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Multiple Description Coding of 3D Geometrywith Forward Error Correction Codes

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5 Author(s)
M. Oguz Bici ; Middle East Technical University, Ankara, Turkey ; Andrey Norkin ; Gozde Bozdagi Akar ; Atanas Gotchev
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This work presents a multiple description coding (MDC) scheme for compressed three dimensional (3D) meshes based on forward error correction (FEC). It allows flexible allocation of coding redundancy for reliable transmission over error-prone channels. The proposed scheme is based on progressive geometry compression, which is performed by using wavelet transform and modified SPIHT algorithm. The proposed algorithm is optimized for varying packet loss rates (PLR) and channel bandwidth. Modeling distortion-rate function considerably decreases computational complexity of bit allocation.

Published in:

2007 3DTV Conference

Date of Conference:

7-9 May 2007