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Non-parametric Background and Shadow Modeling for Object Detection

  • Tatsuya Tanaka
  • Atsushi Shimada
  • Daisaku Arita
  • Rin-ichiro Taniguchi
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4843)

Abstract

We propose a fast algorithm to estimate background models using Parzen density estimation in non-stationary scenes. Each pixel has a probability density which approximates pixel values observed in a video sequence. It is important to estimate a probability density function fast and accurately. In our approach, the probability density function is partially updated within the range of the window function based on the observed pixel value. The model adapts quickly to changes in the scene and foreground objects can be robustly detected. In addition, applying our approach to cast-shadow modeling, we can detect moving cast shadows. Several experiments show the effectiveness of our approach.

Keywords

Gaussian Mixture Model Object Detection Background Model Foreground Object Foreground Pixel 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Tatsuya Tanaka
    • 1
  • Atsushi Shimada
    • 1
  • Daisaku Arita
    • 1
    • 2
  • Rin-ichiro Taniguchi
    • 1
  1. 1.Department of Intelligent Systems, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819–0395Japan
  2. 2.Institute of Systems & Information Technologies/KYUSHU, 2–1–22, Momochihama, Sawara-ku, Fukuoka 814–0001Japan

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