Shape matching using curvature processes

The problem of matching two smooth closed contours which are related by deformations that alter their curvature structure is discussed. Deformations typically include protrusions, a result of internal resistance, and indentations, a result of squashing. The author's algorithm establishes corres...

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Bibliographic Details
Main Author: Milios, E.E.
Format: Conference Proceeding
Language:English
Subjects:
Clouds
Computer graphics
Dynamic programming
Image analysis
Image segmentation
Piecewise linear approximation
Piecewise linear techniques
Satellites
Shape measurement
Spline
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Summary:The problem of matching two smooth closed contours which are related by deformations that alter their curvature structure is discussed. Deformations typically include protrusions, a result of internal resistance, and indentations, a result of squashing. The author's algorithm establishes correspondences between segments that have not drastically deformed (in the sense of introducing or eliminating protrusions and indentations), and recovers productions that explain how the remaining segments have deformed. Criteria involving metric information, such as the correlation between extended circular images of segments of constant curvature sign, are imposed to select the preferred interpretation.< >
ISSN:1520-6149
2379-190X
DOI:10.1109/ICASSP.1988.196750