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    <id>801</id>
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    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
    <publisherPlace/>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2004-06-15</completedDate>
    <publishedDate>2004-06-15</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Compressing Triangle Meshes using Geometric Infomation</title>
    <abstract language="eng">We introduce FreeLence, a lossless single-rate connectivity compression algorithm for triangle surface meshes. Based upon a geometry-driven traversal scheme we present two novel and simple concepts: free-valence connectivity encoding and entropy coding based on geometric context. Together these techniques yield significantly smaller rates for connectivity compression than current state of the art approaches - valence-based algorithms and Angle- Analyzer, with an average of $36\%$ improvement over the former and an average of $18\%$ over the latter on benchmark 3D models, combined with the ability to well adapt to the regularity of meshes. We also prove that our algorithm exhibits a smaller worst case entropy for a class of "'well-behaved"' triangle meshes than valence-driven connectivity encoding approaches.</abstract>
    <identifier type="serial">04-26</identifier>
    <identifier type="opus3-id">802</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-8016</identifier>
    <enrichment key="SourceTitle">&lt;strong&gt;Revised Version (NOV 2005)&lt;/strong&gt;&lt;a href= "ftp://ftp.zib.de/pub/zib-publications/reports/ZR04261.ps.Z" &gt;&lt;img SRC="/PaperWeb/abstracts/icons/postscript.gif" border="0"&gt;&lt;/a&gt; &lt;a href= "ftp://ftp.zib.de/pub/zib-publications/reports/ZR04261.pdf" &gt;&lt;im</enrichment>
    <author>Felix Kälberer</author>
    <author>Konrad Polthier</author>
    <author>Ulrich Reitebuch</author>
    <author>Max Wardetzky</author>
    <series>
      <title>ZIB-Report</title>
      <number>04-26</number>
    </series>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Mesh Compression</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Connectivity Encoding</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Polygonal Meshes</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Context-based Entropy Coding</value>
    </subject>
    <collection role="ddc" number="000">Informatik, Informationswissenschaft, allgemeine Werke</collection>
    <collection role="ccs" number="I.3.5">Computational Geometry and Object Modeling</collection>
    <collection role="institutes" number="">ZIB Allgemein</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/801/ZR-04-26.ps</file>
    <file>https://opus4.kobv.de/opus4-zib/files/801/ZR-04-26.pdf</file>
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  <doc>
    <id>3865</id>
    <completedYear>2005</completedYear>
    <publishedYear>2005</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>469</pageFirst>
    <pageLast>478</pageLast>
    <pageNumber/>
    <edition/>
    <issue>Issue 3</issue>
    <volume>24</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Free Lence - Coding with free valences</title>
    <parentTitle language="eng">Computer Graphics Forum</parentTitle>
    <identifier type="doi">10.1111/j.1467-8659.2005.00872.x</identifier>
    <author>Felix Kälberer</author>
    <author>Konrad Polthier</author>
    <author>Ulrich Reitebuch</author>
    <author>Max Wardetzky</author>
    <collection role="institutes" number="vis">Visual Data Analysis</collection>
    <collection role="institutes" number="VDcC">Visual and Data-centric Computing</collection>
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