Technical Report CS0622

TR#:CS0622
Class:CS
Title: STAR SHAPEDNE OF DIGITIZED PLANAR SHAPES
Authors: D. Shaked, J. Koplowitz and A.M. Bruckst~~n
PDFCS0622.pdf
Abstract: We provide a definition of star-shapedness for digitized planar shapes, and an efficient tool for detennining whether a given digitized planar shape is star-shaped or not. An equivalence is established, between the digital star-shapedness and the star-shapedness Qf the minimal perimeter polygon that separates object pixels from background pixels. The definition of digital star-shapedness presented here, is related to a class of definitions of digital shape features, such as the definitions of the digital straight line and the digital convexity.
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