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A System Level Framework for Streaming 3-D Meshes over Packet Networks

Summary: A System Level Framework
for Streaming 3-D Meshes over Packet Networks
Ghassan Al-Regib and Yucel Altunbasak
School of Electrical and Computer Engineering
Georgia Institute of Technology
Atlanta, GA 30332-0250, USA
Abstract. In this paper, a system-level framework is proposed for 3-D
graphics streaming. The proposed architecture is scalable with respect to
the variations in both bandwidth and channel error characteristics. We
consider the end-to-end system, and jointly optimize pre-processing and
post-processing solutions. In particular, forward error correction (FEC)
and multiple description (MD) codes are applied to the base-layer mesh;
FEC codes are applied to enhancement layer connectivity data; and un-
equal error protection (UEP) and error-concealment methods are applied
to the geometry data. Re-transmission is utilized wherever it is applicable
as determined by the delay requirements. Furthermore, the performance
analysis of the system is also provided.
1 Introduction
The internet evolves from being a place for users to communicate through media


Source: Altunbasak, Yucel - School of Electrical and Computer Engineering, Georgia Institute of Technology


Collections: Engineering