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Unequal Error Protection (UEP) for Wavelet-Based Wireless 3D Mesh Transmission

Authors: Fan Wu 0013; Emmanuel Agu; Clifford Lindsay; Chung-Han Chen;

Unequal Error Protection (UEP) for Wavelet-Based Wireless 3D Mesh Transmission

Abstract

The recent popularity of networked graphicsapplications such as distributed military simulators andonline games, has increased the need to transmit large 3Dmeshes and textures over wireless networks. To speed up large mesh transmission over low-bandwidth wireless links, we use a wavelet-based technique that aggressively compresses large meshes and enables progressive (piece-wise) transmission. Using wavelets, a server only needs to send the full connectivity information of a small base mesh along with wavelet coefficients that refine it, saving memory and bandwidth. To mitigate packet losses caused by high wireless error rates, we propose a novel Forward Error Correction (FEC) scheme based on Unequal Error Protection (UEP). UEP adds more error correction bits to regions of the mesh that have more details. Our work uses UEP to make wavelet-encoded meshes more resilient to wireless errors. Experimental results shows that our proposed UEP scheme is more error-resilient than NoError Protection (NEP) and Equal Error Protection (EEP) asthe packet loss rate increases by achieving 50% less relative errors and maintaining the decoded mesh structure. Our scheme can be integrated into future mobile devices and shall be useful in application areas such as military simulators on mobile devices.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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