Robust Boundary Delineation Using Random-Phase-Shift Active Contours

  • Astrit Rexhepi
  • Farzin Mokhtarian
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4522)

Abstract

When an active contour is applied to a noisy image, the contour is sometimes attracted to a local energy minimum, since the noise gives rise to high rates of change of the image gray levels. In this paper we will describe a novel method of overcoming this problem by using a sparse set of points to represent the active contour C and randomly varying the positions of these points.

Keywords

Active Contour Object Boundary External Energy Active Contour Model Image Gray Level 
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 Berlin Heidelberg 2007

Authors and Affiliations

  • Astrit Rexhepi
    • 1
  • Farzin Mokhtarian
    • 1
  1. 1.Centre for Vision, Speech, and Signal Processing, School of Electronics and Physical Sciences, University of Surrey, Guildford GU2 7XHUnited Kingdom

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