Method and system for detecting moving objects

A moving target and detection system technology, applied in image data processing, instruments, character and pattern recognition, etc., to achieve the effect of solving image shake

Active Publication Date: 2010-06-16
NETPOSA TECH
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Problems solved by technology

[0007] In view of this, the object of the present invention is to provide a moving object detection method and system, which solves the changes in illumination, the interference of background chaotic movement, the shadow of moving objects, the shaking of cameras, and the self-occlusion and mutual-occlusion phenomena of moving objects The problems brought about by the existence of the system, etc., realize the detection of moving objects in complex scenes

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  • Method and system for detecting moving objects

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Embodiment Construction

[0058] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

[0059] figure 1 It is a schematic diagram of the framework of the moving target detection method in the present invention, such as figure 1 shown. Moving object detection methods include:

[0060] Step 1: Get the video, get the video content to get the scene image, and build the background model;

[0061] Step 2: Preprocess the image to eliminate the influence of the scene image on the background model;

[0062] Step 3: mark the area, perform foreground segmentation on the scene image according to the background model, and mark the connected area;

[0063] Step 4: Maintain the state, determine the current state of the moving object detection system, make corresponding processing, and perform abnormal detection when necessary;

[0064] Step 5: Enhance the area, use shadow detection, highlight detection and tree filtering to remove false areas of shadows...

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Abstract

The invention provides a method and a system for detecting moving objects. The method for detecting the moving objects comprises the following steps: acquiring video, namely acquiring video contents to obtain a scene image, and establishing a background model; preprocessing the image to eliminate the influence of the background image on the background model; marking areas, namely partitioning a foreground from the scene image according to the background model, and marking communicated areas; maintaining a state, namely judging the current state of a moving object detection system, performing corresponding processing, and performing abnormal detection if necessary; enhancing the areas, namely removing the false areas of shadow, high brightness and leaf swing by using shadow detection, high brightness detection and tree filter; and splitting and merging the areas, namely splitting and merging the areas by using the restriction provided by the background model and the priori knowledge of human and vehicle models to solve the problem of over partition and mutual shading of the objects. The method and the system detect the moving objects, and solve the problems of image jitter, brightness change, shadow, leaf swing and the like.

Description

technical field [0001] The invention relates to video monitoring technology, in particular to a method and system for detecting moving objects in an intelligent video monitoring system. Background technique [0002] Conventional intelligent video surveillance technology includes a moving object detection technology. The purpose of moving object detection is to segment the moving object area in the video scene from the background. Due to the change of illumination, the interference of chaotic background movement, the shadow of moving objects, the shaking of cameras, and the existence of self-occlusion and mutual occlusion of moving objects, it brings great challenges to the correct detection of moving objects. The detection and segmentation of moving objects affect the later tracking and classification, so it becomes one of the keys in the research of intelligent video surveillance technology. [0003] In order to realize moving object detection, optical flow method can be ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/60G06T7/20
Inventor 曾建平王正
Owner NETPOSA TECH
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