CN103188479B - A kind of video monitoring system based on optical fiber interface and method for supervising thereof - Google Patents
A kind of video monitoring system based on optical fiber interface and method for supervising thereof Download PDFInfo
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- CN103188479B CN103188479B CN201110444771.6A CN201110444771A CN103188479B CN 103188479 B CN103188479 B CN 103188479B CN 201110444771 A CN201110444771 A CN 201110444771A CN 103188479 B CN103188479 B CN 103188479B
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Abstract
The invention discloses a kind of video monitoring system based on optical fiber interface and method for supervising thereof, wherein this system comprises: CCTV camera and monitor terminal, and CCTV camera is connected by optical fiber interface with monitor terminal; CCTV camera transmits uncompressed image to monitor terminal, and time delay is much smaller than existing network CCTV camera; The uncompressed image transmitted does not have image detail to lose, and is conducive to carrying out video analysis; CCTV camera optical fiber built-in communication module, can carry out long range propagation; Video compression is placed on monitor terminal, is conducive to centralized maintenance, and video monitoring system of the present invention achieves video monitoring.
Description
Technical field
The present invention relates to safety defense monitoring system apparatus field, particularly relate to a kind of video monitoring system based on optical fiber interface and method for supervising thereof.
Background technology
In recent years, along with the progress of scientific and technological level, security protection industry is also developing fast, and current supervisory control system experienced by simulation monitoring, digital monitoring, networked control three phases.The resolution of CCTV camera has also developed into high definition (HD) and full HD (FullHD) from SD.
Current high-definition network camera, is sent to monitor terminal by Ethernet by the video data after compression.Monitor terminal stores the compressed video data that high-definition network camera transmits, and decompression shows.
But at least there are the following problems for the high-definition network camera adopted at present:
(1) data processing amount due to HD video compression and decompression is very big, and this just causes has larger time delay from monitoring site to terminal demonstration, cannot ensure the real-time monitored;
(2) HD video is after these two processes of compression and decompression, and the quality of image can decline to some extent, and the detailed information of object can be lost, and the visual effect of impact monitoring, is unfavorable for utilizing video to carry out intellectual analysis simultaneously;
(3) actual engineering finds in using, existing high-definition network camera is due to inner principle complexity, the heating of coding host processor chip is larger, cause the reliability of complete machine under the outdoor environment such as severe cold, high temperature poor, and video camera needs to be erected at outdoor higher position usually, safeguard extremely inconvenient, so cannot large-scale promotion;
(4) signal of telecommunication Ethernet interface that adopts of existing high-definition network camera farthest transmission range be no more than 500m, external Ethernet optical transmitter and receiver must be coordinated just to carry out long range propagation, and the increase of equipment causes the reliability of system to decline further.
Summary of the invention
The object of the present invention is to provide a kind of video monitoring system based on optical fiber interface and method for supervising thereof, for solving the real-time that prior art cannot ensure to monitor, image quality loss image intellectual analysis, high-definition network camera reliability is poor, it is extremely inconvenient to safeguard and high-definition network camera cannot the problem of long range propagation.
To achieve these goals, the invention provides a kind of video monitoring system based on optical fiber interface, it is characterized in that, comprising: CCTV camera and monitor terminal, described CCTV camera is connected by described optical fiber interface with described monitor terminal;
Wherein, described CCTV camera comprises:
Image capture module, for according to instruction acquisition video data;
Image processing module, connects described image capture module, carries out image procossing, and send described instruction to described image capture module for the parameter transmitted according to described monitor terminal to described video data;
First fiber optic telecommunications module, connects described image processing module, for being realized the data communication between described CCTV camera and described monitor terminal by described optical fiber interface;
Wherein, described monitor terminal comprises:
Second fiber optic telecommunications module, connects described for being realized the data communication between described monitor terminal and described CCTV camera by described optical fiber interface;
Video compressing module, connects described second fiber optic telecommunications module, and the video data for transmitting described second fiber optic telecommunications module carries out compression process;
Ethernet communication module, connects described second fiber optic telecommunications module, described video compressing module, for being transmitted by the video data after compression process, and described parameter is sent to described second fiber optic telecommunications module;
Vision signal modular converter, connects described second fiber optic telecommunications module, is converted to discernible vision signal, to realize video monitoring for the video data transmitted by described second fiber optic telecommunications module.Described video monitoring system, wherein, described image capture module comprises further: optical lens, optical sensor module;
Optical sensor module, for accepting described instruction, obtaining light signal by described optical lens, described light signal being converted to digital signal, obtaining described video data, and be sent to described image processing module.
Described video monitoring system, wherein, described image processing module comprises further: image format conversion module, colour space transformation module, timing adjustment module and parameter setting module;
Described image format conversion module receives described video data from described optical sensor module, carry out image interpolation process, recover RGB tri-kinds of colors of each pixel, afterwards RGB color data is passed to described colour space transformation module, the data of RGB color space are converted to the data of YUV color space by described colour space transformation module, and passing to described timing adjustment module, the data of YUV color space carry out exporting to described first fiber optic telecommunications module according to video format sequential by described timing adjustment module;
Described parameter setting module receives the instruction that described first fiber optic telecommunications module transmits, and after carrying out packet encapsulation, converts the data packet format that described image capture module receives to, passes to described image capture module.
Described video monitoring system, wherein, described first fiber optic telecommunications module comprises further:
Data parallel serial conversion module, carries out parallel-serial conversion for the video data exported by described image processing module;
First photoelectric conversion module, connect described data parallel serial conversion module, be sent to described optical fiber interface for the video data after parallel-serial conversion is converted to light signal, and the light signal received from described optical fiber interface be converted to the signal of telecommunication and be sent to described data parallel serial conversion module.
Described video monitoring system, wherein, described data parallel serial conversion module is FPGA or CPLD of special parallel-serial conversion chip or band high-speed transceiver, and described first photoelectric conversion module is general light module or dedicated optical module.
Described video monitoring system, wherein, described second fiber optic telecommunications module comprises further:
Second photoelectric conversion module, for being converted to the signal of telecommunication by the light signal received from described optical fiber interface;
Serial data modular converter, connect described second photoelectric conversion module, for receiving the described signal of telecommunication, and after the described signal of telecommunication is carried out serioparallel exchange, be sent to described video compressing module, described vision signal modular converter, described ethernet communication module, and the signal of telecommunication received from described ethernet communication module is sent to described second photoelectric conversion module.
Described video monitoring system, wherein, described second photoelectric conversion module is general light module or dedicated optical module, and described serial data modular converter are FPGA or CPLD of special serioparallel exchange chip or band high-speed transceiver.
Described video monitoring system, wherein, described image processing module is special ISP chip or general FPGA, described video compressing module is digital signal processor or dedicated video compression SOC, described ethernet communication module is the processor with ethernet communication function, and described vision signal modular converter is special video signal format conversion chip.
To achieve these goals, the invention provides a kind of video frequency monitoring method based on optical fiber interface, it is characterized in that, comprising:
Step one, is communicated to connect CCTV camera and monitor terminal by described optical fiber interface;
Step 2, described CCTV camera receives video monitoring order, the parameter of the transmission of described monitor terminal, gather video data according to described video monitoring order, and according to described parameter, image procossing is carried out to described video data, the video data after process is sent to described monitor terminal;
Step 3, described monitor terminal carries out Video compression to described video data, is transmitted by the compressed video data after process, and described video data is converted to discernible vision signal, to realize video monitoring.
Described video frequency monitoring method, wherein, in described step 2, comprises further:
Described video data is sent to described monitor terminal according to fiber optic protocols by described CCTV camera, and described monitor terminal receives the step of described video data according to fiber optic protocols.
Compared with prior art, Advantageous Effects of the present invention is:
CCTV camera of the present invention transmits uncompressed image to monitor terminal, and time delay is much smaller than existing network CCTV camera; The uncompressed image transmitted does not have image detail to lose, and is conducive to carrying out video analysis, provides good visual effect; CCTV camera principle is simple, and global reliability strengthens; CCTV camera optical fiber built-in communication module, can carry out long range propagation; Video compression is placed on monitor terminal, is conducive to centralized maintenance.
The video monitoring system adopting the present invention to construct, has following advantage:
(1) time delay is little: because CCTV camera transmits incompressible vision signal to monitor terminal, avoid the time required for video compression and decompression process, so can avoid latency issue;
(2) picture quality free of losses: because CCTV camera transmits incompressible vision signal to monitor terminal, the detailed information avoiding image in video compression is lost, adopt this non-compression video signal to be conducive to carrying out video analysis, good vision viewing effect is provided simultaneously;
(3) reliability is high, easy care: compared with existing web camera, because this CCTV camera principle is simple, so reliability is strong, the video compression easily broken down and transfer function are concentrated simultaneously and be placed on monitor terminal, be conducive to the maintenance of video monitoring system;
(4) integrated level is high, easy for installation: this CCTV camera optical fiber built-in communication module, can realize long range propagation without the need to equipment such as external optical transmitter and receivers, and integrated level improves, and facilitates Practical Project to install.
Accompanying drawing explanation
Fig. 1 is the video monitoring system structure chart based on optical fiber interface of the present invention;
Fig. 2 is the structure chart of the CCTV camera in Fig. 1 of the present invention;
Fig. 3 is the structure chart of the monitor terminal in Fig. 1 of the present invention;
Fig. 4 is the video frequency monitoring method flow chart based on optical fiber interface of the present invention.
Embodiment
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
As shown in Figure 1, for of the present invention based on the video monitoring system structure chart of optical fiber interface.This video monitoring system 100 comprises CCTV camera 10, monitor terminal 20.
Further, CCTV camera 10 and monitor terminal 20 connect and compose video monitoring system 100 by optical fiber (optical fiber interface) 40.
Further, CCTV camera 10 comprises image capture module 11, image processing module 12 and fiber optic telecommunications module 13.Image capture module 11 is connected with image processing module 12; Image processing module 12 is connected with fiber optic telecommunications module 13.
Above-mentioned CCTV camera 10, wherein, image capture module 11, image processing module 12 and fiber optic telecommunications module 13 are installed in a housing, can be positioned on one or more circuit board.
Above-mentioned CCTV camera 10, wherein, image capture module 11 is an imageing sensor, for accepting the instruction of image processing module 12 and gathering image.
Above-mentioned CCTV camera 10, wherein, image processing module 12 is a programmable logic device, for receiving the video data that image capture module 11 collects, and passes over parameter according to fiber optic telecommunications module 13 and carries out image procossing.
Above-mentioned CCTV camera 10, wherein, fiber optic telecommunications module 13 is an optical fiber communication process chip, for receiving the video data after image processing module 12 process, and transmits according to fiber optic communication protocol; It also receives the parameter that monitor terminal 20 transmission is come simultaneously, and sends to image processing module 12.
Further, monitor terminal 20 comprises fiber optic telecommunications module 21, video compressing module 22, ethernet communication module 23, vision signal modular converter 24.Fiber optic telecommunications module 21 is connected with video compressing module 22, ethernet communication module 23, vision signal modular converter 24; Video compressing module 22 is connected with ethernet communication module 23.
Above-mentioned monitor terminal 20, wherein, fiber optic telecommunications module 21, video compressing module 22, ethernet communication module 23, vision signal modular converter 24 are installed in a housing, can be positioned on one or more circuit board.
Above-mentioned monitor terminal 20, wherein, fiber optic telecommunications module 21 is an optical fiber communication process chip, for receiving the video data that CCTV camera 10 transmission is come according to fiber optic communication protocol; It also receives the parameter that ethernet communication module 23 transmission is come simultaneously, and sends to CCTV camera 10.
Above-mentioned monitor terminal 20, wherein, video compressing module 22 is a digital signal processor, carries out Video compression for fiber optic telecommunications module 21 being transmitted the video data come.
Above-mentioned monitor terminal 20, wherein, ethernet communication module 23 is a processor with ethernet communication function, compressed video data for being exported by video compressing module 22 transmits according to Ethernet protocol, it also receives the parameter that miscellaneous equipment is sent by Ethernet simultaneously, and sends to fiber optic telecommunications module 21.
Above-mentioned monitor terminal 20, wherein, vision signal modular converter 24 is a video signal format conversion chip, and the video data for being transmitted by fiber optic telecommunications module 21 is converted to the vision signal that display device can identify.
As shown in Figure 2, be the structure chart of the CCTV camera in Fig. 1 of the present invention.
Image capture module 11 comprises optical lens 111 and optical sensor module 112.
Image processing module 12 comprises image format conversion module 121, colour space transformation module 122, timing adjustment module 123 and parameter setting module 124.
Fiber optic telecommunications module 13 comprises data parallel serial conversion module 131 and photoelectric conversion module 132.
Image capture module 11 is connected with image format conversion module 121 by optical sensor module 112, image format conversion module 121 is connected with colour space transformation module 122, colour space transformation module 122 is connected with timing adjustment module 123, and parameter setting module 124 is connected with optical sensor module 112;
Data parallel serial conversion module 131 is connected with timing adjustment module 123 and parameter setting module 124, and photoelectric conversion module 132 is connected with data parallel serial conversion module 131.
In one embodiment, optical sensor module 112 is for accepting the instruction of image processing module 12 and gathering image.Adopt cmos image sensor.The cmos image sensor adopted in this example is AltasensA3372, light signal is sent on the photosurface of cmos image sensor 112 by optical lens 111, the light signal received is converted to electric charge by cmos image sensor 112, and converts digital signal to by the inner analog to digital converter carried.The image that the exportable resolution 1920 × 1080 of cmos image sensor 112 is lined by line scan, frame per second can be 25 frames/second, 30 frames/second, 50 frames/second, 60 frames/second, and data format is 12 RGB digital signals of Bayer form.This digital signal sends image processing module 12 to.Meanwhile, cmos image sensor 112 also accepts the control command that image processing module 12 sends.Preferably, SPI interface can be adopted to carry out transfer control order.Control command comprises frame per second setting, digital signal output timing is arranged, exposure is arranged.
In one embodiment, image processing module 12 can be special ISP (ImageSensorPipeline) chip or general FPGA (FieldProgrammableGateArray).Preferably, the image processing module 12 in this example adopts AlteraCycloneIVEP4CE115 chip.The vision signal of 16 YCbCr4:2:2 forms that image processing module 12 exports is to fiber optic telecommunications module 13.Preferably, image processing module 12 receives fiber optic telecommunications module 13 by UART interface and transmits next instruction.
In image processing module 12, image format conversion module 121 receives the raw image data that optical sensor module 112 transmission is come, carry out image interpolation process, recover RGB tri-kinds of colors of each pixel, afterwards RGB color data is passed to colour space transformation module 122, the data of RGB color space are converted to the data of YUV color space by colour space transformation module 122, and pass to timing adjustment module 123, the video format sequential (as HDMI or HD-SDI etc.) of the data of YUV color space according to standard carries out exporting to data parallel serial conversion module 131 by timing adjustment module 123.
Further, the instruction that data parallel serial conversion module 131 transmission that parameter setting module 124 receives fiber optic telecommunications module 13 is come, after carrying out packet encapsulation, converts the data packet format that image capture module 11 can receive to, and passes to image capture module 11.
In one embodiment, data parallel serial conversion module 131 can be FPGA or CPLD of special parallel-serial conversion chip or band high-speed transceiver.Preferably, data parallel serial conversion module 131 adopts special parallel-serial conversion chip.The special parallel-serial conversion chip that this example adopts is VB2000, by configuring its function, the vision signal of 16 YCbCr4:2:2 forms that image processing module 12 can export by it, UART signal are converted to a pair transmission differential signal and receive differential signal a pair.Photoelectric conversion module 132 can be general light module or dedicated optical module.Preferably, this example adopts general SFP optical module.This SFP optical module 132 can convert the transmission differential signal of parallel-serial conversion chip to light signal and be sent to optical fiber interface 40, the light signal received is converted to reception differential signal simultaneously and is sent to serioparallel exchange chip from optical fiber interface 40.
As shown in Figure 3, be the structure chart of the monitor terminal in Fig. 1 of the present invention.Composition graphs 1,2 further describes the structure of monitor terminal 20.
Fiber optic telecommunications module 21 comprises photoelectric conversion module 211 and serial data and modular converter 212.
The serial data of video compressing module 22, ethernet communication module 23, vision signal modular converter 24 and fiber optic telecommunications module 21 modular converter 212 are connected.
In one embodiment, photoelectric conversion module 211 can be general light module or dedicated optical module.Preferably, this example adopts general SFP optical module.The light signal received from optical fiber interface 40 can convert to and receive differential signal and be sent to serial data and modular converter 212 by this SFP optical module 211, simultaneously by from serial data and the transmission differential signal that modular converter 212 sends converts light signal to is sent to optical fiber interface 40.Serial data modular converter 212 can be FPGA or CPLD of special serioparallel exchange chip or band high-speed transceiver.Preferably, serial data modular converter 212 adopts special parallel-serial conversion chip.The special serioparallel exchange chip that this example adopts is VB2000, and by configuring its function, it can send differential signal and receive vision signal and the UART signal that differential signal is converted to 16 YCbCr4:2:2 forms for a pair by a pair.Wherein the vision signal of 16 YCbCr4:2:2 forms is connected to video compressing module 22 and vision signal modular converter 24, UART signal is connected to ethernet communication module 23.
Video compressing module 22 is connected with fiber optic telecommunications module 21 and ethernet communication module 23.Video compressing module 22 can adopt digital signal processor or dedicated video compression SOC.16 YCbCr4:2:2 that fiber optic telecommunications module 21 exports by video compressing module 22 carry out image compression.H.264 its compression algorithm comprises, MPEG-4, Motion-JPEG, JPEG etc.Video data after compression can be sent to ethernet communication module 23 by the mode of parallel bus, universal serial bus or shared memory.
Ethernet communication module 23 is connected with video compressing module 22 and fiber optic telecommunications module 21.Ethernet communication module 23 can adopt the processor with ethernet communication function.The compressed video data that video compressing module 22 sends by it carries out packing and transmitting according to Ethernet protocol.Meanwhile, it also from the order that Ethernet reception user or miscellaneous equipment send, and is forwarded to fiber optic telecommunications module 21 by after these command analysis.Preferably, this example adopts UART interface by these transferring order to fiber optic telecommunications module 21.
In actual use, video compressing module 22 and ethernet communication module 23 can realize in the processor chips that a piece has video compression and ethernet communication function simultaneously.
Vision signal modular converter 24 is connected with fiber optic telecommunications module 21.Vision signal modular converter 24 can adopt special video signal format conversion chip, and 16 the YCbCr4:2:2 raw video signals sent by fiber optic telecommunications module 21 are converted to the signal of the form such as DVI or HDMI or HD-SDI or VGA.In one example, vision signal modular converter 24 selects SiI9034 to realize 16 YCbCr4:2:2 raw video signals to be converted to the vision signal of HDMI form.
As shown in Figure 4, for of the present invention based on the video frequency monitoring method flow chart of optical fiber interface.In conjunction with system configuration Fig. 1 corresponding with the method and Fig. 2,3, the concrete steps of the method flow process comprise:
Step 401, in CCTV camera 10, image processing module 12 receives the video monitoring order of monitor terminal 20 transmission by fiber optic telecommunications module 13, and sending image capture module 11 to, image capture module 11 gathers video data according to video monitoring order, and is back to image processing module 12;
Step 402, the parameter that image processing module 12 transmits according to fiber optic telecommunications module 13 carries out image procossing to video data, and the video data after process is sent to fiber optic telecommunications module 13, fiber optic telecommunications module 13 is passed to the fiber optic telecommunications module 21 in monitor terminal 20 according to fiber optic protocols;
Step 403, the video data that fiber optic telecommunications module 21 comes according to fiber optic telecommunications module 13 transmission that fiber optic protocols receives in CCTV camera 10, and be sent to video compressing module 22, vision signal modular converter 24;
Step 404, video compressing module 22 pairs of video datas carry out Video compression, and the compressed video data after process is sent to ethernet communication module 23, by ethernet communication module 23, compressed video data is transmitted according to Ethernet protocol, video data is converted to the vision signal that display device can identify by vision signal modular converter 24 simultaneously, to realize video monitoring.
The present invention is directed to the deficiency that existing high-definition network camera exists, propose a kind of CCTV camera with optical fiber interface, and the monitoring terminal equipment matched with it, a supervisory control system can be formed with this CCTV camera and monitor terminal.
The supervisory control system that the present invention is formed has that time delay is little, picture quality free of losses, reliability is high, easy care, integrated level are high, easy for installation advantage.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (10)
1. based on a video monitoring system for optical fiber interface, it is characterized in that, comprising: CCTV camera and monitor terminal, described CCTV camera is connected by described optical fiber interface with described monitor terminal;
Wherein, described CCTV camera comprises:
Image capture module, for according to instruction acquisition video data;
Image processing module, connects described image capture module, carries out image procossing, and send described instruction to described image capture module for the parameter transmitted according to described monitor terminal to described video data;
First fiber optic telecommunications module, connects described image processing module, for being realized the data communication between described CCTV camera and described monitor terminal by described optical fiber interface;
Wherein, described monitor terminal comprises:
Second fiber optic telecommunications module, connects described for being realized the data communication between described monitor terminal and described CCTV camera by described optical fiber interface;
Video compressing module, connects described second fiber optic telecommunications module, and the video data for transmitting described second fiber optic telecommunications module carries out compression process;
Ethernet communication module, connects described second fiber optic telecommunications module, described video compressing module, for being transmitted by the video data after compression process, and described parameter is sent to described second fiber optic telecommunications module;
Vision signal modular converter, connects described second fiber optic telecommunications module, is converted to discernible vision signal, to realize video monitoring for the video data transmitted by described second fiber optic telecommunications module.
2. video monitoring system according to claim 1, is characterized in that, described image capture module comprises further: optical lens, optical sensor module;
Optical sensor module, for accepting described instruction, obtaining light signal by described optical lens, described light signal being converted to digital signal, obtaining described video data, and be sent to described image processing module.
3. video monitoring system according to claim 2, is characterized in that, described image processing module comprises further: image format conversion module, colour space transformation module, timing adjustment module and parameter setting module;
Described image format conversion module receives described video data from described optical sensor module, carry out image interpolation process, recover RGB tri-kinds of colors of each pixel, afterwards RGB color data is passed to described colour space transformation module, the data of RGB color space are converted to the data of YUV color space by described colour space transformation module, and passing to described timing adjustment module, the data of YUV color space carry out exporting to described first fiber optic telecommunications module according to video format sequential by described timing adjustment module;
Described parameter setting module receives the instruction that described first fiber optic telecommunications module transmits, and after carrying out packet encapsulation, converts the data packet format that described image capture module receives to, passes to described image capture module.
4. video monitoring system according to claim 1 and 2, is characterized in that, described first fiber optic telecommunications module comprises further:
Data parallel serial conversion module, carries out parallel-serial conversion for the video data exported by described image processing module;
First photoelectric conversion module, connect described data parallel serial conversion module, be sent to described optical fiber interface for the video data after parallel-serial conversion is converted to light signal, and the light signal received from described optical fiber interface be converted to the signal of telecommunication and be sent to described data parallel serial conversion module.
5. video monitoring system according to claim 4, is characterized in that, described data parallel serial conversion module is FPGA or CPLD of special parallel-serial conversion chip or band high-speed transceiver, and described first photoelectric conversion module is general light module or dedicated optical module.
6. video monitoring system according to claim 4, is characterized in that, described second fiber optic telecommunications module comprises further:
Second photoelectric conversion module, for being converted to the signal of telecommunication by the light signal received from described optical fiber interface;
Serial data modular converter, connect described second photoelectric conversion module, for receiving the described signal of telecommunication, and after the described signal of telecommunication is carried out serioparallel exchange, be sent to described video compressing module, described vision signal modular converter, described ethernet communication module, and the signal of telecommunication received from described ethernet communication module is sent to described second photoelectric conversion module.
7. video monitoring system according to claim 6, is characterized in that, described second photoelectric conversion module is general light module or dedicated optical module, and described serial data modular converter are FPGA or CPLD of special serioparallel exchange chip or band high-speed transceiver.
8. the video monitoring system according to claim 1,2,5,6 or 7, it is characterized in that, described image processing module is special ISP chip or general FPGA, described video compressing module is digital signal processor or dedicated video compression SOC, described ethernet communication module is the processor with ethernet communication function, and described vision signal modular converter is special video signal format conversion chip.
9. based on a video frequency monitoring method for optical fiber interface, it is characterized in that, comprising:
Step one, is communicated to connect CCTV camera and monitor terminal by described optical fiber interface;
Step 2, described CCTV camera receives video monitoring order, the parameter of the transmission of described monitor terminal, gather video data according to described video monitoring order, and according to described parameter, image procossing is carried out to described video data, the video data after process is sent to described monitor terminal;
Step 3, described monitor terminal carries out Video compression to described video data, is transmitted by the compressed video data after process, and described video data is converted to discernible vision signal, to realize video monitoring.
10. video frequency monitoring method according to claim 9, is characterized in that, in described step 2, comprises further:
Described video data is sent to described monitor terminal according to fiber optic protocols by described CCTV camera, and described monitor terminal receives the step of described video data according to fiber optic protocols.
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| CN103491344B (en) * | 2013-08-29 | 2016-11-23 | 中国科学院长春光学精密机械与物理研究所 | The system that remote image controls is realized based on serial communication |
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| CN103188479A (en) | 2013-07-03 |
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