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An Algorithm for Image Representation as Independent Levels of Resolution

Antonio Turiel5, Jean-Pierre Nadal6 and Néstor Parga7

(5)  Air Project - INRIA, Domaine de Voluceau, BP105, 78153 Le Chesnay CEDEX, France
(6)  Laboratoire de Physique Statistique, Ecole Normale Supérieure, 24 rue Lhomond, 75231 Paris CEDEX 05, France
(7)  Departamento de Física Teórica, Universidad Autónoma de Madrid, 28049 Cantoblanco, Madrid, Spain
Abstract
Recently it has been shown that natural images possess a special type of scale invariant statistics (multiscaling). In this paper, we will show how the multiscaling properties of images can be used to derive a redundancy-reducing oriented wavelet basis. This kind of representation can be learnt from the data and is optimally adapted for image coding; besides, it shows some features found in the visual pathway.

Keywords  Wavelets - statistical analysis - coding


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