Method and system for processing background image collected in moving target detection

A background image and processing method technology, applied to the background image processing method and system field collected in moving object detection, can solve the problems of large amount of calculation, etc., to improve effectiveness, prevent the occurrence rate and flexibility of vehicle motion trace residue strong effect

Inactive Publication Date: 2009-10-14
SHANGHAI BAOKANG ELECTRONICS CONTROL ENG
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  • Method and system for processing background image collected in moving target detection
  • Method and system for processing background image collected in moving target detection
  • Method and system for processing background image collected in moving target detection

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[0029] In order to better understand the technical content of the present invention, preferred specific embodiments are described below in conjunction with the accompanying drawings.

[0030] Please refer to figure 1 , figure 1 Shown is a flowchart of the initialization background of a preferred embodiment of the present invention. The background image processing method collected in the moving target detection proposed by the present invention includes: Step 110: Obtain a video image of continuous frames; Step 120: Extract continuous frame data of multiple points in a fixed area in the video image of the continuous frame; Step 130: Sort the continuous frame data of each of the above-mentioned points; Step 140: Extract the median value of the sorted sequence of each of the above-mentioned points to obtain the background image of the current frame.

[0031] According to a preferred embodiment of the present invention, wherein the number of consecutive frames is the maximum number ...

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Abstract

The invention provides a method and a system for processing a background image collected in a moving target detection, comprising the following steps: obtaining video images of successive frames, extracting successive frame data of multiple points in a fixed region in the video images of the successive frames, sorting the successive frame data of each point, extracting a median of the sorted sequence of each point, and obtaining the background image of a current frame. The technology further comprises the steps of obtaining a video image of a new frame, extracting data of the new frame of a plurality of points in the fixed region in the video image of the new frame, deleting the data of an oldest frame in the successive frames, carrying out insertion sorting for the data of the new frame, extracting a new median of the sorted sequence, and obtaining the background image of a current frame. The technology can be adapted to different background conditions, can also simply and fast calculate and efficiently prevent the incidence of vehicle motion trace residue in the background image, thereby enhancing the efficiency of the detection.

Description

Technical field [0001] The present invention relates to a moving target detection method and system, and in particular to a background image processing method and system collected in moving target detection. Background technique [0002] In today’s society, urban development is very rapid. Urban population and vehicles are growing rapidly, traffic flow is increasing day by day, traffic congestion is becoming more and more serious, and the transportation system is facing tremendous pressure. Traffic problems have become a major problem in urban management. Hindering the development of the city, especially the occurrence of various vehicle violations anytime and anywhere, making the monitoring of urban traffic very difficult, and moving target video detection technology has emerged to monitor the traffic conditions of vehicles. [0003] Facing the rapid development of highway traffic and the increase of vehicle speed, it is inevitable to study advanced vehicle detection algorithms....

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Application Information

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IPC IPC(8): G06T7/20G06K9/46G06T7/35
Inventor 张慧
Owner SHANGHAI BAOKANG ELECTRONICS CONTROL ENG
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