DECOMPOSING A SIMPLE POLYGON WITH THE RELATIVE NEIGHBORHOOD GRAPH.

Godfried T. Toussaint

Research output: Contribution to conferencePaperpeer-review

Abstract

The decomposition of a polygon into simpler components plays an important role in syntactic pattern recognition and image processing. A new decompostion is proposed and termed the relative neighbor decomposition (RND). The lune of two vertices p//i, p//j of a polygon P, denoted by LUNE (p//i, p//j) is defined as the intersection of two circles with radius equal to d(p//i, p//j) centered at p//i and p//j, where d denotes Euclidean distance. The RND consists of the polygon P together with a subset of its diagonals. Two vertices p//i,p//j are joined by a diagonal if (a) p//i and p//j are visible to each other and (b) no other visible vertex of p//i or p//j lies inside LUNE (p//i,p//j). It is shown that the RND is planar, i. e. , no two diagonals intersect.

Original languageEnglish (US)
Pages20-28
Number of pages9
StatePublished - 1981
EventProc Annu Allerton Conf Commun Control Comput 18th - Monticello, IL, USA
Duration: Oct 8 1980Oct 11 1980

Other

OtherProc Annu Allerton Conf Commun Control Comput 18th
CityMonticello, IL, USA
Period10/8/8010/11/80

ASJC Scopus subject areas

  • General Engineering

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