Multi-resolution illumination compensation for foreground extraction

  • Authors:
  • Xavier Suau;Josep R. Casas;Javier Ruiz-Hidalgo

  • Affiliations:
  • Signal Theory and Communications Department, Technical University of Catalonia, Barcelona;Signal Theory and Communications Department, Technical University of Catalonia, Barcelona;Signal Theory and Communications Department, Technical University of Catalonia, Barcelona

  • Venue:
  • ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
  • Year:
  • 2009

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Abstract

Illumination changes may lead to false foreground (FG) segmentation and tracking results. Most of the existing FG extraction algorithms obtain a background (BG) estimation from temporal statistical parameters. Such algorithms consider a quasi-static BG which does not change but slowly. Therefore, fast illumination changes are not taken into account by the BG estimator and they are considered as FG. The aim of the proposed algorithm is to reduce illumination effects in video sequences in order to improve foreground segmentation performances.