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Video monitoring method and system and video monitoring alarm system

A technology in video monitoring and video, applied in alarms, instruments, computing, etc., can solve problems such as automatic video security monitoring, and achieve the effect of promoting development

Active Publication Date: 2011-02-09
行为科技(北京)有限公司
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AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is: to provide a video monitoring method, system and video alarm system, to overcome the technical problem that video security monitoring cannot be automatically performed in the prior art

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  • Video monitoring method and system and video monitoring alarm system
  • Video monitoring method and system and video monitoring alarm system
  • Video monitoring method and system and video monitoring alarm system

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Embodiment Construction

[0021] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.

[0022] like figure 1 As shown, the specific embodiment of the present invention is: provide a kind of video monitoring method, comprise the training set that gathers motion region motion characteristic sample, described video monitoring method comprises the following steps:

[0023] Step 100: Obtain a video area, that is, acquire a motion area to be monitored from a video. For the acquisition of the video area, it is usually acquired by taking pictures with a camera probe. In public places or indoors, the camera probe is usually installed at a higher position, and most of the camera is tilted downward, that is, at an angle of 45-60 degrees from the vertical direction, to shoot video in real time in the monitoring area. When an area where people are moving is captured in real time, the area where people are moving is captured by the video as a mo...

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Abstract

The invention relates to a video monitoring method, a video monitoring system and a video monitoring alarm system. The video monitoring method comprises a training set gathering motion characteristic samples in a motion area; and the video monitoring method comprises the following steps of: acquiring a video area: acquiring a motion area to be monitored from the video; extracting motion characteristics in the motion area, wherein the motion characteristics include a range of the motion area, acquired energy of the motion area and acquired variance value of the motion direction in the motion area; and acquiring a video monitoring result: comparing the motion characteristics extracted from the motion area with positive samples and negative samples in a training set, and judging whether the motion area is an area where robbery or fight happens according to the number of the similar positive and negative samples in the training set. The video monitoring method, the video monitoring systemand the video monitoring alarm system realize automatic video monitoring of violent behaviors in real time and promote the development of security equipment.

Description

technical field [0001] The invention relates to a video monitoring method, system and video alarm system, in particular to a video monitoring method, system and video monitoring alarm system for violent behavior. Background technique [0002] With the development of society, video monitoring is more and more widely used, especially in public places. Violent acts such as fighting and snatching are acts that seriously affect public safety. These incidents will endanger people's lives and property, and cause property loss and bodily injury. For example, in recent years, there have been a large number of fighting, robbery and homicide cases in bank self-service halls, among which the more typical cases are robbing cash drawers and fighting in bank self-service halls or two types of behaviors occurring at the same time. In the prior art, video monitoring is mainly carried out by real-time monitoring by humans, and real-time monitoring cannot be automatically performed by machine...

Claims

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Application Information

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IPC IPC(8): G06K9/00G08B21/02G06K9/62
Inventor 徐勇
Owner 行为科技(北京)有限公司
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