Ridge's corner detection and correspondence

  • Authors:
  • F. Shilat;M. Werman;Y. Gdalyahn

  • Affiliations:
  • -;-;-

  • Venue:
  • CVPR '97 Proceedings of the 1997 Conference on Computer Vision and Pattern Recognition (CVPR '97)
  • Year:
  • 1997

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Abstract

Traditionally, corners are found along step edges. In this paper we present an alternative approach-corners along ridges/troughs and local minima points. These features seem to be more reliable for tracking. A new approach for sub-pixel localization of these corners is suggested, using a local approximation of the image surface.