Shadow Removal Method for Real-Time Extraction of Moving Objects

Authors:
Shinji Fukui;Nozomi Yamamoto;Yuji Iwahori;Robert J. Woodham
Affiliations:
Faculty of Education, Aichi University of Education, Hirosawa 1, Igaya-cho, Kariya 448-8542, Japan;Faculty of Engineering, Chubu University, Matsumoto-cho 1200, Kasugai 487-8501, Japan;Faculty of Engineering, Chubu University, Matsumoto-cho 1200, Kasugai 487-8501, Japan;Department of Conputer Science, University of British Columbia, Vancouver, B.C., Canada V6T 1Z4
Venue:
KES '07 Knowledge-Based Intelligent Information and Engineering Systems and the XVII Italian Workshop on Neural Networks on Proceedings of the 11th International Conference
Year:
2007

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Abstract

This paper proposes a new method for extracting moving objects in high definition video sequence. The proposed method can regard shadows as background and gives the robust result to noise and intensity changes because the method uses a* and b* components of CIELab color space and extracts moving objects by background subtraction of the estimated background image and the observed image. The computational cost is hugely increased by converting RGB color space to CIELab color space and using high definition video. The method addresses this problem by using GPU and decreasing the transfer data from GPU to CPU. Results are demonstrated with experiments on real data.