Background modeling using phase space for day and night video surveillance systems

  • Authors:
  • Yu-Ming Liang;Arthur Chun-Chieh Shih;Hsiao-Rong Tyan;Hong-Yuan Mark Liao

  • Affiliations:
  • Department of Computer Sciene and Information Engineering, National Chiao-Tung University, Taiwan;Institute of Information Science, Academia Sinica, Nankang, Taipei, Taiwan;Department of Computer Engineering, Chung-Yuan Christian University, Taiwan;Institute of Information Science, Academia Sinica, Nankang, Taipei, Taiwan

  • Venue:
  • PCM'04 Proceedings of the 5th Pacific Rim conference on Advances in Multimedia Information Processing - Volume Part I
  • Year:
  • 2004

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Abstract

This paper presents a novel background modeling approach for day and night video surveillance. A great number of background models have been proposed to represent the background scene for video surveillance. In this paper, we propose a novel background modeling approach by using the phase space trajectory to represent the change of intensity over time for each pixel. If the intensity of a pixel which originally belongs to the background deviates from the original trajectory in phase space, then it is considered a foreground object pixel. In this manner, we are able to separate the foreground object from the background scene easily. The experimental results show the feasibility of the proposed background model.