Polar-vector representations of edges in pictures

24 November 1977

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 13 (24) , 727-729
https://doi.org/10.1049/el:19770513

Abstract

By representing an edge in a picture by a sequence of polar vectors, we obtain a compact and versatile description that readily lends itself to a variety of picture processing operations, including edge smoothing, finding the convex hull, measuring area and perimeter and skeletonising/grassfire algorithms.

Keywords

AREA MEASUREMENT
EDGE SMOOTHING
PERIMETER MEASUREMENT
PICTURE PROCESSING OPERATIONS
SKELETONISING
CONVEX HULL FINDING
GRASSFIRE ALGORITHMS

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