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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 資訊工程學系 > 會議論文  >  Adaptive foreground object extraction for real-time video surveillance with lighting variations


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/42274


    Title: Adaptive foreground object extraction for real-time video surveillance with lighting variations
    Authors: Hui-Chi Zeng;Shang-Hong Lai
    教師: 賴尚宏
    Date: 2007
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: IEEE International Conference on Acoustics, Speech and Signal Processing, Honolulu, HI, USA, 15-20 April 2007, Volume 1, pages I-1201-I-1204
    Keywords: Real-time
    background subtraction
    foreground extraction
    lighting variation
    surveillance
    Abstract: ©2007 IEEE-In this paper we present an adaptive foreground object extraction algorithm for real-time video surveillance. The proposed algorithm improves the previous Gaussian mixture background models (GMMs) by applying a two-stage foreground/background classification procedure to remove the undesirable subtraction results due to shadow, automatic white balance, and sudden illumination change. The traditional background subtraction technique usually cannot work well for situations with lighting variations in the scene. In the proposed two-stage classification, an adaptive classifier is applied to the foreground pixels in a pixel-wise manner based on the normalized color and brightness gain information. Secondly, the remaining foreground candidate pixels are grouped into regions and the corresponding background regions are compared to check if they are foreground regions. Experimental results on some real surveillance video are shown to demonstrate the robustness of the proposed adaptive foreground extraction algorithm under a variety of different environments with lighting variations
    URI: http://www.ieee.org/
    http://nthur.lib.nthu.edu.tw/handle/987654321/42274
    Appears in Collections:[資訊工程學系] 會議論文

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