Asymmetric Multiple Description Lattice Vector Quantizers

Details Asymmetric Multiple Description Lattice Vector Quantizers Asymmetric Multiple Description Lattice Vector Quantizers

2002-07-21

arxiv.org/abs/math/0207184v1

IEEE Transactions Information Theory, 48 (2002), 174-191

Mathematics

Combinatorics

29 pages, 14 figs

Scientific paper

We consider the design of asymmetric multiple description lattice quantizers that cover the entire spectrum of the distortion profile, ranging from symmetric or balanced to successively refinable. We present a solution to a labeling problem, which is an important part of the construction, along with a general design procedure. This procedure is illustrated using the Z^2 lattice. The asymptotic performance of the quantizer is analyzed in the high-rate case. We also evaluate its rate-distortion performance and compare it to known information theoretic bounds.

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