CN106791873A - A kind of traceable Electronic Paper line adding method of offline video - Google Patents
A kind of traceable Electronic Paper line adding method of offline video Download PDFInfo
- Publication number
- CN106791873A CN106791873A CN201611062874.5A CN201611062874A CN106791873A CN 106791873 A CN106791873 A CN 106791873A CN 201611062874 A CN201611062874 A CN 201611062874A CN 106791873 A CN106791873 A CN 106791873A
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- electronic paper
- paper line
- offline video
- video
- computer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/762—Media network packet handling at the source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Image Processing (AREA)
Abstract
The invention provides a kind of traceable Electronic Paper line adding method of offline video, including procedure below：(1) characteristic information of the storage source computer of offline video or storage source computer to the characteristic information of the passage of object-computer are carried out into feature coding, an Electronic Paper line with feature coding information is generated using the coding；(2) Electronic Paper line is superimposed to each frame of offline video, obtains being added with the offline video of Electronic Paper line.The present invention can be used in following the trail of the broadcast source of offline video, video to be played adds Electronic Paper line, Electronic Paper line includes the computer for playing the video or the feature of passage, the Electronic Paper line has robustness in playing process is transmitted, even by the offline mode that mobile phone shoots, the Electronic Paper line is also still effective, the Electronic Paper line can be detected by feature detection techniques when needing, it is determined that being the video at which computer or passage stream.
Description
Technical field
The present invention relates to a kind of traceable Electronic Paper line adding method of offline video, belong to Video security technology.
Background technology
In past ten years, as China's safe city construction is accelerated, monitoring camera quantity increases about every year
20%, the scope of installation is also constantly being expanded.For thousands of and increasing monitoring cameras, most common people are general
Can treat from front angle, monitoring camera can produce fright to act on lawless person after all, help to increase the sense of security, and
And, the still not sociable keeper of camera, can verily shoot, record scene, it is necessary to when can easily " reduction
Scene ".
But in recent years, abuse caused problem because of camera unrest dress also gradually increasing, such as, monitor the content for shooting
Arbitrarily traveled to network, the serious infringement right of privacy of party；For another example, indivedual place law enforcement agencies are by the peace of camera
Dress and maintenance are contracted to enterprise, thus trigger many law enforcement confusions.
It is either individual for various regions as the relevant regulations of video image information system administration were put into effect in various regions successively in recent years
People or unit install video monitoring system, are proposed corresponding condition and program.Install in public places it is necessary to have Shen
Please program, should limit installation for some sensitizing ranges, each program such as legislation must clearly be applied, examine, checking and accepting, together
When, we in daily street corner it has also been discovered that the monitoring device installed in public places, there is eye-catching prompting picture etc., it is open
Public opinion feedback conduit, listens to the opinion of nearby life, the work common people and other people in close relations.
Despite these basic control measures, but with the development of video technique, especially monitoring camera and public affairs
The quick increase of peace on-site law-enforcing shooting, the keeping of massive video and secure distribution just become a very complicated problem.
On the one hand it is monitoring system technical problem in itself, 2 months 27 noons in 2015, the spy of Public Security Bureau, Jiangsu Prov.'s issue
Anxious to notify to claim, the Haikang prestige for managing security product mainly is exposed serious potential safety hazard regarding the monitoring device of its production, and equipment component is
Controlled by IP address overseas, and require that various regions are checked comprehensively immediately, carry out security hardening, eliminated safe hidden trouble.As quick
Feel the monitoring device of information entry point, be dispersed throughout the fields such as finance, intelligent transportation, public security, the energy, the administration of justice.This time Haikang prestige is regarded
The monitoring device of " safety door " event is controlled by external lawless person, inevitably results in the sensitive image information of monitoring by illegal point
Son is obtained, for example government department's internal control image, bank internal control image, traffic monitoring image, restaurant monitoring image etc..
Monitoring device is controlled by lawless person, and one " day eye " is mounted with equivalent to lawless person, and various information covers all at one glance, and harm is tight
Weight.
On the other hand, due to the violation operation of partial video administrative staff, the information leakage problem of video is also caused, such as
By way of cell-phone camera, the segment of monitor video is shot, then spread online, cause information leakage.It is this leakage be from
Line mode, than more covert, tracing has suitable difficulty.
The problem that this violation operation brings is very serious：The video leakage of such as some hot issues is likely to result in serious
Social event；Some are related to the video of privacy to reveal the danger that can be brought to user and be swindled, and some are related to public safety
The leakage of video can bring the problem of some security management and controls.
The content of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of traceable Electronic Paper line addition side of offline video
Method, can be used in following the trail of the broadcast source of offline video, and video to be played adds Electronic Paper line, and Electronic Paper line is regarded comprising this is played
The computer of frequency or the feature of passage, the Electronic Paper line have robustness in playing process is transmitted, and are shot even by mobile phone
Offline mode, the Electronic Paper line also still effectively, can detect the electronics by feature detection techniques when needing
Paper line, it is determined that being the video at which computer or passage stream.
The present invention is for the solution technical scheme that is used of its technical problem：There is provided a kind of traceable electricity of offline video
Sub- paper line adding method, including procedure below：
(1) by the passage of the characteristic information or storage source computer of the storage source computer of offline video to object-computer
Characteristic information carry out feature coding, generate an Electronic Paper line with feature coding information using the coding；
(2) Electronic Paper line is superimposed to each frame of offline video, obtains being added with the offline video of Electronic Paper line.
The characteristic information of the storage source computer is included in machine name, IP address and the MAC Address of storage source computer
1 or more than 1.
The characteristic information of passage of the storage source computer to object-computer includes storage source computer to target meter
The channel address of calculation machine.
Described Electronic Paper line is a kind of picture set with transparency.
The characteristic information or storage source computer of the storage source computer by offline video are logical to object-computer
The characteristic information in road carries out feature coding, and an Electronic Paper line with feature coding information, specific bag are generated using the coding
Include procedure below：
(1-1) is transformed into characteristic information the binary stream being made up of binary digit for a string；
(1-2) is mended to binary stream and grown if the length of binary stream is not up to the length value for pre-setting；
(1-3) formulates N × N dot matrix, in making each 8 bit in the binary stream for reach length value and dot matrix
Point is corresponded, or the cross linear pair in each 8 bit in the binary stream for making reach length value and dot matrix
Correspond, obtain dot matrix picture；
(1-4) dot matrix picture is enlarged into the picture with each frame formed objects of offline video, obtains being compiled with feature
The Electronic Paper line of code information.
Step (1-1) is encoded using BCD or characteristic information is transformed into a string by binary digit by ASCII character coding rule
The binary stream of composition.
Each frame that Electronic Paper line is superimposed to offline video, using coded system, filter mode and watermark mode
1 kind of mode therein.
The present invention is had advantageous effect in that based on its technical scheme：
(1) present invention according to the computer of the diffusive transport video or the feature of passage (such as machine name/IP address/MAC
Location/channel address etc.), a traceable Electronic Paper line is produced, during video transmission, the Electronic Paper line will not be broken
It is bad, video can be tracked by the Electronic Paper line and spread source (computer or passage)；
(2) Electronic Paper line of the invention is provided with certain transparency, it might even be possible to by transparency be set to only machine it is detectable,
The degree that naked eyes cannot be differentiated, it is ensured that traceable while not influenceing result of broadcast；
(3) Electronic Paper line of the invention has extremely strong robustness, will not change with the change of playing environment, while
Offline tracking is supported, is whether directly played and has been added the video after Electronic Paper line, or played out after pirates shoot, do not interfered with
Electronic Paper line follows the trail of effect, and traceability is extremely strong；
(4) Electronic Paper line addition manner of the invention is realized simply, but can reach traceable beneficial effect, is adapted to
Carry out large-scale promotion to use, for the supervision of network public safety provides a kind of strong new method of implementation.
Specific embodiment
With reference to embodiment, the invention will be further described.
The invention provides a kind of traceable Electronic Paper line adding method of offline video, including procedure below：
(1) by the passage of the characteristic information or storage source computer of the storage source computer of offline video to object-computer
Characteristic information carry out feature coding, generate an Electronic Paper line with feature coding information using the coding；
(2) Electronic Paper line is superimposed to each frame of offline video, obtains being added with the offline video of Electronic Paper line.
The characteristic information of the storage source computer is included in machine name, IP address and the MAC Address of storage source computer
1 or more than 1.
The characteristic information or storage source computer of the storage source computer by offline video are logical to object-computer
The characteristic information in road carries out feature coding, and an Electronic Paper line with feature coding information, specific bag are generated using the coding
Include procedure below：
(1-1) is transformed into characteristic information the binary stream being made up of binary digit for a string；
(1-2) is different due to the length of characteristic information, causes the different length of above-mentioned binary stream, assesses according to demand,
Suitable regular length is chosen so that this regular length etc. meets application demand, if the length of binary stream is not up in advance
The length value of setting, then mend the binary stream that length forms regular length to binary stream；
(1-3) formulates N × N dot matrix, can be the scales such as 16 × 16 dot matrix, 256 × 256 dot matrix, makes to reach length value
Each 8 bit in binary stream are corresponded with the point in dot matrix, or in the binary stream for making reach length value
Each 8 bit and dot matrix in cross linear to corresponding, obtain dot matrix picture；
(1-4) dot matrix picture is enlarged into the picture of each frame formed objects of offline video (remaining place can mend
In vain), the Electronic Paper line with feature coding information is obtained.
Step (1-1) using (but not limited to) BCD encode or ASCII character coding rule characteristic information be transformed into a string by
The binary stream of binary digit composition.
Each frame that Electronic Paper line is superimposed to offline video, using coded system, filter mode and watermark mode
1 kind of mode therein.
The characteristic information of passage of the storage source computer to object-computer includes storage source computer to target meter
The channel address of calculation machine.
Described Electronic Paper line is a kind of picture set with transparency.During specific implementation, Electronic Paper line can be done
Into the form of OSD_SET performances.OSD_SET is similar to the actions menu in image broadcasting.
Actions menu occurs in DTV in the form of picture, in actual image playing process, according to user
Instruction, video flowing can and OSD be superimposed together after on screen-picture broadcast, user can according to the variation of OSD operate remote control
Device, controls the broadcasting of image.But this actions menu is not a part for video, but the multi-tiled display for passing through display
Realize.
Electronic Paper line of the invention is to be similar in effect, and OSD_SET can be compiled with brightness striped or other display modes
Code, the coding direction of the OSD_SET can be space encoding (effect is exactly to be superimposed a fixed transparent picture), or
Time encoding (effect is exactly that brightness is changed over time), certainly this superposition does not interfere with the normal viewing of video, actually used
In can according to video effect adjust OSD_SET transparency be overlapped.
Video after a kind of traceable Electronic Paper line adding method of offline video that the present invention is provided is processed, is broadcasting
After putting, no matter using screen copy or the method for shooting, unless (the method is very special by the way of by auspicious pointwise modification
Industry, takes very much, very difficult), cannot all remove the feature coding of superposition.Video after treatment, can take according to stacked system
The mode that software or hardware and software are combined obtains feature coding, space encoding superposition can be extracted using software mode (it is similar with it is auspicious
Between filter method), time encoding superposition can be extracted using software and hardware combining mode (brightness detector plus auspicious filter
Ripple), obtain binary stream and then release characteristic information.
Both modes are applied to different occasions, and space overlapping can be used for picture and capture (picture), and time superposition can
(video) is clapped in record for video.The feature coding of video is obtained, the electricity for playing the video can be just obtained by decoding
The feature of brain, so as to position the computer.
A kind of traceable Electronic Paper line adding method of offline video that the present invention is provided can be applied to various broadcasting fields.
The film that for example cinema shows at present substantially has disengaged from film forms and uses digital video, and motion picture production can require institute
Electronic Paper line of the addition with cinema's video source information on the video that Fang Qi is played, someone usurps film video and in net
On propagated, can be easy to find the film video specifically from which cinema's outflow, so that convenient further investigate
Responsibility and investigation pirates shoot person.For another example, video portal website can add band when user carries out Internet video download in the video
There is the Electronic Paper line of channel information, then can be easy to directly find outflow user by decoding after video outflow.With it is existing
Online tracing investigation method need since outflow end IP investigation compare, the traceable electricity of offline video of the invention
Sub- paper line adding method has a wide range of application, and follows the trail of effect good.
Claims (7)
1. the traceable Electronic Paper line adding method of a kind of offline video, it is characterised in that including procedure below：
(1) by the spy of the characteristic information or storage source computer of the storage source computer of offline video to the passage of object-computer
Reference breath carries out feature coding, and an Electronic Paper line with feature coding information is generated using the coding；
(2) Electronic Paper line is superimposed to each frame of offline video, obtains being added with the offline video of Electronic Paper line.
2. the traceable Electronic Paper line adding method of offline video according to claim 1, it is characterised in that：The storage
The characteristic information of source computer includes 1 or more than 1 in machine name, IP address and the MAC Address of storage source computer.
3. the traceable Electronic Paper line adding method of offline video according to claim 1, it is characterised in that：The storage
Source computer to the characteristic information of the passage of object-computer includes the channel address of storage source computer to object-computer.
4. the traceable Electronic Paper line adding method of offline video according to claim 1, it is characterised in that：Described electricity
Sub- paper line is a kind of picture set with transparency.
5. the traceable Electronic Paper line adding method of the offline video according to Claims 2 or 3 or 4, it is characterised in that：Institute
State and believe characteristic information or storage source computer to the feature of the passage of object-computer of the storage source computer of offline video
Breath carries out feature coding, and an Electronic Paper line with feature coding information is generated using the coding, specifically includes procedure below：
(1-1) is transformed into characteristic information the binary stream being made up of binary digit for a string；
(1-2) is mended to binary stream and grown if the length of binary stream is not up to the length value for pre-setting；
(1-3) formulates N × N dot matrix, makes the point one in each 8 bit and dot matrix in the binary stream for reach length value
One correspondence, or make the cross linear in each 8 bit and dot matrix in the binary stream for reach length value to one by one
Correspondence, obtains dot matrix picture；
(1-4) dot matrix picture is enlarged into the picture with each frame formed objects of offline video, obtains believing with feature coding
The Electronic Paper line of breath.
6. the traceable Electronic Paper line adding method of offline video according to claim 5, it is characterised in that：Step (1-
1) characteristic information is transformed into using BCD codings or ASCII character coding rule the binary stream being made up of binary digit for a string.
7. the traceable Electronic Paper line adding method of offline video according to claim 1, it is characterised in that：It is described by electricity
Sub- paper line is superimposed to each frame of offline video, using coded system, filter mode and watermark mode a kind of mode therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611062874.5A CN106791873A (en) | 2016-11-28 | 2016-11-28 | A kind of traceable Electronic Paper line adding method of offline video |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611062874.5A CN106791873A (en) | 2016-11-28 | 2016-11-28 | A kind of traceable Electronic Paper line adding method of offline video |
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| CN106791873A true CN106791873A (en) | 2017-05-31 |
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ID=58901734
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| CN201611062874.5A Pending CN106791873A (en) | 2016-11-28 | 2016-11-28 | A kind of traceable Electronic Paper line adding method of offline video |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111935547A (en) * | 2020-08-18 | 2020-11-13 | 湖南快乐阳光互动娱乐传媒有限公司 | Traceable encrypted live broadcast method and traceable encrypted live broadcast system |
| CN113989737A (en) * | 2021-10-22 | 2022-01-28 | 安天科技集团股份有限公司 | A method, system and medium for determining source of conference information according to identification |
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Application publication date: 20170531 |