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Design of asymmetric multiple description lattice vector quantizers

Suhas N. Diggavi^a, Neil J.A. Sloane^a, Vinay A. Vaishampayan^a

^aAT and T Shannon Laboratories, Florham Park, NJ, USA

DCC Institute of Electrical and Electronics Engineers2002-11-07 36 citations18 references

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Abstract

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 a ZZ/sup 2/ lattice. We also evaluate its rate-distortion performance and compare it to known information theoretic bounds.

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Design of asymmetric multiple description lattice vector quantizers

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