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Proceedings Paper

Error-resilient coding technique for 3D graphic models
Author(s): Zhidong Yan; Sunil Kumar; Jiankun Li; C.-C. Jay Kuo
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Paper Abstract

Existing techniques for coding a general 3D graphic model are very sensitive to errors. The coded bitstream can be easily ruined with even a single bit error in the topology structure part. As a result, the reconstruction of the original mesh becomes difficult or even impossible. In this research, we propose a new approach for error resilient coding of 3D graphic models, and reconstruct the original model to the maximum extent from corrupted 3D mesh data while maintaining a satisfactory compression performance. In the proposed scheme, the 3D mesh is first divided into a number of small pieces by using any standard mesh segmentation algorithm. A new structure, i.e. the joint boundary, is then retrieved from those divided pieces. It is used to stitch segmented pieces back to form the original model. We develop a new coding algorithm for the joint boundary. The coded joint boundary topology and the first 3 bit-planes of coded joint boundary geometry are protected using the forward error correction (FEC) code. They can be decoded free of error. Consequently, they provide the anchor-vertices and anchor-links in the 3D space, and form the key structure in error detection, recovery and concealment of corresponding pieces. It is demonstrated that the proposed coding scheme can achieve very good results for the bit error rate (BER) less than 10-3 while maintaining high coding efficiency.

Paper Details

Date Published: 19 April 2000
PDF: 12 pages
Proc. SPIE 3974, Image and Video Communications and Processing 2000, (19 April 2000); doi: 10.1117/12.382968
Show Author Affiliations
Zhidong Yan, Univ. of Southern California (United States)
Sunil Kumar, Univ. of Southern California (United States)
Jiankun Li, Univ. of Southern California (United States)
C.-C. Jay Kuo, Univ. of Southern California (United States)

Published in SPIE Proceedings Vol. 3974:
Image and Video Communications and Processing 2000
Bhaskaran Vasudev; T. Russell Hsing; Andrew G. Tescher; Robert L. Stevenson, Editor(s)

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