Polygonal path simplification with angle constraints

被引：7
|
作者：
Chen, DZ
Daescu, O [1 ]
Hershberger, J
Kogge, PM
Mi, NF
Snoeyink, J
机构：
[1] Univ Texas, Dept Comp Sci, Richardson, TX 75083 USA
[2] Univ Notre Dame, Dept Comp Sci & Eng, Notre Dame, IN USA
[3] Mentor Graph Corp, Wilsonville, OR 97070 USA
[4] Univ N Carolina, Dept Comp Sci, Chapel Hill, NC 27599 USA
来源：
COMPUTATIONAL GEOMETRY-THEORY AND APPLICATIONS | 2005年 / 32卷 / 03期
基金：
美国国家科学基金会;
关键词：
path simplification; angle constraint; computational geometry; off-line search;
D O I：
10.1016/j.comgeo.2004.09.003
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We present efficient geometric algorithms for simplifying polygonal paths in R 2 and R 3 that have angle constraints, improving by nearly a linear factor over the graph-theoretic solutions based on known techniques. The algorithms we present match the time bounds for their unconstrained counterparts. As a key step in our solutions, we formulate and solve an off-line ball exclusion search problem, which may be of interest in its own right. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：173 / 187
页数：15
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