Address‐Predictive Vector Quantization of Images by Topology‐Preserving Codebook Ordering

1 July 1993

journal article
Published by Wiley in European Transactions on Telecommunications

Vol. 4 (4) , 423-434
https://doi.org/10.1002/ett.4460040408

Abstract

Address vector quantization is a recently proposed image coding technique based on vector quantization (VQ) which exploits the interblock dependence by jointly encoding groups of VQ addresses. In this paper, by further developing the idea of address encoding, a new image coding technique is proposed. It is based upon the design of an ordered VQ codebook such that co‐devectors which are similar to each other have close addresses. As a result, the performance in terms of bit‐rate is very close to that of Address VQ, but much lower computational complexity and memory storage are required.

Keywords

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