CN106878317A - A kind of video coding-decoding method and video monitoring system - Google Patents
A kind of video coding-decoding method and video monitoring system Download PDFInfo
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- CN106878317A CN106878317A CN201710114785.9A CN201710114785A CN106878317A CN 106878317 A CN106878317 A CN 106878317A CN 201710114785 A CN201710114785 A CN 201710114785A CN 106878317 A CN106878317 A CN 106878317A
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- 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
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/185—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source from a mobile camera, e.g. for remote control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The invention discloses a kind of video coding-decoding method and video monitoring system, wherein, video monitoring system includes mobile video terminal, secure accessing platform and video surveillance applications server, and the video coding-decoding method includes：The reception device of mobile video terminal receives video signal, and the video signal is sent into H265 encoders；After H265 encoders are merged by secure cryptographic algorithm interface with compression interface, encryption is compressed to video signal, the image after the treatment is sent to the secure accessing platform；Secure accessing platform carries out data deciphering filtering to the image after treatment, will obtain vedio data and sends to video surveillance applications server, is easy to it to check.Realize ensureing while video data is encrypted safely that video data transmission is synchronous by the present invention, picture clearly purpose.
Description
Technical field
The present invention relates to data encryption technology field, more particularly to a kind of coding and decoding video with hardware security encryption
Method and video monitoring system.
Background technology
At present, because Electric Power Capital Construction engineering safety quality control officer is relatively fewer, so infrastructure project safe mass
The means of supervision and oversight are mainly what is realized by off-line devices such as camera, video camera and recording pens.But due to these from
The data processing of line equipment relatively lags behind so that the construction progress of engineering, quality cannot real time inspections, it is impossible to provide effective figure
Piece or video record as Process of Engineering Construction foundation.In order to ensure the capital construction safe treatment of power network, informatization is improved,
Need to meet by real-time video monitoring the requirement of capital construction Information-based Item management and control.
Domestic transformer substation video monitoring has various solutions, and major part is using cable network mode, but this mode
Cannot be realized in the transformer station's constructin phase for not possessing cable network environment.Although also having wireless Video Supervision Technique at present, it is
Meet state's net secure accessing specification, it is ensured that the safety of data, traditional wireless video monitoring technology is in regarding in face of big data
When frequency flows hardware security encryption, typically use the complete package data after first being compressed, then split into multiple every two field pictures to enter respectively
Row hardware security is encrypted, and data are sent after whole bag is reformulated, and is so easily caused video data and is repeated to process and occur
Video is sent and postpones the problems such as with image quality difference, and bandwidth limitation is also suffered from transmission of video.It can be seen that meeting state
On the premise of net secure accessing specification, how to realize ensureing while video data is encrypted safely video data transmission it is synchronous and
Picture has clearly turned into the research emphasis in the current field.
The content of the invention
Above mentioned problem is directed to, the present invention provides a kind of video coding-decoding method and video monitoring system, is used to realize
Ensure video data transmission synchronization, picture clearly purpose while video data is encrypted safely.
To achieve these goals, according to the first aspect of the invention, there is provided a kind of method for video coding, the method is fitted
For video monitoring system, the video monitoring system includes mobile video terminal, secure accessing platform and video surveillance applications
Server, the video coding-decoding method includes：
The mobile video terminal includes reception device and H265 encoders, wherein, the reception device receives video counts
Word signal, and the video signal is sent to the H265 encoders；
After the H265 encoders are merged by secure cryptographic algorithm interface with compression interface, to the digital video
Signal is compressed encryption, the image after being processed, and the image after the treatment is sent to the secure accessing and is put down
Platform；
The secure accessing platform receives the image after the treatment, and data deciphering is carried out to the image after the treatment,
The ciphertext data that will be obtained be filtrated to get vedio data, and the vedio data is sent should to video monitoring
Use server；
The video surveillance applications server checks the vedio data.
Preferably, after the H265 encoders are merged by secure cryptographic algorithm interface with compression interface, to described
Video signal is compressed encryption, the image after being processed, and the image after the treatment is sent to the peace
Full access platform, including：
The H265 encoders carry out image segmentation using compression algorithm to the video signal for receiving, and are split
Image block afterwards, wherein cut size orientate 64 × 64 as；
The H265 encoders are recompilated by the secure cryptographic algorithm interface, and the safety encryption is calculated
After method interface is written to the compression interface, encryption is compressed to the image block after the segmentation, after being processed
Image, the image after the treatment is sent to the secure accessing platform.
Preferably, the secure accessing platform receives the image after the treatment, and line number is entered to the image after the treatment
According to decryption, the ciphertext data that will be obtained be filtrated to get vedio data, and the vedio data is sent to regarding
Include before frequency monitoring application server：
The secure accessing platform judges whether the mobile video terminal meets authentication, receives described if meeting
The data that mobile video terminal sends.
Preferably, the authentication includes safe encrypted card certification, digital certificate authentication or secure client authentication.
According to the second aspect of the invention, there is provided a kind of video monitoring system, the system includes mobile video terminal, peace
Full access platform and video surveillance applications server, wherein,
The mobile video terminal includes reception device and H265 encoders, wherein, the reception device is regarded for receiving
Frequency data signal, and the video signal is sent to the H265 encoders；
The H265 encoders, after being merged with compression interface by secure cryptographic algorithm interface, are regarded to described
Frequency data signal is compressed encryption, the image after being processed, and the image after the treatment is sent to the safety
Access platform；
The secure accessing platform, for receiving the image after the treatment, data is carried out to the image after the treatment
Decryption, the ciphertext data that will be obtained is carried out being filtrated to get vedio data, and the vedio data is sent to video
Monitoring application server；
The video surveillance applications server, for checking the vedio data.
Preferably, the H265 encoders include：
Cutting unit, for carrying out image segmentation to the video signal for receiving using H265 compression algorithms, obtains
Image block after segmentation, wherein cut size orientate 64 × 64 as；
Compression cryptographic processing unit, for being recompilated by the secure cryptographic algorithm interface, by the peace
After full AES interface is written to the compression interface, encryption is compressed to the image block after the segmentation, obtained
Image after treatment, the image after the treatment is sent to the secure accessing platform.
Preferably, the secure accessing platform includes：
Judging unit, for judging whether the mobile video terminal meets authentication, the shifting is received if meeting
The data that dynamic video terminal sends.
Compared to prior art, video monitoring system of the invention is comprising mobile video terminal, secure accessing platform and regards
Frequency monitoring application server, video signal is received by the reception device of mobile video terminal, and by the digital video
Signal is sent to H265 encoders；After H265 encoders are merged by secure cryptographic algorithm interface with compression interface, to regarding
Frequency data signal is compressed encryption, and the image after the treatment is sent to the secure accessing platform；Secure accessing
Platform carries out data deciphering filtering to the image after treatment, will obtain vedio data and sends to video surveillance applications service
Device, is easy to it to check.It is packaged by the compression interface to H265 encoders in the present invention, by data in compression per frame figure
Data hardware is completed while picture to encrypt safely, need not be split during transmission video and group bag, directly transmit data, and then realize
Ensure video data transmission synchronization, picture clearly purpose while video data is encrypted safely.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of video monitoring system that the embodiment of the present invention one is provided；
Fig. 2 is a kind of schematic flow sheet of method for video coding that the embodiment of the present invention one is provided；
Fig. 3 is the image after H265 encoders in the corresponding Fig. 2 of the embodiment of the present invention one in step S12 are processed
Schematic flow sheet；
Fig. 4 is capital construction scene monitoring remote video secure accessing Organization Chart；
Fig. 5 is a kind of structural representation of video monitoring system that the embodiment of the present invention two is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Term " first " and " second " in description and claims of this specification and above-mentioned accompanying drawing etc. are for area
Not different object, rather than for describing specific order.In addition term " comprising " and " having " and their any deformations,
It is intended to cover non-exclusive including.For example contain the process of series of steps or unit, method, system, product or set
It is standby not to be set in the step of having listed or unit, but may include the step of not listing or unit.
Embodiment one
Reference picture 1 is the structural representation and a kind of video of Fig. 2 of a kind of video monitoring system that embodiment one is provided
The schematic flow sheet of coding method, wherein, video monitoring system includes mobile video terminal 1, secure accessing platform 2 and video prison
Control application server 3, the mobile video terminal 1 includes reception device and H265 encoders, the video coding-decoding method bag
Include following steps：
S11, the mobile video terminal include reception device and H265 encoders, wherein, the reception device is received and regarded
Frequency data signal, and the video signal is sent to the H265 encoders；
After S12, the H265 encoders are merged by secure cryptographic algorithm interface with compression interface, to the video
Data signal is compressed encryption, the image after being processed, and the image after the treatment is sent to the safety and is connect
After entering platform, step S13 is performed；
Specifically, being at the H265 encoder acquisitions in the corresponding Fig. 2 of the embodiment of the present invention one in step S12 referring to Fig. 3
The schematic flow sheet of the image after reason, the step includes：
S21, the H265 encoders carry out image segmentation using compression algorithm to the video signal for receiving, and obtain
Image block after segmentation, wherein cut size orientate 64 × 64 as；
May be appreciated, although H265 encoders support that multiple modular concurrents are calculated, but equally can also cause system design
Complexity and hardware resource the problems such as increase, taken so considering guarantee and reducing hardware resource, can be using coding
Tree-like manner, unified size, separate image block are divided into by frame of video, because being HD video data, will split chi
It is very little to orientate 64 × 64 as, compression ratio higher can be so obtained, while the speed of hardware security encryption can be improved.
S22, the H265 encoders are recompilated by the secure cryptographic algorithm interface, and the safety is added
After close algorithm interface is written to the compression interface, encryption is compressed to the image block after the segmentation, is processed
Image afterwards, the image after the treatment is sent to the secure accessing platform.
Specifically, the compressed software interface of image block is provided in H265 addressable ports first, by Resealing H265
Interface, will the relevant interface SDK of secure cryptographic algorithm be added in the coding of H265 and recompilate, it is ensured that H265 interface functions
In the case of name and parameter constant, secure cryptographic algorithm interface is written in tile compression software interface, so that peace
Full AES interface is merged with compression interface, it is possible to achieve the view data bag for receiving first is calculated according to original compression
Method is compressed, and the data flow after compression is no longer directly returned, but is formed after being encrypted according to safe encryption rule
New data flow, will original compressed data stream become the compressed data stream with safe encryption rule.
S13, the secure accessing platform receive the image after the treatment, and data solution is carried out to the image after the treatment
Close, the ciphertext data that will be obtained is carried out being filtrated to get vedio data, and the vedio data is sent to video prison
Control application server；
Specifically, the image after secure accessing platform receives the treatment, data are carried out to the image after the treatment
Decryption, the ciphertext data that will be obtained is carried out being filtrated to get vedio data, and the vedio data is sent to video
Include before monitoring application server：The secure accessing platform judges whether the mobile video terminal meets authentication,
The data that the mobile video terminal sends are received if meeting.
It should be understood that the secure accessing of mobile video terminal is used uniformly across special security protocol specification to realize safety
Protection, including terminal access money key agreement and terminal access after communication process in by hardware encryption card carry out plus solution
It is close, it is ensured that the channel security of the safe compliance of access terminal and data transfer, authentication preferred security encryption in the present invention
Card certification, digital certificate authentication or secure client authentication, equally can also be using other identification authentication modes, as long as ensureing
Goal of the invention of the invention can be realized.
Reference picture 4 is capital construction scene monitoring remote video secure accessing Organization Chart, can obtain mobile video terminal and pass through
Wireless aps N private networks, are communicated using safe encrypted card and the security protocol video acquisition access gateway color with secure accessing flounder, are passed through
The safety prevention measure such as the certification of video access device and access control, Intranet application server data are completed to after parsing data
Secure accessing.
S14, the video surveillance applications server check the vedio data.
Technical scheme disclosed in embodiments in accordance with the present invention one, video is received by the reception device of mobile video terminal
Data signal, and the video signal is sent to H265 encoders；H265 encoders pass through secure cryptographic algorithm interface
After being merged with compression interface, encryption is compressed to video signal, by the image after the treatment send to
The secure accessing platform；Secure accessing platform carries out data deciphering filtering to the image after treatment, will obtain video image number
According to sending to video surveillance applications server, it is easy to it to check.It is packaged by the compression interface to H265 encoders, by number
Encrypted according to data hardware safety is completed while compression is per two field picture, without splitting and organizing bag during transmission video, directly transmitted
Data, so realize ensureing while video data is encrypted safely that video data transmission is synchronous, picture clearly purpose.
Embodiment two
A kind of method for video coding according to embodiments of the present invention one, the embodiment of the present invention two is supervised there is provided a kind of video
Control system, referring to the structural representation that Fig. 5 is the video monitoring system, the system is flat comprising mobile video terminal 1, secure accessing
Platform 2 and video surveillance applications server 3, wherein,
The mobile video terminal 1 includes reception device 11 and H265 encoders 12, wherein, the reception device 11 is used
In reception video signal, and the video signal is sent to the H265 encoders 12；
The H265 encoders 12, after being merged with compression interface by secure cryptographic algorithm interface, to described
Video signal is compressed encryption, the image after being processed, and the image after the treatment is sent to the peace
Full access platform 2；
Specifically, the H265 encoders 12 include：
Cutting unit 121, for carrying out image segmentation to the video signal for receiving using H265 compression algorithms, obtains
Image block after must splitting, wherein cut size orientate 64 × 64 as；
Compression cryptographic processing unit 122, for being recompilated by the secure cryptographic algorithm interface, will be described
After secure cryptographic algorithm interface is written to the compression interface, encryption is compressed to the image block after the segmentation, obtained
Image after must processing, the image after the treatment is sent to the secure accessing platform.
The secure accessing platform 2, for receiving the image after the treatment, data is carried out to the image after the treatment
Decryption, the ciphertext data that will be obtained is carried out being filtrated to get vedio data, and the vedio data is sent to video
Monitoring application server 3；
The video surveillance applications server 3, for checking the vedio data.
In embodiments of the invention two, mobile video terminal receives signal by reception device, and is encoded by H265
Compression cryptographic processing unit in device carries out coding completion data safety to image and encrypts and create compressed file, after treatment
Image sends to secure accessing platform and carries out data deciphering, and the ciphertext data that will be obtained carries out being filtrated to get vedio data,
And send to video surveillance applications server the vedio data, for checking the vedio data, due to
H265 decoders-Synchronous complete the compression of data and safety is encrypted, and then realize ensureing while video data is encrypted safely
Video data transmission is synchronous, picture clearly purpose.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For method disclosed in embodiment
For, because it is corresponding with device disclosed in embodiment, so description is fairly simple, related part is said referring to device part
It is bright.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (7)
1. a kind of video coding-decoding method, it is characterised in that the method is applied to video monitoring system, the video monitoring system
Comprising mobile video terminal, secure accessing platform and video surveillance applications server, the video coding-decoding method includes：
The mobile video terminal includes reception device and H265 encoders, wherein, the reception device receives digital video letter
Number, and the video signal is sent to the H265 encoders；
After the H265 encoders are merged by secure cryptographic algorithm interface with compression interface, to the video signal
Encryption is compressed, the image after being processed sends to the secure accessing platform image after the treatment；
The secure accessing platform receives the image after the treatment, and data deciphering is carried out to the image after the treatment, will
To ciphertext data be filtrated to get vedio data, and the vedio data is sent to video surveillance applications clothes
Business device；
The video surveillance applications server checks the vedio data.
2. method according to claim 1, it is characterised in that the H265 encoders by secure cryptographic algorithm interface with
After compression interface is merged, encryption is compressed to the video signal, the image after being processed will be described
Image after treatment is sent to the secure accessing platform, including：
The H265 encoders carry out image segmentation using compression algorithm to the video signal for receiving, after being split
Image block, wherein cut size orientate 64 × 64 as；
The H265 encoders are recompilated by the secure cryptographic algorithm interface, and the secure cryptographic algorithm is connect
After mouth is written to the compression interface, encryption is compressed to the image block after the segmentation, the image after being processed,
Image after the treatment is sent to the secure accessing platform.
3. method according to claim 1, it is characterised in that the secure accessing platform receives the figure after the treatment
Picture, data deciphering is carried out to the image after the treatment, and the ciphertext data that will be obtained carries out being filtrated to get vedio data, and
The vedio data is sent to before video surveillance applications server to be included：
The secure accessing platform judges whether the mobile video terminal meets authentication, and the movement is received if meeting
The data that video terminal sends.
4. method according to claim 3, it is characterised in that the authentication includes safe encrypted card certification, numeral
Certificate verification or secure client authentication.
5. a kind of video monitoring system, it is characterised in that the system includes mobile video terminal, secure accessing platform and video prison
Control application server, wherein,
The mobile video terminal includes reception device and H265 encoders, wherein, the reception device, for receiving video counts
Word signal, and the video signal is sent to the H265 encoders；
The H265 encoders, after being merged with compression interface by secure cryptographic algorithm interface, to the video counts
Word signal is compressed encryption, the image after being processed, and the image after the treatment is sent to the secure accessing
Platform；
The secure accessing platform, for receiving the image after the treatment, data deciphering is carried out to the image after the treatment,
The ciphertext data that will be obtained be filtrated to get vedio data, and the vedio data is sent should to video monitoring
Use server；
The video surveillance applications server, for checking the vedio data.
6. system according to claim 5, it is characterised in that the H265 encoders include：
Cutting unit, for carrying out image segmentation to the video signal for receiving using H265 compression algorithms, is split
Image block afterwards, wherein cut size orientate 64 × 64 as；
Compression cryptographic processing unit, for being recompilated by the secure cryptographic algorithm interface, the safety is added
After close algorithm interface is written to the compression interface, encryption is compressed to the image block after the segmentation, is processed
Image afterwards, the image after the treatment is sent to the secure accessing platform.
7. system according to claim 5, it is characterised in that the secure accessing platform includes：
Judging unit, for judging whether the mobile video terminal meets authentication, receives the movement and regards if meeting
The data that frequency terminal sends.
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Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 building 710 room research Applicant after: BEIJING CHINA POWER INFORMATION TECHNOLOGY Co.,Ltd. Applicant after: STATE GRID INFORMATION & TELECOMMUNICATION GROUP Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 building 710 room research Applicant before: BEIJING CHINA POWER INFORMATION TECHNOLOGY Co.,Ltd. Applicant before: STATE GRID INFORMATION & TELECOMMUNICATION GROUP Co.,Ltd. Applicant before: State Grid Corporation of China |
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Application publication date: 20170620 |