Adaptive parametric statistical background subtraction for video segmentation

Authors:
P. Amnuaykanchanasin;T. Thongkamwitoon;N. Srisawaiwilai;S. Aramvith;T. H. Chalidabhongse
Affiliations:
Chulalongkorn University, Bangkok, Thailand;Chulalongkorn University, Bangkok, Thailand;Chulalongkorn University, Bangkok, Thailand;Chulalongkorn University, Bangkok, Thailand;King Mongkut's Institute of Technology Lardkrabang, Bangkok, Thailand
Venue:
Proceedings of the third ACM international workshop on Video surveillance & sensor networks
Year:
2005

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Abstract

The Background Subtraction Algorithm has been proven to be a very effective technique for automated video surveillance applications. In statistical approach, background model is usually estimated using Gaussian model and is adaptively updated to deal with changes in dynamic scene environment. However, most algorithms update background parameters linearly. As a result, the classification results are erroneous when performing background convergence process. In this paper, we present a novel learning factor control for adaptive background subtraction algorithm. The method adaptively adjusts the rate of adaptation in background model corresponding to events in video sequence. Experimental results show the algorithm improves classification accuracy compared to other known methods.