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  • 标题:Cutting Polygons into Small Pieces with Chords: Laser-Based Localization
  • 本地全文:下载
  • 作者:Esther M. Arkin ; Rathish Das ; Jie Gao
  • 期刊名称:LIPIcs : Leibniz International Proceedings in Informatics
  • 电子版ISSN:1868-8969
  • 出版年度:2020
  • 卷号:173
  • 页码:7:1-7:23
  • DOI:10.4230/LIPIcs.ESA.2020.7
  • 出版社:Schloss Dagstuhl -- Leibniz-Zentrum fuer Informatik
  • 摘要:Motivated by indoor localization by tripwire lasers, we study the problem of cutting a polygon into small-size pieces, using the chords of the polygon. Several versions are considered, depending on the definition of the "size" of a piece. In particular, we consider the area, the diameter, and the radius of the largest inscribed circle as a measure of the size of a piece. We also consider different objectives, either minimizing the maximum size of a piece for a given number of chords, or minimizing the number of chords that achieve a given size threshold for the pieces. We give hardness results for polygons with holes and approximation algorithms for multiple variants of the problem.
  • 关键词:Polygon partition; Arrangements; Visibility; Localization
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