Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik GmbH Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik GmbH scholarly article en Agarwal, Pankaj K.; Kaplan, Haim; Kipper, Geva; Mulzer, Wolfgang; Rote, GŁnter; Sharir, Micha; Xiao, Allen http://www.dagstuhl.de/lipics License
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URN: urn:nbn:de:0030-drops-99747
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Approximate Minimum-Weight Matching with Outliers Under Translation

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Abstract

Our goal is to compare two planar point sets by finding subsets of a given size such that a minimum-weight matching between them has the smallest weight. This can be done by a translation of one set that minimizes the weight of the matching. We give efficient algorithms (a) for finding approximately optimal matchings, when the cost of a matching is the L_p-norm of the tuple of the Euclidean distances between the pairs of matched points, for any p in [1,infty], and (b) for constructing small-size approximate minimization (or matching) diagrams: partitions of the translation space into regions, together with an approximate optimal matching for each region.

BibTeX - Entry

@InProceedings{agarwal_et_al:LIPIcs:2018:9974,
  author =	{Pankaj K. Agarwal and Haim Kaplan and Geva Kipper and Wolfgang Mulzer and G{\"u}nter Rote and Micha Sharir and Allen Xiao},
  title =	{{Approximate Minimum-Weight Matching with Outliers Under Translation}},
  booktitle =	{29th International Symposium on Algorithms and Computation  (ISAAC 2018)},
  pages =	{26:1--26:13},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-094-1},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{123},
  editor =	{Wen-Lian Hsu and Der-Tsai Lee and Chung-Shou Liao},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2018/9974},
  URN =		{urn:nbn:de:0030-drops-99747},
  doi =		{10.4230/LIPIcs.ISAAC.2018.26},
  annote =	{Keywords: Minimum-weight partial matching, Pattern matching, Approximation}
}

Keywords: Minimum-weight partial matching, Pattern matching, Approximation
Seminar: 29th International Symposium on Algorithms and Computation (ISAAC 2018)
Issue date: 2018
Date of publication: 2018


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