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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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Rate-distortion optimized compression and view-dependent transmission of 3-D normal meshes

Cited 11 times inthomson ciCited 18 times inthomson ci
Title
Rate-distortion optimized compression and view-dependent transmission of 3-D normal meshes
Author
Sim, Jae-YoungKim, CSKuo, CCJLee, SU
Issue Date
2005-07
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, v.15, no.7, pp.854 - 868
Abstract
A unified approach to rate-distortion (R-D) optimized compression and view-dependent transmission of three-dimensional (3-D) normal meshes is investigated in this work. A normal mesh is partitioned into several segments, which are then encoded independently. The bitstream of each segment is truncated optimally using a geometry distortion model based on the subdivision hierarchy. It is shown that the proposed compression algorithm yields a higher coding gain than the conventional algorithm. Moreover, to facilitate interactive transmission of 3-D data according to a client's viewing position, the server can allocate an adaptive bitrate to each segment based on its visibility priority. Simulation results demonstrate that the view-dependent transmission technique can reduce the bandwidth requirement considerably, while maintaining a good visual quality.
URI
https://scholarworks.unist.ac.kr/handle/201301/7904
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=23744482040
DOI
10.1109/TCSVT.2005.848349
ISSN
1051-8215
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