CN102982639A - Video monitoring optical fiber fence system and using method thereof - Google Patents
Video monitoring optical fiber fence system and using method thereof Download PDFInfo
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- CN102982639A CN102982639A CN2012104277457A CN201210427745A CN102982639A CN 102982639 A CN102982639 A CN 102982639A CN 2012104277457 A CN2012104277457 A CN 2012104277457A CN 201210427745 A CN201210427745 A CN 201210427745A CN 102982639 A CN102982639 A CN 102982639A
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Abstract
The invention discloses a video monitoring optical fiber fence system and a using method of the video monitoring optical fiber fence system. Sensing optical fibers of an optical fiber fence unit of the system is laid on the circumference of a monitoring area and is connected with a data processing unit through a photoelectric demodulation module. A video data transmission control device of a video monitoring unit is also connected with the data processing unit and is connected with a plurality of video probes through video data transmission cables, and the video probes are distributed on the circumference of the monitoring area. The using method of the video monitoring optical fiber fence system comprises the following steps: initializing, building and then storing a background data base of each position optical fiber and a background image base of each video probe; positioning an abnormal disturbance position, taking a video image of the position compared with a normal image data of the background image base when abnormal disturbance information of optical fiber fence is found by the data processing unit and judging whether an invasion occurs and then alarming when the invasion is confirmed. The video monitoring optical fiber fence system and the using method of the video monitoring fiber fence system are capable of operating automatically, and are high in sensitivity, almost be free of false alarms and with no need to be guarded.
Description
Technical field
The invention belongs to the monitoring technique field, be specifically related to a kind of video monitoring fiber fence system and using method thereof.
Background technology
One of task that the security protection supervisory system is main is exactly Real time identification circumference intrusion event, and fiber fence and video monitoring play an important role in safety defense monitoring system respectively.
Fiber fence represents present state-of-the-art security and guard technology, by sensor fibre pattern-recognition is carried out in the perception of the unusual perturbation of fence circumference, thereby can judge whether that intrusion behavior occurs and accurately locate the invasion position.Fiber fence has long monitoring range, and the monitoring distance can reach tens kilometers, and has highly sensitive, the advantages such as reliability is high, antijamming capability is strong, the strong adaptability that uses, anti-electromagnetic interference (EMI), can monitor frontier defense line, important large building etc.But because fiber fence relies on Fibre Optical Sensor that the detection senses of perturbation signal is judged intrusion behavior, so when wind and rain weather, and some animal also may be judged as intrusion behavior when passing by, and causes false alarms, makes troubles to use.
Video monitoring system is the monitored picture of catching guarded region by the video frequency pick-up head of distribution many places, monitors manually whether each monitored picture identification has abnormal behaviour to occur, and its monitoring effect is directly perceived, is difficult for producing false alarms.Video monitoring system extensively is used in residential quarter, market and other important areas.Yet video monitoring system relies on a plurality of video pictures of artificial Real Time Monitoring, needs fixing monitoring operator on duty to monitor continuously, and long-time supervision causes watch's eye fatigue easily, unavoidably can leak the picture of abnormal behaviour, causes and fails to report the police.
Summary of the invention
The present invention is the shortcoming of using separately at present fiber fence or video monitoring in order to overcome, a kind of video monitoring fiber fence system and using method thereof are provided, the advantage of fiber fence and video monitoring are organically combined, obtains the highly sensitive circumference monitoring instruction system of few false-alarm.
The video monitoring fiber fence system of the present invention's design comprises the fiber fence unit, and fiber fence unit chief component is light source, photoelectricity demodulation module and perception optical fiber; The light of light source output is sent into perception optical fiber, perception optical fiber return terminal access photoelectricity demodulation module.Perception optical fiber is layed on the circumference of guarded region, and the photoelectricity demodulation module comprises demodulation optical texture and photoelectric switching circuit, signal amplification and filtering circuit and the analog to digital conversion circuit corresponding to perception optical fiber that connects successively.Native system also includes data processing unit and video monitoring unit.Data processing unit is the data processing server main frame that contains video and perturbation combined signal analysis software, and is connected to man-machine interface.Video monitoring unit chief component is video probe, video data transmitting opertaing device and video data transmitting cable.The video data transmitting opertaing device connects a plurality of video probes through the video data transmitting cable.The guarded region circumference equal intervals that a plurality of video probes are laid at perception optical fiber distributes.The equal connection data processing unit of the output signal of the photoelectricity demodulation module of fiber fence unit and the video data transmitting opertaing device of video monitoring unit.
Described perception optical fiber is the optical fiber cable of the vibration sensing of special armouring.
The light source of described fiber fence unit is the narrow linewidth pulsed laser source, and the demodulation optical texture of photoelectricity demodulation module is phase sensitive optical time domain reflectometer (φ-OTDR);
Perhaps the light source of described fiber fence unit is the narrow linewidth continuous laser source, and the demodulation optical texture of photoelectricity demodulation module is Mach Zehnder interference instrument (MZI) or Sagnac interferometer (Sagnac).
The video data transmitting cable of described video monitoring unit is cable or optical fiber.
The physical address of each video probe of described video monitoring unit is furnished with unique coding, is stored in the video data transmitting opertaing device.
Described data processing unit connects warning device.
The using method of video monitoring fiber fence of the present invention system comprises the steps:
I, system initialization
Light source will be surveyed light signal and be injected into perception optical fiber, the perceived light signal that returns from perception optical fiber enters the photoelectricity demodulation module, convert perception optical fiber return signal to treated digital signal by the photoelectricity demodulation module, be transferred to data processing unit, the perception optical fiber return signal under the data processing unit storage normal condition is at the background database of circumference each point; The video data transmitting opertaing device is set up the background image storehouse by the video data transmitting cable by the video that the physical address coding receives under each video probe normal condition, by each video probe background image of code storage;
The monitoring of II, normal condition
Fiber fence unit operation, light source will be surveyed light signal and be injected into perception optical fiber, and the digital data transmission that the photoelectricity demodulation module is changed the perceived light optical fiber signaling is to data processing unit;
The operation of video monitoring unit, each video probe is monitored, and each real time video image is sent to the video data transmitting opertaing device, and the video data transmitting opertaing device is sent each real time video image into the data processing unit storage;
The background database that data processing unit will be accepted data and the foundation of step I compares, and without unusual disturbance, situation is normal result be presented on the man-machine interface; Continue to carry out this step;
There is disturbing signal III, fiber fence unit
Data processing unit receives perceived light optical fiber signaling data, and with background database that the step I the is set up disturbing signal that relatively notes abnormalities, data processing unit reads abnormal disturbances signal framing information, and search is in the coding of the video probe that produces the disturbing signal position, transfer the current video image of this encoded video probe, and access the background image of this address from the background image storehouse with the foundation of step I, pattern-recognition is carried out in both contrasts, determine whether intrusion behavior
If non-intrusion behavior, situation is normal result be presented on the man-machine interface, proceeds simultaneously the step II;
If intrusion behavior, the video image output that this encoded video probe is current gives the alarm to the intrusion behavior of confirming on man-machine interface; Proceed simultaneously the step II.
Compared with prior art, the beneficial effect of the using method of video monitoring fiber fence of the present invention system is: 1, integrated fiber fence and video monitoring, obtained on the one hand high monitoring sensitivity, video monitoring and computing machine automated image analysis are in conjunction with judging accurately whether the abnormal disturbances signal that fiber fence is found is invasion, avoids false-alarm on the other hand; 2, the system monitoring process need not human intervention, need not constantly Attended mode, ignores the situation of break alarm owing to fatigue without the operator on duty.
Description of drawings
Fig. 1 is this video monitoring fiber fence system embodiment structure principle chart;
Fig. 2 is the using method embodiment process flow diagram of this video monitoring fiber fence system.
Embodiment
This video monitoring fiber fence system embodiment comprises data processing unit, video monitoring unit and fiber fence unit as shown in Figure 1.
Data processing unit is the data processing server main frame that contains video and perturbation combined signal analysis software, and is connected to man-machine interface and warning device.The equal connection data processing unit of the output signal of the photoelectricity demodulation module of fiber fence unit and the video data transmitting opertaing device of video monitoring unit.
Fiber fence unit chief component is light source, photoelectricity demodulation module and perception optical fiber; The light of light source output is sent into perception optical fiber, perception optical fiber return terminal access photoelectricity demodulation module.Perception optical fiber is layed on the circumference of guarded region, and the photoelectricity demodulation module comprises demodulation optical texture and photoelectric switching circuit, signal amplification and filtering circuit and the analog to digital conversion circuit corresponding to perception optical fiber that connects successively.Described perception optical fiber is the optical fiber cable of the vibration sensing of special armouring.The light source of this routine fiber fence unit is the narrow linewidth pulsed laser source, and the demodulation optical texture of photoelectricity demodulation module is the phase sensitive optical time domain reflectometer.The light source of described fiber fence unit also can adopt the narrow linewidth continuous laser source, and the demodulation optical texture of photoelectricity demodulation module is adapted Mach Zehnder interference instrument (MZI) or Sagnac interferometer (Sagnac) then.
Video monitoring unit chief component is video probe, video data transmitting opertaing device and video data transmitting cable.The video data transmitting opertaing device connects a plurality of video probes through the video data transmitting cable.The guarded region circumference equal intervals that a plurality of video probes are laid at perception optical fiber distributes.The video data transmitting cable of this routine video monitoring unit is optical fiber.The physical address of each video probe of described video monitoring unit is furnished with unique coding, is stored in the video data transmitting opertaing device.
The flow process of the using method embodiment of this video monitoring fiber fence system comprises the steps: as shown in Figure 2
I, system initialization
Light source will be surveyed light signal and be injected into perception optical fiber, the perceived light signal that returns from perception optical fiber enters the photoelectricity demodulation module, convert perception optical fiber return signal to treated digital signal by the photoelectricity demodulation module, be transferred to data processing unit, the perception optical fiber return signal under the data processing unit storage normal condition is at the background database of circumference each point; The video data transmitting opertaing device is set up the background image storehouse by the video data transmitting cable by the video that the physical address coding receives under each video probe normal condition, by each video probe background image of code storage;
The monitoring of II, normal condition
Fiber fence unit operation, light source will be surveyed light signal and be injected into perception optical fiber, and the digital data transmission that the photoelectricity demodulation module is changed the perceived light optical fiber signaling is to data processing unit;
The operation of video monitoring unit, each video probe is monitored, and each real time video image is sent to the video data transmitting opertaing device, and the video data transmitting opertaing device is sent each real time video image into the data processing unit storage;
The background database that data processing unit will be accepted data and the foundation of step I compares, and without unusual disturbance, situation is normal result be presented on the man-machine interface; Continue to carry out this step;
There is disturbing signal III, fiber fence unit
Data processing unit receives perceived light optical fiber signaling data, and with background database that the step I the is set up disturbing signal that relatively notes abnormalities, data processing unit reads abnormal disturbances signal framing information, and search is in the coding of the video probe that produces the disturbing signal position, transfer the current video image of this encoded video probe, and access the background image of this address from the background image storehouse with the foundation of step I, pattern-recognition is carried out in both contrasts, determine whether intrusion behavior
If non-intrusion behavior, situation is normal result be presented on the man-machine interface, proceeds simultaneously the step II;
If intrusion behavior, the video image output that this encoded video probe is current is connected warning device on the display of man-machine interface, the intrusion behavior of confirming is given the alarm; Proceed simultaneously the step II.
Above-described embodiment only is the specific case that purpose of the present invention, technical scheme and beneficial effect are further described, and the present invention is defined in this.All any modifications of within scope of disclosure of the present invention, making, be equal to replacement, improvement etc., all be included within protection scope of the present invention.
Claims (7)
1. video monitoring fiber fence system comprises the fiber fence unit, and fiber fence unit chief component is light source, photoelectricity demodulation module and perception optical fiber; The light of light source output is sent into perception optical fiber, perception optical fiber return terminal access photoelectricity demodulation module, perception optical fiber is layed on the circumference of guarded region, and the photoelectricity demodulation module comprises demodulation optical texture and photoelectric switching circuit, signal amplification and filtering circuit and the analog to digital conversion circuit corresponding to perception optical fiber that connects successively; It is characterized in that:
Described video monitoring fiber fence system also includes data processing unit and video monitoring unit; Data processing unit is the data processing server main frame that contains video and perturbation combined signal analysis software, and is connected to man-machine interface; Video monitoring unit chief component is video probe, video data transmitting opertaing device and video data transmitting cable, the video data transmitting opertaing device connects a plurality of video probes through the video data transmitting cable, and the guarded region circumference equal intervals that a plurality of video probes are laid at perception optical fiber distributes; The equal connection data processing unit of the output signal of the photoelectricity demodulation module of fiber fence unit and the video data transmitting opertaing device of video monitoring unit.
2. video monitoring fiber fence according to claim 1 system is characterized in that:
Described perception optical fiber is the optical fiber cable of the vibration sensing of special armouring.
3. video monitoring fiber fence according to claim 1 system is characterized in that:
The light source of described fiber fence unit is the narrow linewidth pulsed laser source, and the demodulation optical texture of photoelectricity demodulation module is the phase sensitive optical time domain reflectometer;
Perhaps the light source of described fiber fence unit is the narrow linewidth continuous laser source, and the demodulation optical texture of photoelectricity demodulation module is Mach Zehnder interference instrument or Sagnac interferometer.
4. video monitoring fiber fence according to claim 1 system is characterized in that:
The video data transmitting cable of described video monitoring unit is cable or optical fiber.
5. video monitoring fiber fence according to claim 1 system is characterized in that:
The physical address of each video probe of described video monitoring unit is furnished with unique coding, is stored in the video data transmitting opertaing device.
6. video monitoring fiber fence according to claim 1 system is characterized in that:
Described data processing unit connects warning device.
7. the using method of each described video monitoring fiber fence system in the claim 1 to 6 is characterized in that comprising the steps:
I, system initialization
Light source will be surveyed light signal and be injected into perception optical fiber, the perceived light signal that returns from perception optical fiber enters the photoelectricity demodulation module, convert perception optical fiber return signal to treated digital signal by the photoelectricity demodulation module, be transferred to data processing unit, the perception optical fiber return signal under the data processing unit storage normal condition is at the background database of circumference each point; The video data transmitting opertaing device is set up the background image storehouse by the video data transmitting cable by the video that the physical address coding receives under each video probe normal condition, by each video probe background image of code storage;
The monitoring of II, normal condition
Fiber fence unit operation, light source will be surveyed light signal and be injected into perception optical fiber, and the digital data transmission that the photoelectricity demodulation module is changed the perceived light optical fiber signaling is to data processing unit;
The operation of video monitoring unit, each video probe is monitored, and each real time video image is sent to the video data transmitting opertaing device, and the video data transmitting opertaing device is sent each real time video image into the data processing unit storage;
The background database that data processing unit will be accepted data and the foundation of step I compares, and without unusual disturbance, situation is normal result be presented on the man-machine interface; Continue to carry out this step;
There is disturbing signal III, fiber fence unit
Data processing unit receives perceived light optical fiber signaling data, and with background database that the step I the is set up disturbing signal that relatively notes abnormalities, data processing unit reads abnormal disturbances signal framing information, and search is in the coding of the video probe that produces the disturbing signal position, transfer the current video image of this encoded video probe, and access the background image of this address from the background image storehouse with the foundation of step I, pattern-recognition is carried out in both contrasts, determine whether intrusion behavior
If non-intrusion behavior, situation is normal result be presented on the man-machine interface, proceeds simultaneously the step II;
If intrusion behavior, the video image output that this encoded video probe is current gives the alarm to the intrusion behavior of confirming on man-machine interface; Proceed simultaneously the step II.
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| CN103606236A (en) * | 2013-12-02 | 2014-02-26 | 上海波汇通信科技有限公司 | Real time safety monitoring system based on distribution type optical fiber invasion alarm unit |
| CN104504830A (en) * | 2014-12-25 | 2015-04-08 | 桂林聚联科技有限公司 | Intelligent optical fiber sensing system for perimeter security guard of island |
| CN104599415A (en) * | 2013-11-01 | 2015-05-06 | 无锡慧思顿科技有限公司 | Security and protection device integrated with optical fiber sensor, sound sensor and image monitor |
| CN105389917A (en) * | 2015-09-18 | 2016-03-09 | 南京派光信息技术有限公司 | Rapid early-warning method based on phase-sensitive optical time-domain reflectometer |
| CN106448009A (en) * | 2016-11-07 | 2017-02-22 | 上海锂居信息科技有限公司 | Perimeter intrusion detection system and method |
| CN106530551A (en) * | 2016-12-30 | 2017-03-22 | 杭州后博科技有限公司 | Non-maintenance personnel tower climbing detection method and system based on optical fiber fence |
| CN107093343A (en) * | 2017-05-23 | 2017-08-25 | 中铁第四勘察设计院集团有限公司 | A kind of adjustable gauge Work condition analogue detecting system |
| CN107945445A (en) * | 2017-12-28 | 2018-04-20 | 克拉玛依市格恩赛电子科技有限公司 | A kind of thunder ball linkage warning monitoring system and its monitoring method with preprocessing function |
| CN108629955A (en) * | 2018-06-26 | 2018-10-09 | 河南海象信息技术有限公司 | A kind of circumference stereoscopic protective system |
| CN108986364A (en) * | 2018-08-28 | 2018-12-11 | 苏州三股道信息科技有限公司 | Perimeter security crime prevention system and method |
| CN111311859A (en) * | 2020-02-24 | 2020-06-19 | 内蒙古电力（集团）有限责任公司乌兰察布电业局 | Special optical fiber fence system based on sound, light and video linkage and alarm method |
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| CN104599415B (en) * | 2013-11-01 | 2017-09-12 | 武汉飞恩微电子有限公司 | It is integrated with the safety device of fibre optical sensor, sound transducer and video monitor |
| CN104599415A (en) * | 2013-11-01 | 2015-05-06 | 无锡慧思顿科技有限公司 | Security and protection device integrated with optical fiber sensor, sound sensor and image monitor |
| CN103606236A (en) * | 2013-12-02 | 2014-02-26 | 上海波汇通信科技有限公司 | Real time safety monitoring system based on distribution type optical fiber invasion alarm unit |
| CN103606236B (en) * | 2013-12-02 | 2016-08-24 | 上海波汇科技股份有限公司 | A kind of Real-time security monitoring system based on distributed fiber optic intrusion alarm unit |
| CN104504830A (en) * | 2014-12-25 | 2015-04-08 | 桂林聚联科技有限公司 | Intelligent optical fiber sensing system for perimeter security guard of island |
| CN105389917B (en) * | 2015-09-18 | 2018-01-19 | 南京派光信息技术有限公司 | A kind of quick method for early warning based on phase sensitive optical time domain reflectometer |
| CN105389917A (en) * | 2015-09-18 | 2016-03-09 | 南京派光信息技术有限公司 | Rapid early-warning method based on phase-sensitive optical time-domain reflectometer |
| CN106448009A (en) * | 2016-11-07 | 2017-02-22 | 上海锂居信息科技有限公司 | Perimeter intrusion detection system and method |
| CN106530551A (en) * | 2016-12-30 | 2017-03-22 | 杭州后博科技有限公司 | Non-maintenance personnel tower climbing detection method and system based on optical fiber fence |
| CN107093343A (en) * | 2017-05-23 | 2017-08-25 | 中铁第四勘察设计院集团有限公司 | A kind of adjustable gauge Work condition analogue detecting system |
| CN107945445A (en) * | 2017-12-28 | 2018-04-20 | 克拉玛依市格恩赛电子科技有限公司 | A kind of thunder ball linkage warning monitoring system and its monitoring method with preprocessing function |
| CN108629955A (en) * | 2018-06-26 | 2018-10-09 | 河南海象信息技术有限公司 | A kind of circumference stereoscopic protective system |
| CN108986364A (en) * | 2018-08-28 | 2018-12-11 | 苏州三股道信息科技有限公司 | Perimeter security crime prevention system and method |
| CN111311859A (en) * | 2020-02-24 | 2020-06-19 | 内蒙古电力（集团）有限责任公司乌兰察布电业局 | Special optical fiber fence system based on sound, light and video linkage and alarm method |
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Application publication date: 20130320 |