An objective comparison between gray weighted distance transforms and weighted distance transforms on curved spaces

Authors:
Céline Fouard;Magnus Gedda
Affiliations:
Centre for Image Analysis, Uppsala University, Uppsala, Sweden;Centre for Image Analysis, Uppsala University, Uppsala, Sweden
Venue:
DGCI'06 Proceedings of the 13th international conference on Discrete Geometry for Computer Imagery
Year:
2006

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Abstract

In this paper, we compare two different definitions of distance transform for gray level images: the Gray Weighted Distance Transform (GWDT), and the Weighted Distance Transform On Curved Space (WDTOCS) We show through theoretical and experimental comparisons the differences, the strengths and the weaknesses of these two distances.