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Texture coding using a Wold decomposition model

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3 Author(s)
R. Sriram ; Philips Labs., Briarcliff Manor, NY, USA ; J. M. Francos ; W. A. Pearlman

A novel approach for coding textured images is presented. The texture field is assumed to be a realization of a regular homogeneous random field, which can have a mixed spectral distribution. On the basis of a two-dimensional (2-D) Wold-like decomposition, the field is represented as a sum of a purely indeterministic, harmonic, and countable number of evanescent fields. We present an algorithm for estimating and coding the texture model parameters, and show that the suggested algorithm yields high-quality reconstructions at low bit rates. The model and the resulting coding algorithm are seen to be applicable to a wide variety of texture types found in natural images

Published in:

IEEE Transactions on Image Processing  (Volume:5 ,  Issue: 9 )