CN106060654A - Home cinema live broadcast security code increasing methods and apparatuses - Google Patents
Home cinema live broadcast security code increasing methods and apparatuses Download PDFInfo
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- CN106060654A CN106060654A CN201610496804.4A CN201610496804A CN106060654A CN 106060654 A CN106060654 A CN 106060654A CN 201610496804 A CN201610496804 A CN 201610496804A CN 106060654 A CN106060654 A CN 106060654A
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000004040 coloring Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000003672 processing method Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention relates to the technical field of security codes, and provides home cinema live broadcast security code increasing methods and apparatuses. The method includes the steps of acquiring a security code and a video stream; using a video decoder to play the video stream; and completing presentation of the security code on a display screen in a designed rate according to a preset cycle manner or a random manner, wherein the designed rate is greater than or equal to a maximum rate that can be identified by a human eye. After a maximum rate of an object that is seen by the human eye is researched, a broadcast frame rate of a common video stream and a rate of a collected image frame of a camera recording video content in a pirate way are further analyzed, a manner of presenting the security code additionally on the video image at the designed rate is provided, and the security code is difficult to be seen and can be shot by the camera recording the video content in the pirate way, so that a user has a copy right evidence to find the stealer even if the security code is stolen.
Description
[technical field]
The present invention relates to security code technical field, particularly relate to the method that the live security code of a kind of home theater increases
And device.
[background technology]
Along with popularizing of home media, increasing video platform all starts to release respective media termination, such as: happy
Depending on TV, cat box etc..Along with popularizing of digital publishing rights, the film that rolls off the production line of charge serial and charge becomes each big video platform
The effective way increased income.Along with the transformation of consumption idea, incorporating movie theatre cinesync in home media has been a kind of big becoming
Gesture.So, the problem thus brought is exactly the movie and television contents of home media broadcasting may be by caused copyright problem of copying illegally.
In consideration of it, overcoming the defect existing for the prior art is the art problem demanding prompt solution.
[summary of the invention]
The technical problem to be solved in the present invention is how to solve the asking of may being copied illegally of movie and television contents that home media is play
Topic, and reality does not has a kind of effective means safeguarding that legal copyright is put in the offer of this home media.
The present invention adopts the following technical scheme that
First aspect, embodiments provides the method that the live security code of a kind of home theater increases, described side
Method includes:
Obtain security code and video flowing；
Video Decoder is used to play described video flowing；
According to predetermined period mode or random fashion on the display screen with assigned rate complete described security code in
Existing；Wherein, described assigned rate can recognize that rate limit more than or equal to human eye.
Preferably, described complete presenting of described security code with assigned rate on the display screen, specifically include:
Present described security code pattern on the display screen according to the color specified, and process security code figure in a perspective fashion
Region beyond case.
Preferably, described human eye can recognize that rate limit is 0.04167 second.
Preferably, described complete presenting of described security code picture with assigned rate on the display screen, specifically include:
Resolve the frame of video of described security code to be presented, determined the bull wheel comprised in described frame of video by image recognition
Wide region；
The respective pixel level that can show in described largest contours regional extent according to described largest contours Area generation
Security code, and determine the coordinate position shown on the display screen.
Preferably, described method also includes:
Determine the tone in described largest contours region, select the tone conduct adjacent with the tone in described largest contours region
The tone of security code pattern to be generated.
Second aspect, the embodiment of the present invention additionally provides the method that the live security code of a kind of home theater increases, described
Method includes:
Obtain security code, security code relevant information and video flowing；Wherein, described security code relevant information includes presenting described
Pixel Information that positional information that the relevant information of the frame of video of security code, security code present, security code present and security code in
In existing colouring information one or multinomial；
Video Decoder is used to play described video flowing；
Presenting of described security code is completed with assigned rate on the display screen according to security code relevant information；Wherein, institute
State assigned rate and can recognize that rate limit more than or equal to human eye.
Preferably, described complete presenting of described security code with assigned rate on the display screen, specifically include:
Present described security code pattern on the display screen according to the color specified, and process security code figure in a perspective fashion
Region beyond case so that the region beyond security code pattern can display of video streams content normally, and only security code pattern
The video content of position is by described security code pattern covers.
The third aspect, the embodiment of the present invention additionally provides the device that the live security code of a kind of home theater increases, including:
Content receiver module, is used for obtaining security code and video flowing；
Video playback module, is used for calling Video Decoder and plays described video flowing；
Security code playing module, for according to predetermined period mode or random fashion on the display screen with assigned rate
Complete presenting of described security code；Wherein, described assigned rate can recognize that rate limit more than or equal to human eye.
Preferably, security code playing module also includes that security code presents region selection module and security code generation module, tool
Body:
Described security code presents region selection module, for resolving the frame of video of described security code to be presented, passes through image
Identify and determine the largest contours region comprised in described frame of video；
Described security code generation module, being used for can be in described largest contours region according to described largest contours Area generation
In the range of the security code of respective pixel level of display, and determine the coordinate position shown on the display screen.
Fourth aspect, the embodiment of the present invention additionally provides the device that the live security code of a kind of home theater increases, including:
Memorizer, is used for storing one or more program；
Processor, is used for performing one or more than one program；Perform the family described in first aspect any one
The method step of the security code increase that front yard movie theatre is live.
5th aspect, the embodiment of the present invention additionally provides the device that the live security code of a kind of home theater increases, described
Device includes display screen, receptor, Video Decoder, memorizer and processor, wherein, described display screen, receptor, deposits
Reservoir connects described processor respectively, concrete:
Described receptor, for receiving security code and the video flowing that server sends；
Described Video Decoder, is used for calling described display screen and plays described video flowing；
Described memorizer, is used for storing security code and video flowing；
Described processor, for completing with assigned rate on the display screen according to predetermined period mode or random fashion
Presenting of described security code；Wherein, described assigned rate can recognize that rate limit more than or equal to human eye.
Preferably, described processor is additionally operable to:
Resolve the frame of video of described security code to be presented, determined the bull wheel comprised in described frame of video by image recognition
Wide region；The respective pixel level that can show in described largest contours regional extent according to described largest contours Area generation
Security code, and determine the coordinate position shown on the display screen.
6th aspect, the embodiment of the present invention additionally provides the device that the live security code of a kind of home theater increases, described
Device includes display screen, receptor, Video Decoder, memorizer and processor, wherein, described display screen, receptor, deposits
Reservoir connects described processor respectively, concrete:
Described receptor, for receiving security code, security code relevant information and the video flowing that server sends；
Described Video Decoder, is used for calling described display screen and plays described video flowing；
Described memorizer, is used for storing security code and video flowing；
Described processor, for completing described security code with assigned rate on the display screen according to security code relevant information
Present；Wherein, described assigned rate can recognize that rate limit more than or equal to human eye.
Compared with prior art, the beneficial effects of the present invention is: the embodiment of the present invention have studied human eye reception object
Hump speed after, analyze the broadcasting frame rate of ordinary video flow further, and the video camera for video content of copying illegally
Gather image frame speed, it is proposed that a kind of on video pictures in the way of assigned rate additionally presents security code, reach
Human eye is difficult to the method discovered and can be photographed by the video camera of video content of copying illegally, thus it is the most permissible to play the successor that copies illegally
There is the purpose that copyright evidence can capture.
[accompanying drawing explanation]
Fig. 1 is the method flow schematic diagram that the live security code of a kind of home theater that the embodiment of the present invention provides increases；
Fig. 2 is the method flow schematic diagram that the live security code of a kind of home theater that the embodiment of the present invention provides increases；
Fig. 3 is the method flow schematic diagram that the live security code of a kind of home theater that the embodiment of the present invention provides increases；
Fig. 4 is the device schematic diagram that the live security code of a kind of home theater that the embodiment of the present invention provides increases；
Fig. 5 is the device schematic diagram that the live security code of a kind of home theater that the embodiment of the present invention provides increases；
Fig. 6 is the device schematic diagram that the live security code of a kind of home theater that the embodiment of the present invention provides increases；
Fig. 7 is the device schematic diagram that the live security code of a kind of home theater that the embodiment of the present invention provides increases；
Fig. 8 is the device schematic diagram that the live security code of a kind of home theater that the embodiment of the present invention provides increases.
[detailed description of the invention]
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
As long as additionally, technical characteristic involved in each embodiment of invention described below is the most not
The conflict of composition just can be mutually combined.
The embodiment of the present invention, after the hump speed that have studied human eye reception object, further contemplates in video playback
Time, can be limited to the playback rate impact of frame of video self, to such an extent as in advance video flowing and security code are made into one complete
Media Stream, ensures that the broadcasting speed of security code exceedes human eye and can recognize that limitation (the theoretically broadcasting of security code again
Speed is more difficult to be realized by human eye the soonest), the effect generally obtained all is not so good as the method that the embodiment of the present invention is proposed；From another
For aspect, it is made into a complete Media Stream in advance and can improve cost, the side that its mode is proposed not as the embodiment of the present invention 1
Method is economic, practical.
Embodiment 1:
The embodiment of the present invention 1 provides the method that the live security code of a kind of home theater increases, and described method includes:
In step 201, security code and video flowing are obtained.
During implementing, can be directly to be obtained described security code and video flowing by intelligent television, it is also possible to
Being to obtain described security code and video flowing by media box, two ways is all in the protection domain of the embodiment of the present invention.After
Continuous embodiment content, will be illustrated with intelligent terminal for upperseat concept.
In step 202., Video Decoder is used to play described video flowing.
In step 203, institute is completed with assigned rate on the display screen according to predetermined period mode or random fashion
State presenting of security code.
Wherein, more than or equal to human eye, described assigned rate can recognize that rate limit, described human eye can recognize that rate limit
Value is 0.04167 second.
The embodiment of the present invention, after the hump speed that have studied human eye reception object, analyzes ordinary video flow further
Play frame rate, and the speed gathering image frame of the video camera for video content of copying illegally, it is proposed that a kind of at video picture
On face in the way of assigned rate additionally presents security code, reach human eye and be difficult to discover and can taking the photograph by video content of copying illegally
The method that camera photographs, thus play the purpose that the successor that copies illegally so can have copyright evidence to capture.
In embodiments of the present invention, the broadcast message class of described security code is similar on the surface of video flowing that presented at display
Cover one layer of security code carrying out presenting with assigned rate, accordingly, there exist a kind of preferably implementation, i.e. according to the face specified
Color presents described security code pattern on the display screen, and processes the region beyond security code pattern in a perspective fashion so that anti-
Region beyond pseudo-code pattern can display of video streams content normally, and the video content quilt of only security code pattern position
Described security code pattern covers.The advantage of which is that and decreases security code in the impact aligning normal video playback now.
In concrete test process, all there is respective largest contours region, in described maximum in usual each frame picture
Contour area presents security code be easiest to be ignored by user's viewing, therefore, align to reduce security code further
, there is a kind of preferably implementation in conjunction with the embodiment of the present invention in the impact of Chang Guanying, described step 203, as in figure 2 it is shown, have
Body includes:
In step 2031, resolve the frame of video of described security code to be presented, determine described frame of video by image recognition
In the largest contours region that comprises.
In step 2032, can show in described largest contours regional extent according to described largest contours Area generation
The security code of respective pixel level, and determine the coordinate position shown on the display screen.
This preferred mode, not only considers the position as display security code, the largest contours region, and uses corresponding picture
The mode of the security code of element level, not only ensure that security code to show in largest contours region, and ensure that the picture of security code
Element level is unlikely to beyond the Pixel-level of display in largest contours regional extent, i.e. improves security code and can be dissolved into largest contours district
In video content in territory, reduce the probability that user discovers further.In conjunction with in this preferred mode, it is also possible to determine described
The tone in largest contours region, selects the tone adjacent with the tone in described largest contours region as security code figure to be generated
The tone of case.
Embodiment 2:
The embodiment of the present invention additionally provides the method that the live security code of a kind of home theater increases, and compare embodiment 1
Described in method, the analysis between security code and video flowing has more been given intelligent terminal and has been processed by the former, and the present invention
Embodiment is then that described analysing content is transferred to video flowing provide end to complete, and for intelligent terminal, it receives
Content not only includes video flowing and security code, also includes described security code relevant information, as it is shown on figure 3, described method includes:
In step 301, security code, security code relevant information and video flowing are obtained.
Wherein, described security code relevant information include presenting the relevant information of the frame of video of described security code, security code in
In Pixel Information that existing positional information, security code present and the colouring information that security code presents one or multinomial；
In step 302, Video Decoder is used to play described video flowing.
In step 303, described security code is completed with assigned rate on the display screen according to security code relevant information
Present；Wherein, described assigned rate can recognize that rate limit more than or equal to human eye.
Compare embodiment 1, and the embodiment of the present invention can obtain corresponding beneficial effect equally, and decreases intelligent terminal
Resource burden, and improve the uniformity that security code presents, powerful operational capability based on server, and professional test
The participation of personnel so that generating optimum security code mode becomes possibility.
In conjunction with the embodiment of the present invention, there is a kind of preferably implementation, described complete with assigned rate on the display screen
Become presenting of described security code, specifically include:
Present described security code pattern on the display screen according to the color specified, and process security code figure in a perspective fashion
Region beyond case so that the region beyond security code pattern can display of video streams content normally, and only security code pattern
The video content of position is by described security code pattern covers.
Owing to the processing method embodiment with the present invention is based on same design, particular content can be found in the embodiment of the present invention 1
In narration, here is omitted.
Embodiment 3:
The embodiment of the present invention additionally provides the device that the live security code of a kind of home theater increases, as shown in Figure 4, bag
Include:
Content receiver module, is used for obtaining security code and video flowing；
Video playback module, is used for calling Video Decoder and plays described video flowing；
Security code playing module, for according to predetermined period mode or random fashion on the display screen with assigned rate
Complete presenting of described security code；Wherein, described assigned rate can recognize that rate limit more than or equal to human eye.
In conjunction with the embodiment of the present invention, there is a kind of preferably implementation, as it is shown in figure 5, described security code playing module
Also include that security code presents region selection module and security code generation module, concrete:
Described security code presents region selection module, for resolving the frame of video of described security code to be presented, passes through image
Identify and determine the largest contours region comprised in described frame of video；
Described security code generation module, being used for can be in described largest contours region according to described largest contours Area generation
In the range of the security code of respective pixel level of display, and determine the coordinate position shown on the display screen.
What deserves to be explained is, the content such as the information between module in said apparatus, unit is mutual, execution process, due to
With the processing method embodiment of the present invention based on same design, particular content can be found in the narration in the inventive method embodiment 1,
Here is omitted.
Embodiment 4:
The embodiment of the present invention additionally provides the device that the live security code of a kind of home theater increases, as shown in Figure 6, bag
Include:
Memorizer, is used for storing one or more program；
Processor, is used for performing one or more than one program；Perform embodiment 1 or embodiment 2 any one
The method step of the security code increase that described home theater is live.
What deserves to be explained is, the content such as the information between module in said apparatus, unit is mutual, execution process, due to
With the processing method embodiment of the present invention based on same design, particular content can be found in the narration in the inventive method embodiment 1,
Here is omitted.
Embodiment 5:
The embodiment of the present invention additionally provides the device that the live security code of a kind of home theater increases, and is used for realizing embodiment
Method described in 1, as it is shown in fig. 7, described device includes display screen, receptor, Video Decoder, memorizer and processor,
Wherein, described display screen, receptor, memorizer connect described processor respectively, concrete:
Described receptor, for receiving security code and the video flowing that server sends；
Described Video Decoder, is used for calling described display screen and plays described video flowing；
Described memorizer, is used for storing security code and video flowing；
Described processor, for completing with assigned rate on the display screen according to predetermined period mode or random fashion
Presenting of described security code；Wherein, described assigned rate can recognize that rate limit more than or equal to human eye.
In conjunction with the embodiment of the present invention, there is a kind of preferably implementation, described processor is additionally operable to:
Resolve the frame of video of described security code to be presented, determined the bull wheel comprised in described frame of video by image recognition
Wide region；The respective pixel level that can show in described largest contours regional extent according to described largest contours Area generation
Security code, and determine the coordinate position shown on the display screen.
What deserves to be explained is, the content such as the information between module in said apparatus, unit is mutual, execution process, due to
With the processing method embodiment of the present invention based on same design, particular content can be found in the narration in the inventive method embodiment 1,
Here is omitted.
Embodiment 6:
The embodiment of the present invention additionally provides the device that the live security code of a kind of home theater increases, and is used for realizing embodiment
Method described in 2, as shown in Figure 8, described device includes display screen, receptor, Video Decoder, memorizer and processor,
Wherein, described display screen, receptor, memorizer connect described processor respectively, concrete:
Described receptor, for receiving security code, security code relevant information and the video flowing that server sends；
Described Video Decoder, is used for calling described display screen and plays described video flowing；
Described memorizer, is used for storing security code and video flowing；
Described processor, for completing described security code with assigned rate on the display screen according to security code relevant information
Present；Wherein, described assigned rate can recognize that rate limit more than or equal to human eye.
What deserves to be explained is, the content such as the information between module in said apparatus, unit is mutual, execution process, due to
With the processing method embodiment of the present invention based on same design, particular content can be found in the narration in the inventive method embodiment 2,
Here is omitted.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of embodiment is to lead to
Program of crossing completes to instruct relevant hardware, and this program can be stored in a computer-readable recording medium, storage medium
May include that read only memory (ROM, Read Only Memory), random access memory (RAM, Random Access
Memory), disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (10)
1. the method that the security code that a home theater is live increases, it is characterised in that described method includes:
Obtain security code and video flowing；
Video Decoder is used to play described video flowing；
Presenting of described security code is completed with assigned rate on the display screen according to predetermined period mode or random fashion；Its
In, described assigned rate can recognize that rate limit more than or equal to human eye.
Method the most according to claim 1, it is characterised in that described complete with assigned rate on the display screen described anti-
Presenting of pseudo-code, specifically include:
Present described security code pattern on the display screen according to the color specified, and process in a perspective fashion security code pattern with
Outer region.
Method the most according to claim 1 and 2, it is characterised in that described human eye can recognize that rate limit is 0.04167
Second.
Method the most according to claim 1 and 2, it is characterised in that described complete institute with assigned rate on the display screen
State presenting of security code picture, specifically include:
Resolve the frame of video of described security code to be presented, determined the largest contours district comprised in described frame of video by image recognition
Territory；
The respective pixel level that can show in described largest contours regional extent according to described largest contours Area generation anti-
Pseudo-code, and determine the coordinate position shown on the display screen.
Method the most according to claim 4, it is characterised in that described method also includes:
Determine the tone in described largest contours region, select the tone adjacent with the tone in described largest contours region as being wanted
Generate the tone of security code pattern.
6. the method that the security code that a home theater is live increases, it is characterised in that described method includes:
Obtain security code, security code relevant information and video flowing；Wherein, described security code relevant information includes presenting described false proof
Pixel Information that the relevant information of frame of video of code, the positional information that presents of security code, security code present and security code present
In colouring information one or multinomial；
Video Decoder is used to play described video flowing；
Presenting of described security code is completed with assigned rate on the display screen according to security code relevant information；Wherein, described finger
Constant speed rate can recognize that rate limit more than or equal to human eye.
Method the most according to claim 6, it is characterised in that described complete with assigned rate on the display screen described anti-
Presenting of pseudo-code, specifically include:
Present described security code pattern on the display screen according to the color specified, and process in a perspective fashion security code pattern with
Outer region so that the region beyond security code pattern can display of video streams content normally, and only security code pattern place
The video content of position is by described security code pattern covers.
8. the device that the security code that a home theater is live increases, it is characterised in that including:
Content receiver module, is used for obtaining security code and video flowing；
Video playback module, is used for calling Video Decoder and plays described video flowing；
Security code playing module, for completing with assigned rate on the display screen according to predetermined period mode or random fashion
Presenting of described security code；Wherein, described assigned rate can recognize that rate limit more than or equal to human eye.
Device the most according to claim 8, it is characterised in that security code playing module also includes that security code presents region choosing
Select module and security code generation module, concrete:
Described security code presents region selection module, for resolving the frame of video of described security code to be presented, passes through image recognition
Determine the largest contours region comprised in described frame of video；
Described security code generation module, being used for can be in described largest contours regional extent according to described largest contours Area generation
The security code of the respective pixel level of interior display, and determine the coordinate position shown on the display screen.
10. the device that the security code that a home theater is live increases, it is characterised in that including:
Memorizer, is used for storing one or more program；
Processor, is used for performing one or more than one program；Perform the family described in claim 1-5 any one
The method step of the security code increase that movie theatre is live.
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| CN201610496804.4A CN106060654A (en) | 2016-06-29 | 2016-06-29 | Home cinema live broadcast security code increasing methods and apparatuses |
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| CN201610496804.4A CN106060654A (en) | 2016-06-29 | 2016-06-29 | Home cinema live broadcast security code increasing methods and apparatuses |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153453A (en) * | 2020-09-22 | 2020-12-29 | 王鹏 | Display system for information safety protection |
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| CN104135670A (en) * | 2014-07-22 | 2014-11-05 | 乐视网信息技术（北京）股份有限公司 | Video playing method and device |
| CN104168484A (en) * | 2014-08-19 | 2014-11-26 | 河海大学 | Video watermarking method based on visual attention mechanism |
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