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·386· 北京科技大学学报 2003年第4期 system for detection and tracking people and their parts 4 Grimson W EL,Stauffer C.Adaptive background mixture [A].Proc Third Face and Gesture Recognition Conference models for real-time tracking [A].Proc IEEE Conference [C].Japan,1998.222 Computer Vision and Pattern Recognition,Vol 1 [C]. 3 Toyama K,Krumm J,Brumitt B,et al.Wallflower:Prin- USA,1999.22 ciples and practice of background maintenance [A].Proc 5 Sonka Milan,Hlavac Vaclav,Boyle Roger.Image Process- IEEE Int Conf Computer Vision,Vol 1 [C].Greece,1999. ing,Analysis and Machine Vision [M].PWS,1999 255 Real-Time Human Detection Based on the Adaptive Background Model HAN Hongzhe,WANG Zhiliang,LIU Jiwei,LI Bin,HAN Zhongtao Information Engineering School,University of Science and Technology Beijing,Beijing 100083,China ABSTRACT An adaptive background model based on Dynamic Information Window(DIW)was proposed.Using the adaptive background model,an effective human detection approach was presented.Experimental results demon- strated that the method can give a robust estimation of changing background models in real-time. KEY WORDS adaptive background model;human detection;background subtraction;computer vision一 北 京 科 技 大 学 学 报 年 第 期 队 助 【 , , , 们。 , 认厄 , , , 一 加 【 , · , , 、 乞 , , , 一 月叼万 刀 岁 , 环只 , , , 月只 的口 , , , 入 一 , 切 而 一
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