Technical Report CIS9325

TR#:CIS9325
Class:CIS
Title: ON SYMMETRY AXES AND BOUNDARY CURVES.
Authors: D. Shaked and A.M. Bruckstein
PDFCIS9325.pdf
Abstract:

This paper deals with a representation of shape boundary, based on the medial axis of the shape. This representation is shown to be efficient in calculating local boundary features. The problem of deciding whether an axis-like function is an axis of a shape is addressed. The proposed representation scheme provides a basis for two local restrictions on axis functions. A theorem is stated, asserting these restrictions are necessary and locally sufficient for an axis function. Finally, a new skeletonization approach is proposed, in which the medial axis is the solution of a first order ordinary differential equation system driven by the boundaries.

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