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Decomposing a polygon into its convex parts

Published: 30 April 1979 Publication History

Abstract

A common operation in geometric computing is the decomposition of complex structures into more basic structures. Since it is easier to apply most algorithms to triangles or arbitrary convex polygons, there is considerable interest in finding fast algorithms for such decompositions. We consider the problem of decomposing a simple (non-convex) polygon into the union of a minimal number of convex polygons. Although the structure of the problem led to the conjecture that it was NP-complete, we have been able to reach polynomial time bounded algorithms for exact solution as well as low degree polynomial time bounded algorithm/or approximation methods.

References

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Dobkin,D., Keyword structures in a language for computer geometry, Bell Laboratories Technical Memorandum, TM 78-1271-9, June 29,1978.
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Dobkin,D. and Lipton,R., Multidimensional searching problems, SIAM Journal on Computing, Vol. 5, No. 2, June 1976, pp. 181-186.
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Dobkin,D. and Snyder,L., On a general method of maximizing and minimizing among certain geometric problems, in preparation.
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Dobkin,D. and Tomlin,D., Cartographic modelling techniques in environmental planning: an efficient system design, submitted for publication.
[5]
Feng,H. and Pavlidis,T., Decomposition of polygons into simpler components: feature generation for syntactic pattern recognition, IEEE Transactions on Computers, Vo. C-24, No. 6, June 1975, pp. 636-650.
[6]
Garey,M., Johnson,D., Preparata,F., and Tarjan,R., Triangulating a simple polygon, Information Processing Letters, Vol. 7, No. 4, June 1978, pp. 175-180.
[7]
Lloyd,E., On triangulations of a set of points in the plane, 18th Annual IEEE FOCS Conference Proceedings, Providence, R.I., October 1977, pp. 228-240.
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Pavlidis,T., Analysis of set patterns, Pattern Recognition, Vol. 1, 1968, pp. 165-178.
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Shamos,M., Geometric Complexity, PhD Thesis, Yale University, May 1978.
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Volecker,H. private communication to D. Dobkin, November 14, 1977.

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cover image ACM Conferences
STOC '79: Proceedings of the eleventh annual ACM symposium on Theory of computing
April 1979
364 pages
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 30 April 1979

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STOC '79 Paper Acceptance Rate 37 of 111 submissions, 33%;
Overall Acceptance Rate 1,469 of 4,586 submissions, 32%

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  • (2022)A review of the literature on fuzzy-logic approaches for collision-free path planning of manipulator robotsArtificial Intelligence Review10.1007/s10462-022-10257-756:4(3369-3444)Online publication date: 4-Sep-2022
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