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基于可信度评估的背景建模方法

Background modeling based on credibility evaluation
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摘要 传统算法在背景建模过程中孤立地对像素进行分析,在处理缓慢移动物体和往复运动物体时常常发生误判。针对这一情况,提出一种新的背景建模方法。该方法通过对像素值稳定性、像素值出现频率以及像素间的空间联系统计分析,评估出每一像素值作为背景的可信程度,进而得出背景。对比已有的背景建模算法,该方法在分析过程中考虑了物体的整体属性,在适应环境的变化与背景扰动的同时,能明显减少现有算法对缓慢移动物体和往复运动物体的误判。 Most existing algorithms analyze pixels separately,which leads to misjudegment in processing slow-moving objects and reciprocating-moving objects.Concerning this problem,one new method was presented.This method evaluated the credibility of every pixel value as background by analyzing the stability,showing frequency and spatial relations of one pixel value.Compared to the existing algorithms,this algorithm not only adapts to environmental changes and background disruption but also adapts to slow-moving object and reciprocating-moving objects.
作者 屈志毅 田楠 温莉娟
机构地区 兰州大学信息科学与工程学院
出处 《计算机应用》 CSCD 北大核心 2012年第6期1532-1535,1556,共5页 journal of Computer Applications
关键词 背景建模 视频监控 可信度评估 空间联系 图像分割 background modeling video monitoring credibility evaluation spatial relation image segmentation
分类号 TP391.41 [自动化与计算机技术—计算机应用技术]
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参考文献13

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计算机应用
2012年 第6期

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