Intrusion detection method and system

Abstract

The invention discloses an intrusion detection method and system. The intrusion detection method comprises the following steps of: collecting earthquake signals of all detection nodes, performing digital processing, and calculating a kurtosis value and an energy value of the earthquake signal of each detection node; determining a detection node as a datum node and a protected region, selecting a detection node of the earthquake signal with the maximum energy value in each detection node surrounding the datum node as a first reference node; and determining a region between the first reference node and the datum node in the protected region to be an intrusion region when the energy value and the kurtosis value of the datum node are up to respective preset value. According to the intrusion detection method, the energy value and the kurtosis value, obtained by calculation, of the earthquake signal of each detection node are compared, thus the intrusion region can be determined, the detection on the intrusion action of the protected region is realized, and the specific position of the intrusion action can be exactly positioned.

Description

Technical field [0001] This application relates to the field of anti-intrusion detection technology, in particular to an intrusion detection method and system. Background technique [0002] With the development of society, the public’s demand for security has also become higher and higher. In ordinary residential areas, villa residential areas, enterprises and institutions, factories, warehouses, substations, water plants, power plants, schools, as well as judicial system detention centers, Prisons, airports, military bases, government agencies, terminal cultural relics protection stalls and other places require perimeter security and perimeter intrusion prevention alarm facilities to avoid losses due to illegal intrusion. [0003] At present, the security protection of key areas mainly focuses on the following aspects: underground invasion, ground invasion and aerial invasion, and ground invasion is the most common and prone to intrusion behavior. The monitoring methods for groun...

AI Technical Summary

Problems solved by technology

[0004] Image monitoring needs to be manned for a long time, and it is impossible to automatically alarm the intrusion;

[0005] Monitoring devices using infrared, electromagnetic, laser, etc. are generally deployed above the surface, and all require active equipment support, which is easy to be detected or destroyed, and is also susceptible to interference from external electromagnetic signals when monitoring using electromagnetic methods;

[0006] The monitoring device using the physical tension fence mainly detects the tension of the wire rope as a means of intrusion discrimination. The detection method is too simple, and it is difficult to distinguish the influence of small animals and rain and snow on the tension of the wire rope, which may increase false alarms, and the tension fence is in the physical Above the fence, the area of ​​action is obvious, and it is easy to bypass the alarm area artificially, reducing the alarm rate

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