Motion compensated coding of 3-d animation models

Jeong Hwan Ahn, Chang Su Kim, C. C.Jay Kuo, Yo Sung Ho

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this paper, we propose a new algorithm to code the animated three-dimensional (3-D) mesh model. After we classify the mesh frames in the animation model into intra- and inter-meshes, each mesh frame is decomposed into linear triangular strips, which in turn are partitioned into several fixed-length segments. The intra-mesh is compressed by differential coding of vertex coordinates. The inter-mesh is motion-compensated segment by segment from the previous meshes and residual errors are transformed by 1-D DCT. The transform coefficients are then entropy coded. We demonstrate that the proposed algorithm yields an improved coding gain than the MPEG-4 SNHC codec.

Original languageEnglish
Pages (from-to)292-300
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4671 I
DOIs
Publication statusPublished - 2002

Keywords

  • 3-D animation models
  • Graphic compression
  • Triangular mesh

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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