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Sim, Jae-Young
Visual Information Processing Lab (VIP Lab)
Research Interests
  • Image processing, computer vision, 3D visual processing, signal processing

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Lossless compression of 3-D point data in QSplat representation

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Title
Lossless compression of 3-D point data in QSplat representation
Author
Sim, Jae-YoungKim, CSLee, SU
Keywords
3-D point data; Lossless compression; QSplat
Issue Date
2005-12
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON MULTIMEDIA, v.7, no.6, pp.1191 - 1195
Abstract
We propose a lossless compression algorithm for three-dimensional point data in graphics applications. In typical point representation, each point is treated as a sphere and its geometrical and normal data are stored in the hierarchical structure of bounding spheres. The proposed algorithm sorts child spheres according to their positions to achieve a higher coding gain for geometrical data. Also, the proposed algorithm compactly encodes normal data by exploiting high correlation between parent and child normals. Simulation results show that the proposed algorithm saves up to 60% of storage space.
URI
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DOI
10.1109/TMM.2005.858410
ISSN
1520-9210
Appears in Collections:
EE_Journal Papers
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