illegal copy digital version, and a class obtains pirated film by stealing the method taking the photograph reproduction.There is a large amount of technology at present for first kind piracy, such as, among digital copies, added encrypted watermark, the version source be illegally duplicated can be reviewed.But but do not have effective method to deal with at present for Equations of The Second Kind method.Current intelligent movable equipment can take high-resolution film in video display process, and cinema also cannot forbid that spectators carry these equipment admissions.These stolen " pirated video disc " films taken the photograph can be made into digital copies and easily by various ways fast propagations such as Compact Disk Networks.
Summary of the invention
The object of the invention is to, by a kind of antitheft video broadcasting method taking the photograph reproduction, solve the problem that above background technology part is mentioned.
For reaching this object, the present invention by the following technical solutions:
The antitheft video broadcasting method taking the photograph reproduction, it comprises the steps:
S101, be that the former video of Rfps is converted into frame sequence { v by frame per second
1..., v
n;
S102, to each frame v in former video
k, be m frame { v by its recompile
k1..., v
km, namely the video frame rate of recompile is R*mfps, and wherein, R*m>CFF*2, CFF are crucial flicker frequency;
M frame generative process after the recodification of S103, each frame former video is as follows:
S1031, brightness fluctuation: at every a pair respective pixel (x of adjacent recodification two frame
1, y
1, Y
1) and (x
2, y
2, Y
2) add complementary brightness fluctuation, even respective pixel is respectively (x
1, y
1, Y
1+ δ) and (x
2, y
2, Y
2-δ); Wherein, the brightness fluctuation frequency of occurrences is greater than CFF;
S1032, colourity split: by each pixel (x in former frame of video, y, Y) be decomposed into the respective pixel of the m frame after recompile according to the color synthetic method of light, meet: one, the brightness value of the respective pixel of m frame meets the brightness after step S1031 brightness fluctuation; Two, respective pixel synthesis color during m frame Continuous Play is former frame of video respective pixel; Three, decomposing scheme can maximize the CF distortion that exposure camera line by line photographs image;
All frame of video of S104, recompile form the video that frame per second is R*mfps in order, play this video with R*m refresh rate.
The antitheft video broadcasting method taking the photograph reproduction that the present invention proposes utilizes eyes imaging and ordinary camera image-forming principle difference in former video, add brightness and the former video of chrominance noise recompile, such noise have human eye to it insensitive and camera to its highstrung feature.When the video of recompile is play, the visual effect of audience can not be affected, but adopt and expose (Rollingshutter) camera line by line, take the photograph the video obtained will have very serious Quality Down as commercial camera or mobile device (as mobile phone etc.) carry out reproduction or robber, thus " pirated video disc " video cannot be watched, effectively prevent from taking the photograph because stealing the infringement video copy behavior caused to reach.Any existing film and video can carry out recoding and playing with the present invention, only need existing display apparatus for commercial use or projecting apparatus as imaging device, use commercial computer can play, without the need to any special projection equipment.The present invention can effectively prevent all kinds of commercial video tape recorder and mobile device from carrying out reproduction, and have universality strong, effective, the feature that cost is low, the broadcasting scene that can be widely used in all kinds of video/film carries out copyright protection to play content.
Accompanying drawing explanation
The antitheft video broadcasting method flow chart taking the photograph reproduction that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content, unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.Term used herein, just in order to describe specific embodiment, is not intended to be restriction the present invention.
Please refer to shown in Fig. 1, the antitheft video broadcasting method flow chart taking the photograph reproduction that Fig. 1 provides for the embodiment of the present invention.
In the present embodiment, the antitheft video broadcasting method taking the photograph reproduction specifically comprises the steps:
S101, be that the former video of Rfps is converted into frame sequence { v by frame per second
1..., v
n.
S102, to each frame v in former video
k, be m frame { v by its recompile
k1..., v
km, namely the video frame rate of recompile is R*mfps, wherein, and R*m>CFF*2.
CFF (CriticalFlickerFrequency, crucial flicker frequency): during the appearance that two colors replace, when its flicker frequency is greater than crucial flicker frequency, human eye cannot perceive flicker, but see the color after synthesis, this color is time average brightness and the colourity of two colors.Usual human eye is 50HZ to the CFF of brightness flicker, is 25HZ to the CFF of same lightness colors flicker.
M frame generative process after the recodification of S103, each frame former video is as follows:
S1031, brightness fluctuation: at every a pair respective pixel (x of adjacent recodification two frame
1, y
1, Y
1) and (x
2, y
2, Y
2) add complementary brightness fluctuation, even respective pixel is respectively (x
1, y
1, Y
1+ δ) and (x
2, y
2, Y
2-δ); Wherein, the brightness fluctuation frequency of occurrences is greater than CFF.
S1032, colourity split: by each pixel (x in former frame of video, y, Y) be decomposed into the respective pixel of the m frame after recompile according to the color synthetic method of light, meet: one, the brightness value of the respective pixel of m frame meets the brightness after step S1031 brightness fluctuation; Two, respective pixel synthesis color during m frame Continuous Play is former frame of video respective pixel; Three, decomposing scheme can maximize the CF distortion that exposure camera line by line photographs image.
The color synthetic method of described light is specific as follows: based on cie color space, and a color table seen by human eye is shown as (x, y, Y), wherein, (x, y) represent the colourity of color, i.e. the transverse and longitudinal coordinate of this color in chromatic diagram, Y represents the brightness of color.As two color (x
1, y
1, Y
1) and (x
2, y
2, Y
2) when occurring, color of its mixing is (x, y, Y) simultaneously:
Exposure mode (RollingShutter) specifically defines line by line: the camera adopting exposure mode line by line, and adopt from top to bottom the pattern that often row is sampled separately during the exposure of its photographic plate, the sampling of every a line comprises replacement (t
r), exposure (t
e), digital independent (t
d) three phases.
All frame of video of S104, recompile form the video that frame per second is R*mfps in order, play this video with R*m refresh rate.
Technical scheme of the present invention utilizes eyes imaging and ordinary camera image-forming principle difference in former video, add brightness and the former video of chrominance noise recompile, such noise have human eye to it insensitive and camera to its highstrung feature.When the video of recompile is play, the visual effect of audience can not be affected, but adopt exposure camera line by line, as commercial camera or mobile device are taken the photograph the video obtained will have very serious Quality Down as mobile phone is carried out reproduction or robber, thus " pirated video disc " video cannot be watched, effectively prevent from taking the photograph because stealing the infringement video copy behavior caused to reach.Any existing film and video can carry out recoding and playing with the present invention, only need existing display apparatus for commercial use or projecting apparatus as imaging device, use commercial computer can play, without the need to any special projection equipment.The present invention can effectively prevent all kinds of commercial video tape recorder and mobile device from carrying out reproduction, and have universality strong, effective, the feature that cost is low, the broadcasting scene that can be widely used in all kinds of video/film carries out copyright protection to play content.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (1)
1. the antitheft video broadcasting method taking the photograph reproduction, is characterized in that, comprise the steps:
S101, be that the former video of Rfps is converted into frame sequence { v by frame per second
1..., v
n;
S102, to each frame v in former video
k, be m frame { v by its recompile
k1..., v
km, namely the video frame rate of recompile is R*mfps, and wherein, R*m>CFF*2, CFF are crucial flicker frequency;
M frame generative process after the recodification of S103, each frame former video is as follows:
S1031, brightness fluctuation: at every a pair respective pixel (x of adjacent recodification two frame
1, y
1, Y
1) and (x
2, y
2, Y
2) add complementary brightness fluctuation, even respective pixel is respectively (x
1, y
1, Y
1+ δ) and (x
2, y
2, Y
2-δ); Wherein, the brightness fluctuation frequency of occurrences is greater than CFF;
S1032, colourity split: by each pixel (x in former frame of video, y, Y) be decomposed into the respective pixel of the m frame after recompile according to the color synthetic method of light, meet: one, the brightness value of the respective pixel of m frame meets the brightness after step S1031 brightness fluctuation; Two, respective pixel synthesis color during m frame Continuous Play is former frame of video respective pixel; Three, decomposing scheme can maximize the CF distortion that exposure camera line by line photographs image;
All frame of video of S104, recompile form the video that frame per second is R*mfps in order, play this video with R*m refresh rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510471133.1A CN105187756B (en) | 2015-08-04 | 2015-08-04 | A kind of antitheft video broadcasting method for taking the photograph reproduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510471133.1A CN105187756B (en) | 2015-08-04 | 2015-08-04 | A kind of antitheft video broadcasting method for taking the photograph reproduction |
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| Publication Number | Publication Date |
|---|---|
| CN105187756A true CN105187756A (en) | 2015-12-23 |
| CN105187756B CN105187756B (en) | 2018-06-26 |
Family
ID=54909579
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|---|---|---|---|
| CN201510471133.1A Active CN105187756B (en) | 2015-08-04 | 2015-08-04 | A kind of antitheft video broadcasting method for taking the photograph reproduction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768964A (en) * | 2019-09-30 | 2020-02-07 | 深圳市奥拓电子股份有限公司 | Video image coding processing method, system and storage medium |
| CN112969080A (en) * | 2021-02-24 | 2021-06-15 | 刘桂华 | Image processing method, system, equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101558644A (en) * | 2006-12-11 | 2009-10-14 | 汤姆森特许公司 | Visible anti-piracy system and method for digital cinema |
| CN101558645A (en) * | 2006-12-11 | 2009-10-14 | 汤姆森特许公司 | Text-based anti-piracy system and method for digital cinema |
| CN101622867A (en) * | 2007-03-06 | 2010-01-06 | 汤姆森许可贸易公司 | Digital cinema anti-camcording method and apparatus based on image frame post-sampling |
| CN101647265A (en) * | 2007-03-22 | 2010-02-10 | 微软公司 | Automatic detection, removal, replacement and tagging of flash frames in a video |
-
2015
- 2015-08-04 CN CN201510471133.1A patent/CN105187756B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101558644A (en) * | 2006-12-11 | 2009-10-14 | 汤姆森特许公司 | Visible anti-piracy system and method for digital cinema |
| CN101558645A (en) * | 2006-12-11 | 2009-10-14 | 汤姆森特许公司 | Text-based anti-piracy system and method for digital cinema |
| CN101622867A (en) * | 2007-03-06 | 2010-01-06 | 汤姆森许可贸易公司 | Digital cinema anti-camcording method and apparatus based on image frame post-sampling |
| CN101647265A (en) * | 2007-03-22 | 2010-02-10 | 微软公司 | Automatic detection, removal, replacement and tagging of flash frames in a video |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768964A (en) * | 2019-09-30 | 2020-02-07 | 深圳市奥拓电子股份有限公司 | Video image coding processing method, system and storage medium |
| CN112969080A (en) * | 2021-02-24 | 2021-06-15 | 刘桂华 | Image processing method, system, equipment and storage medium |
| CN112969080B (en) * | 2021-02-24 | 2023-06-06 | 厦门物之联智能科技有限公司 | Image processing method, system, equipment and storage medium |
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| Publication number | Publication date |
|---|---|
| CN105187756B (en) | 2018-06-26 |
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