›› 2012, Vol. 42 ›› Issue (04): 979-984.

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Pixel-filtrated based method for determining optical flow

MA Long, WANG Lu-ping, LI Biao, CHEN Xiao-tian   

  1. ATR Key Laboratory, National University of Defense Technology, Changsha 410073, China
  • Received:2011-05-12 Online:2012-07-01 Published:2012-07-01

Abstract: The traditional methods for determining optical flow are not robust under variable illumination, and do not work well at object edges. To overcome these shortcomings, a pixel-filtration based method is proposed. The method defines a new basic equation under variable illumination, and uses an improved local flow technique. First, this technique selects proper pixels twice from the local window; then, it determines the flow using the weighted-least-square method based on the selected pixels. Experiment results under variable illumination and noise demonstrate the validity and robust of the proposed method.

Key words: computer application, optical flow, object edge, variable illumination, noise

CLC Number: 

  • TP391.41
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