Fast non-parametric background subtraction for infrared surveillance

Shu-le Ge; Ting-fa Xu; Guo-qiang Ni

doi:10.1117/12.836059

5 August 2009 Fast non-parametric background subtraction for infrared surveillance

Shu-le Ge, Ting-fa Xu, Guo-qiang Ni

Proceedings Volume 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications; 738348 (2009) https://doi.org/10.1117/12.836059
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

Background subtraction is a method typically used to extract foreground objects in image sequences taken from static cameras by comparing each new frame to a background model, and it plays an important role in many vision application systems. In this paper, we introduce a non-parametric background subtraction method. Standard kernel density estimation method is very time consumptive, so it is modified by substituting the Gaussian kernel function with Epanechnikov kernel function and some optimizing techniques are adopted to improve its performance. As fluctuation is the intrinsic character of infrared image, we develop a bi-threshold updating method and a gradient based post-process method to reduce false positive error. Experiments show our method can extract intruding objects effectively and it outperforms threshold based method, especially when the intruder is not salient.

Citation Download Citation

Shu-le Ge, Ting-fa Xu, and Guo-qiang Ni "Fast non-parametric background subtraction for infrared surveillance", Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 738348 (5 August 2009); https://doi.org/10.1117/12.836059

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KEYWORDS

Infrared radiation

Infrared imaging

Video

Statistical analysis

Statistical modeling

Data modeling

Surveillance

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