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Method for controlling video turning based on image comparison calculation

A technology of image ratio and video, applied in the field of automatic control of the system, can solve the problems of difficult to accurately grasp the key points, important situations cannot be found in time, and omissions, etc.

Active Publication Date: 2019-01-04
张建
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] On the monitoring platform that integrates a large number of video collection terminals, the on-duty personnel often lose sight of one another when viewing video images, and it is difficult to accurately grasp the key points, resulting in important situations not being discovered in time, or even being missed; on the other hand, a large number of video The video image collected by the acquisition terminal is in a long-term "dynamic static" state, but once it changes, it needs to be further screened manually; and for the identification of whether the video image has changed, computer software is more accurate, efficient, and more efficient than manual work. Economical; at present, there is no similar product on the market based on the combination of human and machine, which improves the efficiency of manual video patrolling and screening

Method used

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Examples

Experimental program
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Embodiment 1

[0006] Example 1: A monitoring system consists of 2000 cameras with image comparison function and a centralized monitoring control platform; the images collected by each camera are stored on the hard disk; every 3 seconds, a frame of image is intercepted and compared with the previous Intercept a frame of image for comparison, and calculate the difference value c; calculate the moving average p with the latest 100 consecutive c values; calculate the moving standard deviation f with the latest 100 consecutive c values; add the c value to the c value and subtract p value, plus the c value minus the f value (c+c-p+c-f) as the weight value q; then upload the q value to the monitoring centralized control platform in real time; the system platform dynamically uses the q value uploaded by each camera within 10 minutes The maximum value is used as the weight q' of each camera. Based on the value of q', the system platform screens the first 60 videos captured by the camera with the larg...

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PUM

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Abstract

In a monitoring platform in which a large number of video capture terminals are integrated, it is difficult to accurately grasp the key points because the duty personnel often pay attention to one thing and lose the other when they monitor the video images, which results in a fact that the important situation can not be found in time and even be omitted; on the other hand, a large number of videoimages collected by video capturing terminals are in a long-term ''dynamic still'' state, but once the video image change, the video image need to be further discriminated artificially. Computer software is more accurate, more efficient and more economical than artificial work in identifying whether the video image has changed or not. The invention comprises the steps of firstly calculating the weight value of each video collection terminal based on the difference between the videos collected by a single video collection terminal successively, and then screening according to the weight value of each video collection terminal to determine the mode and method in sequentially playing the video streams collected by a plurality of video collection terminals on a user screen. The method improvesthe efficiency of artificial video rotation screening by man-machine combination.

Description

technical field [0001] The invention relates to the technical field of video monitoring, in particular to a system automatic control patrol method for monitoring video. Background technique [0002] On the monitoring platform that integrates a large number of video collection terminals, the on-duty personnel often lose sight of one another when viewing video images, and it is difficult to accurately grasp the key points, resulting in important situations not being discovered in time, or even being missed; on the other hand, a large number of video The video image collected by the acquisition terminal is in a long-term "dynamic static" state, but once it changes, it needs to be further screened manually; and for the identification of whether the video image has changed, computer software is more accurate, efficient, and more efficient than manual work. Economical; At present, there is no product on the market that is based on the combination of man and machine and improves th...

Claims

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Application Information

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IPC IPC(8): H04N7/18
CPCH04N7/181
Inventor 张建
Owner 张建
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