Error-resilient coding technique for 3D graphic models

Zhidong Yan; Sunil Kumar; Jiankun Li; C.-C. Jay Kuo

doi:10.1117/12.382968

19 April 2000 Error-resilient coding technique for 3D graphic models

Zhidong Yan, Sunil Kumar, Jiankun Li, C.-C. Jay Kuo

Proceedings Volume 3974, Image and Video Communications and Processing 2000; (2000) https://doi.org/10.1117/12.382968
Event: Electronic Imaging, 2000, San Jose, CA, United States

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.

Citation Download Citation

Zhidong Yan, Sunil Kumar, Jiankun Li, and C.-C. Jay Kuo "Error-resilient coding technique for 3D graphic models", Proc. SPIE 3974, Image and Video Communications and Processing 2000, (19 April 2000); https://doi.org/10.1117/12.382968

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