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Optical intrusion detection method, system and distributed monitoring system

A detection system and detection method technology, applied in closed-circuit television systems, instruments, anti-theft alarms, etc., can solve the problems of high cost of hardware and software implementation, high false alarm rate, etc., and achieve low power consumption, accurate alarm, and strong versatility Effect

Inactive Publication Date: 2018-08-17
BEIJING CENTURY STAR APPL TECH RES CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide an optical intrusion detection method, aiming to solve the problems of high false alarm rate and high hardware and software implementation cost in existing alarm methods based on digital image analysis and judgment

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  • Optical intrusion detection method, system and distributed monitoring system
  • Optical intrusion detection method, system and distributed monitoring system
  • Optical intrusion detection method, system and distributed monitoring system

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Embodiment 1

[0026] Embodiment 1 of the present invention proposes an optical intrusion detection method, such as figure 1 shown, including the following steps:

[0027] S1: Real-time collection of composite video signals in the monitoring area.

[0028] S2: Carry out real-time waveform analysis, comparison and processing of the collected composite video signal, combined with threshold self-adaptive technology, dynamically judge the video image status of the monitoring area, to determine whether an alarm is required, and send an alarm message when it is determined that an alarm is required .

[0029] Further, as figure 2 As shown, step S2 may further include the following steps:

[0030] S21: Perform envelope detection processing on the composite video signal collected in real time to obtain an envelope signal, and extract analog signals of multiple state points on the envelope signal, and then convert the extracted analog signals into digital signals. The analog signal therein reflec...

Embodiment 2

[0034] Embodiment 2 of the present invention proposes an optical intrusion detection system, such as image 3 As shown, it includes: a video acquisition module 1, which is used to collect the composite video signal in the monitoring area in real time; an alarm analysis module 2, which is used to analyze, compare and process real-time waveforms of the composite video signal collected by the video acquisition module 1, and combine Threshold adaptive technology dynamically judges the video image status of the monitoring area to determine whether an alarm is required, and sends an alarm message when it is determined that an alarm is required. Wherein, the video acquisition module 1 is preferably a video camera with a composite video interface. Wherein, the alarm analysis module 2 can also be connected to the monitoring host at the back end through its video output terminal and the alarm output terminal, and the video image of the corresponding monitoring area is output by the moni...

Embodiment 3

[0048] Embodiment 3 of the present invention proposes a distributed monitoring system. The distributed monitoring system includes a plurality of optical intrusion detection systems and a monitoring host computer arranged at monitoring points. Each monitoring point may be provided with one or more optical intrusion detection systems, and the optical intrusion detection system is specifically the optical intrusion detection system as described in Embodiment 2, which will not be described in detail.

[0049] Wherein, the monitoring host computer is connected to the alarm output terminal and the video output terminal of the alarm analysis module in each optical intrusion detection system, and the monitoring host computer is used to output the video image of the corresponding monitoring area, and when the alarm analysis module sends alarm information through the alarm output terminal, Complete the response.

[0050] The optical intrusion detection method and system proposed by the...

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Abstract

The invention relates to the technical field of security and protection, and provides an optical invasion detection method and system and a distributed monitoring system. According to the optical invasion detection method and system and the distributed monitoring system, waveform analysis and comparison are conducted on collected composite video signals, and whether alarm is conducted or not is determined through a threshold adaptive technology. The optical invasion detection method and system and the distributed monitoring system are low in power consumption, easy and convenient to implement and precise in alarm and solves the problems that the dependence of digital video image process on hardware is large compared with an existing video monitoring technology, and the false alarm rate is high, the hardware and software are low in implementation cost, seamless connection with an existing monitoring system is achieved, and the optical invasion detection method and system and the distributed monitoring system are high in universality and wide in application range.

Description

technical field [0001] The invention belongs to the field of security protection, and in particular relates to an optical intrusion detection method, system and distributed monitoring system based on optical image acquisition and analysis. Background technique [0002] With the enhancement of people's awareness of security protection in today's society, security monitoring technology has developed rapidly. In order to realize the monitoring of specific areas, traditional technologies generally use infrared alarm devices, ultrasonic alarm devices, microwave alarm devices, vibration alarm devices, and human body induction alarm devices. Due to the limitations of inherent use conditions, the range of use of the above-mentioned devices is limited. For example, for an infrared alarm device, it is easily restricted by the external temperature and the installation environment; for a vibration alarm device, it can only monitor the occurrence of vibration but cannot judge the type o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/18G08B13/196
Inventor 马步远殷燕南李桂荣张磊张浩然
Owner BEIJING CENTURY STAR APPL TECH RES CENT