CN107995525A - One kind encrypts online video watermark analysis process system based on safety - Google Patents
One kind encrypts online video watermark analysis process system based on safety Download PDFInfo
- Publication number
- CN107995525A CN107995525A CN201711205286.7A CN201711205286A CN107995525A CN 107995525 A CN107995525 A CN 107995525A CN 201711205286 A CN201711205286 A CN 201711205286A CN 107995525 A CN107995525 A CN 107995525A
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- Prior art keywords
- watermark
- video frame
- unit
- module
- key
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000008569 process Effects 0.000 title claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000000605 extraction Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003362 replicative effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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, rendering scenes according to MPEG-4 scene graphs
- H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/16—Program or content traceability, e.g. by watermarking
-
- 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, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 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]
- H04N21/80—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
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
Abstract
Online video watermark analysis process system is encrypted based on safety the invention discloses one kind, including video frame acquisition module, video frame chosen module, ID databases, watermark embedding module, video frame uploading module and analysis and processing module, the video frame acquisition module, video frame chosen module, ID databases, watermark embedding module, video frame uploading module are connected with analysis and processing module by wireless communication;By taking the dual mode of encryption and watermark, effectively prevent and original works is distorted, forged and is replicated.
Description
Technical field
The invention belongs to video technique field, and in particular to one kind encrypts online video watermark analyzing and processing system based on safety
System.
Background technology
With the extensive use of Digital Media (digital picture, digital audio, digital video), its copyright protection is also increasingly heavy
Will.
The rapid development of computer networking technology and multimedia technology to the work and life of people bring it is huge just
Profit, video media easily obtain, replicate simply and propagate more and more artistic works, invention that the advantages that rapid is due to it
Expressed with intention all in the form of video data.But the opening and sharing of network are utilized, original works is usurped
Change, forge, replicating and illegal distribution becomes a lead-pipe cinch feelings, the person that seriously compromises creation of works and user's
Interests.Therefore, how come to protect the authenticity and integrity of the copyright of video work and works content be one urgently to be resolved hurrily
The problem of.
The digital watermark of video is that pager is embedded into video media, has reached protection works copyright and has prevented works
The effective ways being maliciously tampered.As effective means of supplementing out economy of conventional encryption methods, digital watermarking (digital
Watermarking the great attention of people) is caused in recent years and is increasingly becoming a research of field of multimedia signal processing
Hot spot.
The content of the invention
Online video watermark analysis process system is encrypted based on safety it is an object of the invention to provide one kind, by taking
Encryption and the dual mode of watermark, effectively prevent and original works are distorted, forged and is replicated.
The purpose of the present invention can be achieved through the following technical solutions:
One kind encrypts online video watermark analysis process system, including the choosing of video frame acquisition module, video frame based on safety
Cover half block, ID databases, watermark embedding module, video frame uploading module and analysis and processing module, the video frame obtain mould
Block, video frame chosen module, ID databases, watermark embedding module, video frame uploading module and analysis and processing module pass through wireless
Communication connection;
The video frame chosen module, selectes the region for needing to add watermark from the video frame of acquisition, and will have
The video frame information of order is specified to be sent to watermark embedding module;
The ID databases, for storing ID codes;
Watermark embedding module, including microprocessor, watermark edit cell, watermark connection unit, watermark data storehouse, key fortune
Unit, Key generating unit and watermark embedder unit are calculated, watermark embedding module, which is used for insertion in the video frame, has encrypted water
Print;
The microprocessor, containing database, can store video frame, while the passage transmitted as information, according to
The video frame chosen module transmission of reception has the video frame information for specifying order, is simultaneously emitted by instruction and gives watermark edit cell
With key arithmetic element, then video frame is exported to watermark embedder unit;
The watermark edit cell, receives the instruction of microprocessor, the watermark in watermark data storehouse is extracted, according to video
Frame selection area size, to watermark into edlin, and the watermark information after editor is exported to watermark connection unit;
The watermark connection unit connects watermark edit cell and watermark embedder unit respectively, and watermark connection unit is used for
The transmission of watermark information;
The watermark data storehouse, for storing watermark;
The key arithmetic element, receives the instruction of microprocessor, calculates encrypted instruction and key instruction, and will refer to
Order is exported to Key generating unit;
The Key generating unit, receives encrypted instruction and the key instruction of the conveying of key arithmetic element, transfers ID numbers
According to the ID codes in storehouse, ID codes are added separately to encrypted instruction and key instructs, that is, generate encryption information and key information, will
The encryption information and key information of generation are exported to tree shade embedded unit;
The watermark information of reception and encryption information, are embedded in the selected area of video frame by watermark embedder unit with key information
In domain, the video frame after insertion is exported to video frame uploading module.
Further, the video frame acquisition module, for intercepting the video frame for needing to add watermark.
Further, the video frame uploading module is connected with analysis and processing module, and video frame uploading module is used to upload
Encrypted watermark video frame.
Further, the analysis and processing module includes analytic unit, video frame decryption unit, key storing unit, again
Secondary uploading unit, video frame extraction unit and watermark eliminate unit;
The analytic unit, analyzes the video frame of upload, if encryption, and if watermark meets the requirements,
According to crypto-analysis formula RM=SQRT { EV*AV/ (USL-LSL) }, if it is to continue upload to refer to obtain analysis result instruction 1
Order, video frame is exported to video frame decryption unit, if it is to eliminate instruction to obtain analysis result instruction 0, video frame is exported
To video frame extraction unit;
The video frame decryption unit, exports to close for parsing the key information in video frame, and by key information
Key storage unit, then exports the encrypted video frame containing watermark to uploading unit again;
The key storing unit, the key information for the parsing of storage frame decryption unit;
The uploading unit again, for uploading the encrypted video frame containing watermark;
The video frame extraction unit, exports to water for the video frame of extraction and analysis unit transportation, and by video frame
Print eliminates unit;
The watermark eliminates unit, for eliminating unqualified watermark and encryption information and key information in video frame,
Video frame is returned to video frame chosen module and re-starts embedded watermark.
Beneficial effects of the present invention:
It is provided by the invention a kind of based on the online video watermark analysis process system of safety encryption, need to add by selected
The video frame region of watermark, edits the watermark of corresponding region, calculates encryption information and key information, by encryption information, close
Key information and watermark are together embedded into video frame,, will be qualified encrypted by the analysis to video frame during upload
Video frame containing watermark continues to upload, but extracts key information therein, prevent video frame upload after to video work
Forgery and duplication, for underproof video frame, take unqualified watermark and encryption information and the key eliminated in video frame
Information, and video frame is returned to video frame chosen module and re-starts embedded watermark;So take encryption and watermark
Dual mode, effectively prevents and original works is distorted, forged and is replicated.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, embodiment will be described below required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 encrypts online video watermark analysis process system schematic diagram for the present invention is a kind of based on safety.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment, belongs to the scope of protection of the invention.
Refering to Figure 1, of the invention is a kind of based on the online video watermark analysis process system of safety encryption, including regarding
Frequency frame acquisition module, video frame chosen module, ID databases, watermark embedding module, video frame uploading module and analyzing and processing mould
Block, the video frame acquisition module, video frame chosen module, ID databases, watermark embedding module, video frame uploading module and
Analysis and processing module is connected by wireless communication.
The video frame acquisition module, for intercepting the video frame for needing to add watermark.
The video frame chosen module, selectes the region for needing to add watermark from the video frame of acquisition, and will have
The video frame information of order is specified to be sent to watermark embedding module.
The ID databases, for storing ID codes.
Watermark embedding module, including microprocessor, watermark edit cell, watermark connection unit, watermark data storehouse, key fortune
Unit, Key generating unit and watermark embedder unit are calculated, watermark embedding module, which is used for insertion in the video frame, has encrypted water
Print;
The microprocessor, containing database, can store video frame, while the passage transmitted as information, according to
The video frame chosen module transmission of reception has the video frame information for specifying order, is simultaneously emitted by instruction and gives watermark edit cell
With key arithmetic element, then video frame is exported to watermark embedder unit;
The watermark edit cell, receives the instruction of microprocessor, the watermark in watermark data storehouse is extracted, according to video
Frame selection area size, to watermark into edlin, and the watermark information after editor is exported to watermark connection unit;
The watermark connection unit connects watermark edit cell and watermark embedder unit respectively, and watermark connection unit is used for
The transmission of watermark information;
The watermark data storehouse, for storing watermark;
The key arithmetic element, receives the instruction of microprocessor, calculates encrypted instruction and key instruction, and will refer to
Order is exported to Key generating unit;
The Key generating unit, receives encrypted instruction and the key instruction of the conveying of key arithmetic element, transfers ID numbers
According to the ID codes in storehouse, ID codes are added separately to encrypted instruction and key instructs, that is, generate encryption information and key information, will
The encryption information and key information of generation are exported to tree shade embedded unit;
The watermark information of reception and encryption information, are embedded in the selected area of video frame by watermark embedder unit with key information
In domain, the video frame after insertion is exported to video frame uploading module.
The video frame uploading module is connected with analysis and processing module, and video frame uploading module is used to upload encrypted water
Print video frame.
The analysis and processing module includes analytic unit, video frame decryption unit, again key storing unit, upper leaflet
Member, video frame extraction unit and watermark eliminate unit;
The analytic unit, analyzes the video frame of upload, if encryption, and if watermark meets the requirements,
According to crypto-analysis formula RM=SQRT { EV*AV/ (USL-LSL) }, if it is to continue upload to refer to obtain analysis result instruction 1
Order, video frame is exported to video frame decryption unit, if it is to eliminate instruction to obtain analysis result instruction 0, video frame is exported
To video frame extraction unit;
The video frame decryption unit, exports to close for parsing the key information in video frame, and by key information
Key storage unit, then exports the encrypted video frame containing watermark to uploading unit again;
The key storing unit, the key information for the parsing of storage frame decryption unit;
The uploading unit again, for uploading the encrypted video frame containing watermark;
The video frame extraction unit, exports to water for the video frame of extraction and analysis unit transportation, and by video frame
Print eliminates unit;
The watermark eliminates unit, for eliminating unqualified watermark and encryption information and key information in video frame,
Video frame is returned to video frame chosen module and re-starts embedded watermark.
It is provided by the invention a kind of based on the online video watermark analysis process system of safety encryption, need to add by selected
The video frame region of watermark, edits the watermark of corresponding region, calculates encryption information and key information, by encryption information, close
Key information and watermark are together embedded into video frame,, will be qualified encrypted by the analysis to video frame during upload
Video frame containing watermark continues to upload, but extracts key information therein, prevent video frame upload after to video work
Forgery and duplication, for underproof video frame, take unqualified watermark and encryption information and the key eliminated in video frame
Information, and video frame is returned to video frame chosen module and re-starts embedded watermark;So take encryption and watermark
Dual mode, effectively prevents and original works is distorted, forged and is replicated.
Above content is only to design example and explanation of the invention, affiliated those skilled in the art
Various modifications or additions are done to described specific embodiment or are substituted in a similar way, without departing from invention
Design or surmount scope defined in the claims, be within the scope of protection of the invention.
Claims (4)
1. one kind encrypts online video watermark analysis process system based on safety, it is characterised in that:Including video frame acquisition module,
Video frame chosen module, ID databases, watermark embedding module, video frame uploading module and analysis and processing module, the video
Frame acquisition module, video frame chosen module, ID databases, watermark embedding module, video frame uploading module and analysis and processing module
Connected by wireless communication;
The video frame chosen module, selectes the region for needing to add watermark from the video frame of acquisition, and will have and specify
The video frame information of order is sent to watermark embedding module;
The ID databases, for storing ID codes;
Watermark embedding module, including microprocessor, watermark edit cell, watermark connection unit, watermark data storehouse, key computing list
Member, Key generating unit and watermark embedder unit, watermark embedding module, which is used for insertion in the video frame, has encrypted watermark;
The microprocessor, containing database, can store video frame, while as the passage of information transmission, according to reception
The transmission of video frame chosen module there is the video frame information for specifying order, be simultaneously emitted by instruction to watermark edit cell and close
Key arithmetic element, then exports video frame to watermark embedder unit;
The watermark edit cell, receives the instruction of microprocessor, extracts the watermark in watermark data storehouse, is selected according to video frame
Determine area size, to watermark into edlin, and the watermark information after editor is exported to watermark connection unit;
The watermark connection unit connects watermark edit cell and watermark embedder unit respectively, and watermark connection unit is used for watermark
The transmission of information;
The watermark data storehouse, for storing watermark;
The key arithmetic element, receives the instruction of microprocessor, calculates encrypted instruction and key instruction, and will instruct defeated
Go out to Key generating unit;
The Key generating unit, receives encrypted instruction and the key instruction of the conveying of key arithmetic element, transfers ID databases
In ID codes, ID codes are added separately to encrypted instruction and key and are instructed, that is, generates encryption information and key information, will generate
Encryption information and key information export to tree shade embedded unit;
The watermark information of reception and encryption information, are embedded in the selection area of video frame by watermark embedder unit with key information
In, the video frame after insertion is exported to video frame uploading module.
It is 2. according to claim 1 a kind of based on the online video watermark analysis process system of safety encryption, it is characterised in that:
The video frame acquisition module, for intercepting the video frame for needing to add watermark.
It is 3. according to claim 1 a kind of based on the online video watermark analysis process system of safety encryption, it is characterised in that:
The video frame uploading module is connected with analysis and processing module, and video frame uploading module is used to upload encrypted watermark video
Frame.
It is 4. according to claim 1 a kind of based on the online video watermark analysis process system of safety encryption, it is characterised in that:
The analysis and processing module includes analytic unit, video frame decryption unit, again key storing unit, uploading unit, video
Frame extraction unit and watermark eliminate unit;
The analytic unit, analyzes the video frame of upload, if encryption, and if watermark meets the requirements, according to
Crypto-analysis formula RM=SQRT { EV*AV/ (USL-LSL) }, will if it is to continue uploading instructions to obtain analysis result instruction 1
Video frame is exported to video frame decryption unit, if it is to eliminate instruction to obtain analysis result instruction 0, video frame is exported to video
Frame extraction unit;
The video frame decryption unit, for parsing the key information in video frame, and key information is exported to key and is deposited
Storage unit, then exports the encrypted video frame containing watermark to uploading unit again;
The key storing unit, the key information for the parsing of storage frame decryption unit;
The uploading unit again, for uploading the encrypted video frame containing watermark;
The video frame extraction unit, for the video frame of extraction and analysis unit transportation, and video frame is exported to watermark and is disappeared
Except unit;
The watermark eliminates unit, for eliminating unqualified watermark and encryption information and key information in video frame, will regard
Frequency frame returns to video frame chosen module and re-starts embedded watermark.
Priority Applications (1)
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CN201711205286.7A CN107995525A (en) | 2017-11-27 | 2017-11-27 | One kind encrypts online video watermark analysis process system based on safety |
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CN201711205286.7A CN107995525A (en) | 2017-11-27 | 2017-11-27 | One kind encrypts online video watermark analysis process system based on safety |
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Family
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CN112911187A (en) * | 2020-11-30 | 2021-06-04 | 泰州市出彩网络科技有限公司 | System and method for judging video data tampering |
CN112954403A (en) * | 2019-11-26 | 2021-06-11 | 腾讯科技(深圳)有限公司 | Video encryption method, device, equipment and storage medium |
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