Dual-Resolution active contours segmentation of vickers indentation images with shape prior initialization

  • Authors:
  • Michael Gadermayr;Andreas Uhl

  • Affiliations:
  • Department of Computer Sciences, Salzburg University, Austria;Department of Computer Sciences, Salzburg University, Austria

  • Venue:
  • ICISP'12 Proceedings of the 5th international conference on Image and Signal Processing
  • Year:
  • 2012

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Abstract

Vickers microindentation imagery is segmented using the Chan-Vese level-set approach. In order to find a suitable initialization, we propose to apply a Shape-Prior gradient descent approach to a significantly resolution-reduced image. Subsequent local Hough transform leads to a very high accuracy of the overall approach.