CN102223521A - Intelligent face recognition video monitor tape storage system and realization method thereof - Google Patents
Intelligent face recognition video monitor tape storage system and realization method thereof Download PDFInfo
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- CN102223521A CN102223521A CN2011101166161A CN201110116616A CN102223521A CN 102223521 A CN102223521 A CN 102223521A CN 2011101166161 A CN2011101166161 A CN 2011101166161A CN 201110116616 A CN201110116616 A CN 201110116616A CN 102223521 A CN102223521 A CN 102223521A
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Abstract
The invention discloses an intelligent face recognition video monitor tape storage system, comprising a coding-decoding computing module, a face recognition computing module, a first video acquisition module, a second video acquisition module, a video conversion module, a system bus, a video decoding module and a video output module, wherein the video acquisition module is sequentially connected with the video conversion module, the coding-decoding computing module, the face recognition computing module and the system bus. The method for realizing the intelligent face recognition video monitor tape storage is as follows: the video acquisition module is utilized to acquire an analog video signal and carry out digital-to-analog conversion, and video display and storage can be realized by decoding-coding processing through bus transmission. Compared with the prior art, the workload of the complex manual video playback after-event acquiring of the video monitor tape is radically changed and passive alarm is changed into automatic face recognition early warning, so that the intelligent problem of face recognition video monitor tape storage in the security video monitoring is solved, therefore, the intellectualization of security video monitoring is realized.
Description
Technical field
The present invention relates to monitoring video storage system and its implementation, relate in particular to a kind of intelligent recognition of face surveillance video storage system and its implementation.
Background technology
The embedded hard disc video tape recorder since coming out the beginning of this century, through short time more than ten years, experienced two generation product.First generation embedded hard disc video tape recorder makes video monitoring move towards digitlization.It passes through the image of simulation after the video compression, on video stream data (abbreviation code stream) the record digital storage media with compression, such as being recorded on the hard disk, and can read from hard disk and carry out playback, because characteristics such as the preservation of Video Document and retrieval evidence obtaining are convenient are so replaced traditional long delay analog vtr gradually.Second generation embedded hard disc video tape recorder makes video monitoring move towards networking, on the basis of first generation embedded hard disc video tape recorder, second generation embedded hard disc video tape recorder has increased network interface, code stream sends online by this network interface (being generally Ethernet interface), share, visit for the network user, so second generation embedded hard disc video tape recorder combines video monitoring with the TCP/IP network, had network function, can constitute the monitoring network system of a safety precaution with application software.
DVR in the market, the overwhelming majority belong to product in second generation early stage, basic forming aspect functional.Yet, because the factor of technology and cost, make currently marketed DVR still exist a lot of parts not fully up to expectations in many aspects, this has shown that also product itself exists huge development space, and then improves the efficient of video monitoring to intelligent development.
The major function that present DVR provides comprises supervision monitoring, video recording, playback, warning I/O, the control of The Cloud Terrace camera lens, Network Transmission and some other miscellaneous function of looking audio frequency, as OSD (on-screen display) stack, speech talkback, data acquisition or the like.Both at home and abroad manufacturer is a lot, and the function of realization is also much the same, but the difference of aspect of performances such as its stability, reliability, ease for use, extensibility, integration is very big, and this main and the technical merit of manufacturer, implementation of product have much relations.
Because the video monitoring technology is constantly development along with development of computer, monitoring is had higher requirement, it is exactly intelligent video monitoring, intellectuality is meant artificial intelligence technology is integrated into it in supervisory control system, identification, processing that feasible script needs the operator on duty to get involved are transferred to computer and are finished, thereby alleviate operator on duty's workload greatly, improve the quality of in advance handling simultaneously.
In a word, the security protection video monitoring also is the intrusion alarm real-time scene repeated storage and simple at present, also fundamentally do not change the loaded down with trivial details artificial huge workload of inquiry afterwards, people need a kind of intelligent recognition of face surveillance video storage device that has, and solve the intelligent problem of safety monitoring.
Summary of the invention
The object of the present invention is to provide a kind of intelligent recognition of face surveillance video storage device that has, solve the not high problem of the intelligent degree of safety defense monitoring system that exists in the prior art, alleviate monitoring operator in charge's workload.
The present invention adopts following technical scheme to realize:
A kind of intelligent recognition of face surveillance video storage system, it is characterized in that, comprise encoding and decoding computing module, recognition of face computing module, first video acquisition module and second video acquisition module, video conversion module, system bus, video decode module, video output module, wherein:
First and second video acquisition module is used for the video analog signal in acquisition monitoring place;
Video conversion module is used for video analog signal is converted to digital signal;
The encoding and decoding computing module is used to control whole system and handles coding and decoding video;
The recognition of face computing module is used to carry out face recognition algorithms computing and the self check of surveillance video storage system work of treatment;
The video decode module is used for digital-to-analogue conversion and exports analog signal;
Video shows memory module, is used for showing and store video information;
System bus is used for transmission information between encoding and decoding computing module, recognition of face computing module, video display module and the video storage module;
Described first video acquisition module is connected with system bus successively with video conversion module, encoding and decoding computing module; Described second video acquisition module is connected with system bus successively with video conversion module, recognition of face computing module; Described system bus shows that with video memory module is connected.
Further, described first and second video acquisition module is respectively a monitoring camera, and described monitoring camera is connected with the video decode module by coaxial cable.
Further, described encoding and decoding computing module comprises:
First digital signal processor is used for encoding video signal and decoding processing;
First synchronous DRAM is used to store the internal processes of first digital signal processor;
First flash memory, be used for application storing and with the second digital signal processor swap data;
First complicated programmable logic device is used for the expansion of system bus and handles first digital signal processor and the signal of first flash memory.
Described first digital signal processor links to each other with first synchronous DRAM, first flash memory and first complicated programmable logic device respectively.
Further, described recognition of face computing module comprises:
Second digital signal processor is used to carry out face recognition algorithms computing and System self-test;
Second synchronous DRAM is used to store the first digital signal processor internal processes;
Second flash memory is used for application storing, face recognition algorithms code and carries out exchanges data with first digital signal processor;
Second complicated programmable logic device is used for the expansion of system bus and handles second digital signal processor and the signal of second flash memory.
Described second digital signal processor links to each other with second synchronous DRAM, second flash memory and second complicated programmable logic device respectively.
Further, video shows that memory module comprises: analog video shows output, VGA interface, RS232/485 communication interface, RJ-45 network interface, SATA hard disk and USB serial ports.
Further, described system bus comprises: data/address bus, control bus and expansion bus.
A kind of method that realizes intelligent recognition of face surveillance video storage is characterized in that this method comprises the steps:
1) video analog signal in acquisition monitoring place;
2) video analog signal is converted to digital signal;
3) video signal being carried out Code And Decode handles;
4) video signal that has carried out the Code And Decode processing is carried out the face recognition algorithms computing;
5) by system bus the operation result of step 4) is passed to video encoding module;
6) digital signal is converted to analog signal and analog signal is passed to video shows that memory module shows output or digital signal transfers to video storage module is stored.
Further, utilize the camera collection video analog signal in the step 1);
Further, comprise step 2):
Video analog signal is sent to the encoding and decoding computing module by coaxial cable, and the encoding and decoding computing module is used to handle coding and decoding video;
And/or
Video analog signal is sent to the recognition of face computing module by coaxial cable, carries out face recognition algorithms computing and the self check of surveillance video storage system work of treatment.
The useful technique effect that the present invention has is:
Intelligence recognition of face surveillance video storage device is provided at scene record storage in the input video stream, monitor that monitoring, video recording, playback, warning I/O, the control of The Cloud Terrace camera lens, Network Transmission, speech talkback, people's face detect, gather that people's face network is uploaded, people's face stack scene, people's face comparison identification are reported to the police output and face database inquiry, and connects the monitor network that the networking that realizes between the video tape recorder realizes intelligent recognition of face by network.The hardware core of its intelligent recognition of face surveillance video storage device adopts the embedded dsp DSP of efficient high-speed, and the core of software adopts the H.264 encoding and decoding of efficient optimization and based on the intelligent face recognition algorithms of Gabor wavelet transformation, PCA principal component analysis, SVM support vector machine classifier.Feasible the powerful of intelligent recognition of face surveillance video storage system based on DSP is suitable for, and Installation and Debugging are simple and convenient, are fit to the security protection video monitoring in various places.
Description of drawings
Fig. 1 is overall framework figure of the present invention.
Fig. 2 is software architecture figure of the present invention.
Embodiment
By following description to embodiment; to help public understanding the present invention more; but can't the specific embodiment that the applicant is given be considered as restriction to technical solution of the present invention, any definition to parts or technical characterictic change and/or to overall structure do form but not the conversion of essence all should be considered as the protection range that technical scheme of the present invention limits.
Overall framework figure of the present invention as shown in Figure 1, video analog signal by video acquisition module acquisition monitoring place, carry out analog-to-digital conversion then and digital signal transfers is carried out encoding and decoding computing, face recognition algorithms computing and System self-test to digital signal processor, digital video signal is carried out high compression and storage, analog video or digital video broadcast can be carried out by output interface at last, USB interface, RS232/485 serial ports or output of 100,000,000 network interfaces and storage can also be passed through.
Hardware structure figure of the present invention as shown in Figure 2, first video acquisition module 101, video conversion module 102, encoding and decoding computing module 103 orders link to each other, first video acquisition module 101 is by the analog video signal of camera collection to the monitoring place, by coaxial cable BNC analog video signal is sent to video conversion module 102 and carries out analog-to-digital conversion, digital signal is sent to encoding and decoding computing module 103 and carries out the coding and decoding video processing.Comprise first digital signal processor DSP 1 in the encoding and decoding computing module 103, first digital signal processor DSP 1 links to each other with synchronous DRAM SDRAM, flash memory FLASH, complicated programmable logic device CPLD and video decode module respectively, and the JTAG emulation interface also links to each other with encoding and decoding computing module 103.The hardware structure of recognition of face computing module 113 is identical with encoding and decoding computing module 103, the difference part is that second digital signal processor DSP 2 is used to carry out face recognition algorithms computing and surveillance video storage system self check work of treatment, repeats no more at this hardware structure to recognition of face computing module 113.System bus 12 receives treated digital signal and distributes to video and shows output or storage.System bus 12 comprises data/address bus, control bus and expansion bus, is used for the transmission information of supervisory control system each several part.System bus 12 shows memory module 13 with treated digital data transmission to video and stores, perhaps the video decode module by digital-to-analogue conversion with analog signal transmission to video display module, watch for the policer operation personnel.System bus 12 has the interface expansion, can connect analog video and show that output, VGA interface, USB interface, RS232/485 serial ports, SATA hard disk or 100,000,000 network interfaces carry out video demonstration or storage.
Certainly; the present invention can also have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (9)
1. intelligent recognition of face surveillance video storage system, it is characterized in that, comprise encoding and decoding computing module, recognition of face computing module, first video acquisition module and second video acquisition module, video conversion module, system bus, video decode module, video output module, wherein:
First and second video acquisition module is used for the video analog signal in acquisition monitoring place;
Video conversion module is used for video analog signal is converted to digital signal;
The encoding and decoding computing module is used to control whole system and handles coding and decoding video;
The recognition of face computing module is used to carry out face recognition algorithms computing and the self check of surveillance video storage system work of treatment;
The video decode module is used for digital-to-analogue conversion and exports analog signal;
Video shows memory module, is used for showing and store video information;
System bus is used for transmission information between encoding and decoding computing module, recognition of face computing module, video display module and the video storage module;
Described first video acquisition module is connected with system bus successively with video conversion module, encoding and decoding computing module; Described second video acquisition module is connected with system bus successively with video conversion module, recognition of face computing module; Described system bus shows that with video memory module is connected.
2. intelligent recognition of face surveillance video storage system according to claim 1 is characterized in that described first and second video acquisition module is respectively a monitoring camera, and described monitoring camera is connected with the video decode module by coaxial cable.
3. intelligent recognition of face surveillance video storage system according to claim 1 is characterized in that described encoding and decoding computing module comprises:
First digital signal processor is used for encoding video signal and decoding processing;
First synchronous DRAM is used to store the internal processes of first digital signal processor;
First flash memory, be used for application storing and with the second digital signal processor swap data;
First complicated programmable logic device is used for the expansion of system bus and handles first digital signal processor and the signal of first flash memory.
Described first digital signal processor links to each other with first synchronous DRAM, first flash memory and first complicated programmable logic device respectively.
4. intelligent recognition of face surveillance video storage system according to claim 1 is characterized in that described recognition of face computing module comprises:
Second digital signal processor is used to carry out face recognition algorithms computing and System self-test;
Second synchronous DRAM is used to store the first digital signal processor internal processes;
Second flash memory is used for application storing, face recognition algorithms code and carries out exchanges data with first digital signal processor;
Second complicated programmable logic device is used for the expansion of system bus and handles second digital signal processor and the signal of second flash memory.
Described second digital signal processor links to each other with second synchronous DRAM, second flash memory and second complicated programmable logic device respectively.
5. intelligent recognition of face surveillance video storage system according to claim 1, it is characterized in that video shows that memory module comprises: analog video shows output, VGA interface, RS232/485 communication interface, RJ-45 network interface, SATA hard disk and USB serial ports.
6. according to each described intelligent recognition of face surveillance video storage system in the claim 1 to 5, it is characterized in that described system bus comprises: data/address bus, control bus and expansion bus.
7. a method that realizes intelligent recognition of face surveillance video storage is characterized in that this method comprises the steps:
1) video analog signal in acquisition monitoring place;
2) video analog signal is converted to digital signal;
3) video signal being carried out Code And Decode handles;
4) video signal that has carried out the Code And Decode processing is carried out the face recognition algorithms computing;
5) by system bus the operation result of step 4) is passed to video encoding module;
6) digital signal is converted to analog signal and analog signal is passed to video shows that memory module shows output or digital signal transfers to video storage module is stored.
8. the method for the intelligent recognition of face surveillance video storage of realization according to claim 7 is characterized in that, utilizes the camera collection video analog signal in the step 1).
9. the method for the intelligent recognition of face surveillance video of realization according to claim 8 storage is characterized in that step 2) in comprise:
Video analog signal is sent to the encoding and decoding computing module by coaxial cable, and the encoding and decoding computing module is used to handle coding and decoding video;
And/or
Video analog signal is sent to the recognition of face computing module by coaxial cable, carries out face recognition algorithms computing and the self check of surveillance video storage system work of treatment.
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| CN102665054A (en) * | 2012-05-10 | 2012-09-12 | 江苏友上科技实业有限公司 | Network video recorder system for fast face retrieval |
| CN103207991A (en) * | 2013-03-26 | 2013-07-17 | 苏州福丰科技有限公司 | Face recognition chip |
| CN106355155A (en) * | 2016-08-31 | 2017-01-25 | 张北江 | Method and system for recognizing faces in video |
| CN107483864A (en) * | 2017-09-15 | 2017-12-15 | 赵立峰 | A kind of monitoring video device |
| CN111031276A (en) * | 2019-07-19 | 2020-04-17 | 广东电网有限责任公司梅州供电局 | Intelligent video monitoring system for installing high-voltage cable accessories |
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| CN102665054A (en) * | 2012-05-10 | 2012-09-12 | 江苏友上科技实业有限公司 | Network video recorder system for fast face retrieval |
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| CN102223521B (en) | 2013-08-14 |
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