The Compression of the Normal Vectors of 3D Mesh Models Using Clustering

  • Authors:
  • Deok-Soo Kim;Youngsong Cho;Donguk Kim

  • Affiliations:
  • -;-;-

  • Venue:
  • ICCS '02 Proceedings of the International Conference on Computational Science-Part II
  • Year:
  • 2002

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Abstract

As the transmission of 3D shape models through Internet becomes more important, the compression issue of shape models gets more critical. The issues for normal vectors have not yet been explored as much as it deserves, even though the size of the data for normal vectors can be significantly larger than its counterparts of topology and geometry. Presented in this paper is an approach to compress the normal vectors of a shape model represented in a mesh using the concept of clustering. It turns out that the proposed approach has a significant compression ratio without a serious sacrifice of the visual quality of the model.