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Method and apparatus for detecting moving target

A technology for detecting motion and targets, applied in image data processing, instruments, character and pattern recognition, etc., can solve the problems of reducing the reliability and accuracy of moving target detection, achieve enhanced feature stability, reduce randomness, and weaken interference Effect

Active Publication Date: 2011-07-13
BEIJING VIMICRO ARTIFICIAL INTELLIGENCE CHIP TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the influence of noise and other factors, the point pixels are greatly disturbed by noise, that is, the point pixel noise dependence is relatively large, which reduces the reliability and accuracy of moving target detection.

Method used

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  • Method and apparatus for detecting moving target

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Embodiment Construction

[0024] The invention uses regionalized pixels as a unit to detect moving targets, reduces the randomness of point pixels, enhances feature stability, and weakens the interference of noise in the detection of moving targets, thus improving the reliability and accuracy of moving target detection.

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0026] figure 1 It is a flow chart of the method for detecting moving objects in the present invention, and the background model in the image is established in advance according to the regionalized pixels, such as figure 1 As shown, it mainly includes the following steps:

[0027] Step 100-Step 101: Detect the obtained image according to the regionalized pixels, judge whether the detected pixel is a foreground point, if so, go to step 102; otherwise, if the de...

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Abstract

The invention discloses a method and a device for detecting a moving target. The method overcomes the shortcomings of great dependence of the prior point pixel noise, reduces the randomness of the point pixel and strengthens the stability of features, so as to weaken the interference of noise in the detection of the moving target, thereby improving the reliability and the precision of the detection of the moving target. At the same time, compared with the prior method adopting the first-in first-out (FIFO) strategy, that is, using the latest pixel to update the oldest pixel, a background model updating method allows a pixel entering into the background model of target detection to be the most related pixel, thereby weakening the interference of abnormal things.

Description

technical field [0001] The invention relates to image detection technology, in particular to a method and device for detecting a moving target. Background technique [0002] In video surveillance, it is necessary to detect moving objects (such as moving people, moving objects, moving vehicles, etc.) that are called foreground relative to the static background. The effective and accurate monitoring and extraction of moving targets is very critical for post-processing such as target classification, tracking and behavior understanding, and is also one of the core technologies in scene monitoring. However, due to the influence of noise, multiple light sources, shadows, transparency and occlusion, effective and accurate detection of moving objects is a difficult problem. [0003] At present, the detection of moving objects is usually carried out in units of point pixels, such as image difference method and so on. Due to the influence of noise and other factors, the point pixels...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/20G06K9/62
Inventor 谌安军
Owner BEIJING VIMICRO ARTIFICIAL INTELLIGENCE CHIP TECH CO LTD