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Substation video monitoring automatic alarm system

A video surveillance and automatic alarm technology, applied in CCTV systems, televisions, transmission systems, etc., to solve the problem of untimely response and improve the quality and efficiency of video transmission

Inactive Publication Date: 2016-08-31
SHANGHAI PROINVENT INFORMATION TECH
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AI Technical Summary

Problems solved by technology

[0004] The invention aims to solve the problem of realizing unattended substation, monitoring the image of the switch cabinet of the substation and automatically alarming the abnormal situation

Method used

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  • Substation video monitoring automatic alarm system

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Embodiment

[0016] Step 1, compressing and transmitting video images, performing video coding on the collected video data, reducing the correlation between video sequences, reducing the redundancy in video content, and using fewer bits to represent video content, so as to realize video encoding. compression.

[0017] Video compression not only removes video space and statistical redundancy, but more importantly, reduces temporal redundancy, that is, removes inferable and definite information. The present invention uses Huffman coding to compress the statistical redundancy; through the frequency domain transformation, the original image signal is represented by the coefficients of the DC component and a small number of low-frequency AC components, and the orthogonal cosine transform DCT method is used to reduce the spatial redundancy of the image. The redundancy is effectively compressed; the differential coding DPCM is used to effectively compress the time redundancy of the image; the low...

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Abstract

The invention discloses a system for carrying out video monitoring automatic alarm on switch cabinet single indicator lamps, switches and knob states of a substation. Through application of various image recognition algorithms of color, texture, shape and space relationship features, functions of carrying out automatic analysis and abnormal alarm on substation monitoring are realized. The system comprises video image recognition algorithms, video transmission and compression algorithms, and research of automatic analysis and abnormal alarm methods of the video monitoring. According to the system, the ultimate purpose is that the automatic analysis and abnormal alarm are carried out on the substation monitoring by the video image recognition algorithms and the video transmission and compression algorithms. The defect of delayed reaction resulting from manual slack is thoroughly solved. Online automatic recognition is carried out on the substation video monitoring contents, thus discovering various abnormal conditions timely, and the operation security level and automatic level are improved.

Description

technical field [0001] The system realizes the functions of automatic analysis and abnormal alarm for substation switchgear status monitoring through various image recognition algorithms such as color, texture, shape, and spatial relationship characteristics, and belongs to the field of safety monitoring technology in the electric power industry. Background technique [0002] The application of intelligent video surveillance technology in the field of public security has brought about a huge change in the surveillance system. Today, many researchers have successfully introduced the moving target detection and tracking technology, which was first widely used in military guidance, into the monitoring system to build a new generation of intelligent monitoring system. This type of system only provides "eyes" for the monitoring personnel, and still needs the monitoring personnel to control the pan / tilt to track the moving target according to the scene at all times. It only has a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04N7/18H04N19/103H04N19/159H04N19/51H04N19/70G06T7/40
CPCH04L67/025H04N7/181H04N19/103H04N19/159H04N19/51H04N19/70
Inventor 王承民马成红刘涌袁秋实
Owner SHANGHAI PROINVENT INFORMATION TECH
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