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Proceedings Paper

Block-based adaptive lifting schemes for multiband image compression
Author(s): Hela Masmoudi; Amel Benazza-Benyahia; Jean-Christophe Pesquet
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Paper Abstract

In this paper, we are interested in designing lifting schemes adapted to the statistics of the wavelet coefficients of multiband images for compression applications. More precisely, nonseparable vector lifting schemes are used in order to capture simultaneously the spatial and the spectral redundancies. The underlying operators are then computed in order to minimize the entropy of the resulting multiresolution representation. To this respect, we have developed a new iterative block-based classification algorithm. Simulation tests carried out on remotely sensed multispectral images indicate that a substantial gain in terms of bit-rate is achieved by the proposed adaptive coding method w.r.t the non-adaptive one.

Paper Details

Date Published: 27 February 2004
PDF: 11 pages
Proc. SPIE 5266, Wavelet Applications in Industrial Processing, (27 February 2004);
Show Author Affiliations
Hela Masmoudi, Ecole Superieure des Communications de Tunis (Tunisia)
Amel Benazza-Benyahia, Ecole Superieure des Communications de Tunis (Tunisia)
Jean-Christophe Pesquet, Univ. de Marne la Vallee (France)

Published in SPIE Proceedings Vol. 5266:
Wavelet Applications in Industrial Processing
Frederic Truchetet, Editor(s)

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