Asymmetric multiple description lattice vector quantizers

Author

Diggavi, Suhas N. ; Sloane, N. J A ; Vaishampayan, Vinay A.

Author_Institution

AT&T Shannon Labs., Florham Park, NJ, USA

Volume

48

Issue

1

fYear

2002

fDate

1/1/2002 12:00:00 AM

Firstpage

174

Lastpage

191

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. The high-rate asymptotic performance of the quantizer is also studied. We evaluate the rate-distortion performance of the quantizer and compare it to known information-theoretic bounds. The high-rate asymptotic analysis is compared to the performance of the quantizer

Keywords

rate distortion theory; source coding; vector quantisation; VQ; asymmetric multiple description lattice quantizers; asymmetric multiple description lattice vector quantizers; balanced multiple description quantizers; distortion profile; general design procedure; hierarchical successive refinement quantizers; high-rate asymptotic performance; information-theoretic bounds; labeling problem solution; quantizer performance; rate-distortion performance; source coding; sublattices; symmetric multiple description quantizers; Bridges; Data compression; Decoding; IP networks; Labeling; Lattices; Performance analysis; Rate-distortion; Source coding; Vector quantization;

fLanguage

English

Journal_Title

Information Theory, IEEE Transactions on

Publisher

ieee

ISSN

0018-9448

Type

jour

DOI

10.1109/18.971747

Filename

971747