Volume 31 Issue 10
Oct.  2006
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LIU Chun, WU Hangbin. Compress Method for Three Dimension Laser Scanning Data Based on 3D Triangulated Irregular Network[J]. Geomatics and Information Science of Wuhan University, 2006, 31(10): 908-911.
Citation: LIU Chun, WU Hangbin. Compress Method for Three Dimension Laser Scanning Data Based on 3D Triangulated Irregular Network[J]. Geomatics and Information Science of Wuhan University, 2006, 31(10): 908-911.
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Compress Method for Three Dimension Laser Scanning Data Based on 3D Triangulated Irregular Network

  • 1 Department of Survey and Geo-informatics,Tongji University,1239 Siping Road,Shanghai 200092,China;2 Key Laboratory of Advanced Engineering Surveying of SBSM,1239 Siping Road, Shanghai 200092,China

Funds: 国家自然科学基金资助项目(40501061);同济大学长江特聘讲座教授计划资助项目
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  • Received Date: July 22, 2006
  • Revised Date: July 22, 2006
  • Published Date: October 04, 2006
    Graphical Abstract
    • Abstract
  • A data compress idea is put forward by considering the judge accordance of the angle between two normal lines of the triangular plane face.So that the corresponding algorithm of the data compress is given by calculating the angle between two normal lines.The acceptance or rejection of a point is determined according to the comparison between the biggest angle with the defined threshold.As a case study,the Kongzi portrait in Tongji University is scanned and the real three dimensional model is established.The data compression aim to the Kongzi portrait is conducted to achieve the realization of the given method.In order to prove the feasibility of the method and the quality of the compression,several evaluation results are then analyzed same with the case data.
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