A hierarchical approach to high resolution edge contour reconstruction

Authors:
S. Casadei;S. K. Mitter
Affiliations:
-;-
Venue:
CVPR '96 Proceedings of the 1996 Conference on Computer Vision and Pattern Recognition (CVPR '96)
Year:
1996

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Abstract

Efficient edge detection algorithms such as Canny's (1986) fail near curve singularities. Moreover, the standard linking algorithms used on top of these detectors often fail because of instabilities in the tracking process (due to multiple responses to the same edge and interference of nearby edges). We propose a hierarchical approach to edge detection based on a graph stabilization method that allows bifurcation resolution in stages. Curve singularities are recovered at the last stage by using "top-down" feedback to select the best curve connections.