Shape Representation via Harmonic Embedding

Authors:
Alessandro Duci;Anthony J. Yezzi;Sanjoy K. Mitter;Stefano Soatto
Affiliations:
-;-;-;-
Venue:
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Year:
2003

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Abstract

We present a novel representation of shape for closedplanar contours explicitly designed to possess a linearstructure. This greatly simplifies linear operations suchas averaging, principal component analysis or differentiation in the space of shapes. The representation reliesupon embedding the contour on a subset of the space ofharmonic functions of which the original contour is thezero level set.