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A method for real-time monitoring of cross-border behavior in a computer room

A real-time monitoring and heavy-duty technology, which is applied in image analysis, image enhancement, instruments, etc., can solve the problems of reduced monitoring accuracy and achieve the effects of avoiding monitoring interference, overcoming changes in light and the influence of the external environment

Active Publication Date: 2019-05-07
安徽工大信息技术有限公司
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  • Description
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Problems solved by technology

[0007] The purpose of the present invention is to overcome the disadvantage that the existing real-time monitoring method for heavy ground crossing of the machine room is easily affected by natural conditions such as light changes and other external environmental changes, which leads to a greatly reduced monitoring accuracy, and provides a real-time monitoring of the heavy ground crossing behavior of the machine room method

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  • A method for real-time monitoring of cross-border behavior in a computer room
  • A method for real-time monitoring of cross-border behavior in a computer room
  • A method for real-time monitoring of cross-border behavior in a computer room

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Embodiment 1

[0039] A method for real-time monitoring of the cross-border behavior of a computer room in this embodiment, the process of which is as follows figure 2 As shown, it specifically includes the following steps:

[0040] A. Create a display window;

[0041] B. Read in the video, and use pFrame to represent the frame in the video;

[0042] C, extract the foreground figure, be recorded as 1-pFrShade, this foreground figure comprises moving target and shadow; Use mixed Gaussian model (BackgroundSubtractorMOG2mog, such as figure 1 shown) to extract the foreground map, the specific steps are:

[0043] (1) Define the mixed Gaussian model parameters in the program initialization part (current frame pFrame, background image pBkImg, foreground figure 1 -pFrShade, learning rate 0.001);

[0044] (2) Read the first frame image of the video, apply for memory, and initialize it as the background image pBkImg, and perform Gaussian background modeling;

[0045] (3) In the mixed Gaussian ba...

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Abstract

The invention discloses a machine room important place border-crossing behavior real-time monitoring method, and belongs to the image processing and video monitoring technology field. Logic and calculation of an extracted foreground image and a shadow area is carried out to acquire an accurate moving target foreground image. Contours of all of moving targets are found in the moving target foreground image accurately, and the rectangles in the contours are used to draw the contours of the moving targets. The positions of the pins of the rectangle-shaped areas are determined, and the coordinates of the positions of the acquired pins are compared with coordinates of positions of to-be-measured regular rectangle-shaped areas to determine whether the moving targets cross a border. A state of passively providing video frames of a conventional monitoring system is changed, positioning, tracking, analyzing, and determining of people in a monitoring video are actively carried out, and influences of illumination changes and external environment are overcome, and interferences of changes of natural conditions on monitoring are prevented.

Description

technical field [0001] The invention belongs to the technical field of image processing and video monitoring, and more specifically relates to a method for real-time monitoring of boundary-crossing behavior in a computer room. Background technique [0002] As one of the main means of modern security, intelligent video surveillance technology has a very good development prospect. With the popularization and enlargement of monitoring systems, the limitations of traditional human monitoring are becoming more and more prominent. In addition, the monitoring system is getting bigger and bigger, if all the monitoring is done manually, the labor cost will be very expensive. [0003] Intelligent video surveillance technology (intelligent video surveillance) originated from computer vision technology (computer vision), which analyzes video, extracts information from video, and finds interesting events, so that it can replace or assist human monitoring in some occasions. The advantag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/246G06T7/12H04N7/18
CPCG06T7/20G06T2207/10016H04N7/18
Inventor 潘祥田海蓉陶陶边琼芳姜太平李伟邰伟鹏刘恒
Owner 安徽工大信息技术有限公司
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