Surveillance video transmission method based on video content analysis

A technology of monitoring video and transmission method, which is applied in the field of monitoring video transmission, and can solve the problems of single video monitoring function and redundant storage information, etc.

Inactive Publication Date: 2016-07-20
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the shortcomings of traditional video su

Method used

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  • Surveillance video transmission method based on video content analysis
  • Surveillance video transmission method based on video content analysis
  • Surveillance video transmission method based on video content analysis

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Experimental program
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Embodiment Construction

[0043] Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings:

[0044] The overall composition diagram of the present invention is shown in figure 1. Video surveillance equipment will monitor the monitored scene, automatically identify abnormal situations, and make video transmission and early warning processing. The security of the monitored environment is guaranteed. Firstly, obtain the monitoring video image of the monitoring scene; preprocess the acquired image; conduct crowd detection and crowd density estimation on the image, and obtain the result; analyze the obtained result, adjust the camera parameters and decide whether to issue an early warning message; at the same time, analyze whether there is Necessary for video transmission.

[0045] Overall flow chart of the present invention sees figure 2 , mainly including the following steps:

[0046] exist figure 2 , the content of the command sent in step 1...

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Abstract

The invention discloses a surveillance video transmission method based on video content analysis, which is characterized by comprising an image acquisition module, an image preprocessing module, a pedestrian flow detection module, a crowd density estimation module, a camera parameter setting and warning module, and a video transmission module. The pedestrian flow detection module is used for detecting and counting pedestrians in a surveillance video image. The crowd density estimation module is used for estimating the density of pedestrian flow in the current video image by use of a crowd density estimation algorithm. The camera parameter setting and warning module is used for sending out a camera parameter modification command and crowd event warning information when pedestrian detection and crowd density detection reach a preset level. According to the invention, the crowd density in a video is estimated by use of a pedestrian detection algorithm and a crowd density estimation algorithm, and the configuration of the camera is modified and corresponding surveillance video transmission is carried out according to the result of estimation. Moreover, 'problematic' videos can be transmitted actively or passively, and warning information can be sent out.

Description

technical field [0001] The invention relates to a monitoring video transmission method, in particular to a monitoring video transmission method based on video content analysis. Background technique [0002] With the rapid development of science and technology and the continuous progress of society, video surveillance, as an efficient monitoring technology, has received more and more attention from all walks of life. Traditional video surveillance mostly only has storage function, and most of the stored information is useless redundant information. In contrast, the advantages of intelligent video surveillance are outstanding. It can monitor uninterruptedly for 24 hours without human intervention, and can automatically analyze and process the surveillance video, and identify, detect, track and analyze the moving targets in the video. Wait. [0003] The monitoring video transmission method based on video content analysis proposed by the present invention can dynamically adjus...

Claims

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Application Information

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IPC IPC(8): H04N7/18H04N5/232G06T7/20G06K9/46G06K9/00
CPCH04N7/183G06T2207/10016G06T2207/30232G06T2207/30196G06V40/10G06V20/40G06V10/50G06V2201/07H04N23/60
Inventor 王素玉白艳涛侯义斌
Owner BEIJING UNIV OF TECH
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