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Enhancing fractal image compression with vector quantization

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3 Author(s)
Hamzaoui, R. ; Inst. fur Inf., Freiberg Univ., Germany ; Muller, M. ; Saupe, D.

A novel hybrid scheme combining fractal image compression with mean-removed shape-gain vector quantization is presented. The algorithm, based on a distance classification fractal coder with fixed cluster centers, decides whether to encode a range block by a cluster center or by a domain block. Our scheme is shown to improve the performance of conventional fractal coding in all its aspects. The rate-distortion curve is ameliorated, and both the encoding and the decoding are faster

Published in:

Digital Signal Processing Workshop Proceedings, 1996., IEEE

Date of Conference:

1-4 Sep 1996