Robust coding of 3D topological mesh data with RVLC

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

doi:10.1117/12.365827

18 October 1999 Robust coding of 3D topological mesh data with RVLC

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

Proceedings Volume 3808, Applications of Digital Image Processing XXII; (1999) https://doi.org/10.1117/12.365827
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

An integrated system for the robust coding of topological mesh data of arbitrary 3D graphic models is investigated in this work. The proposed system can achieve higher error resiliency with a low bit-rate overhead. This system mainly consists of two major modules, i.e. the segmentation module and the reversible variable length coding (RVLC) module. The segmentation module is used to divide an arbitrary 3D mesh into a group of smaller, uniform and independent segments depending on the error rate. Errors introduced in network transmission can be limited to the current segment instead of the whole mesh, which reduces the error propagation length drastically. The reversible variable length coding module is applied to each individual segment. It allows the recovery of a large portion of data from a corrupted segment due to the two-way decoding capability of RVLC. The amount of retransmitted data can thus be greatly reduced. In this research, two specific types of RVLC are considered, their parameters are carefully selected to match the symbol probability distributions. Experimental results show that an average overhead of 10 - 20% is required by the proposed scheme in comparison with the original error-free coding technique for the 300 testing 3D graphic models to given an excellent performance in the presence of noise.

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Zhidong Yan, Sunil Kumar, Jiankun Li, and C.-C. Jay Kuo "Robust coding of 3D topological mesh data with RVLC", Proc. SPIE 3808, Applications of Digital Image Processing XXII, (18 October 1999); https://doi.org/10.1117/12.365827

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KEYWORDS

3D modeling

Data modeling

Visualization

System integration

Image segmentation

Lithium

Computer programming

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