Journal
JOURNAL OF MATHEMATICAL IMAGING AND VISION
Volume 12, Issue 1, Pages 65-79Publisher
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1008304909717
Keywords
scale-space; catastrophe theory; critical points; deep structure; image topology
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We investigate the deep structure of a scale-space image. The emphasis is on topology, i.e. we concentrate on critical points-points with vanishing gradient-and top-points-critical points with degenerate Hessian-and monitor their displacements, respectively generic morsifications in scale-space. Relevant parts of catastrophe theory in the context of the scale-space paradigm are briefly reviewed, and subsequently rewritten into coordinate independent form. This enables one to implement topological descriptors using a conveniently defined coordinate system.
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