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Contour Matching Using Local Affine Transformations

Author(s)
Bachelder, Ivan A.
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Abstract
Partial constraints are often available in visual processing tasks requiring the matching of contours in two images. We propose a non- iterative scheme to determine contour matches using locally affine transformations. The method assumes that contours are approximated by the orthographic projection of planar patches within oriented neighborhoods of varying size. For degenerate cases, a minimal matching solution is chosen closest to the minimal pure translation. Performance on noisy synthetic and natural contour imagery is reported.
Date issued
1992-04-01
URI
http://hdl.handle.net/1721.1/5979
Other identifiers
AIM-1326
Series/Report no.
AIM-1326
Keywords
matching, affine transformation, optical flow, aperturesproblem, correspondence

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