Region-growing detection of moving objects in video sequences based on optical flow

  • Authors:
  • A. I. Kravchonok

  • Affiliations:
  • United Institute of Informatics Problems, National Academy of Sciences, Minsk, Belarus

  • Venue:
  • Pattern Recognition and Image Analysis
  • Year:
  • 2012

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Abstract

A region-growing algorithm for detecting moving objects in video sequences based on optical flow is suggested; it calculates the optical flow only for moving objects and does not consider stationary image regions. The algorithm has linear complexity depending on the value of the optical flow window, uses SSE2/SSE3 instructions for significant acceleration of the calculations, and can be used in the real-time mode in problems of detection and tracking of moving objects in video sequences with fragmentary filling of frames with moving objects.