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Denoising using linear and nonlinear multiresolutions II: cell‐average framework and color images

Sergio Amat (Departamento de Matemática Aplicada y Estadistica, Universidad Politécnica de Cartagena, Cartagena, Spain)
Juan Ruiz (CIEMAT, Universidad Politécnica de Cartagena, Spain)
J. Carlos Trillo (Departamento de Matemática Aplicada y Estadistica, Universidad Politécnica de Cartagena, Cartagena, Spain)

Engineering Computations

ISSN: 0264-4401

Article publication date: 9 October 2009

181

Abstract

Purpose

Multiresolution representations of data are classical tools in image processing applications. The purpose of this paper is to discuss a particular problem, obtaining good reconstructions of noise images.

Design/methodology/approach

A nonlinear multiresolution scheme within Harten's framework corresponding to a nonlinear cell‐average technique is used for color image denoising.

Findings

This paper finds it is possible, for example, to apply the theoretical framework to case studies in internationally operating companies delivering a mix of goods and services.

Research limitations/implications

The present study provides a starting point for further research in the denoising problems using nonlinear techniques.

Originality/value

Moreover, the proposed framework has proven to be useful in improving the classical linear multiresolution approaches.

Keywords

Citation

Amat, S., Ruiz, J. and Carlos Trillo, J. (2009), "Denoising using linear and nonlinear multiresolutions II: cell‐average framework and color images", Engineering Computations, Vol. 26 No. 7, pp. 806-827. https://doi.org/10.1108/02644400910985189

Publisher

:

Emerald Group Publishing Limited

Copyright © 2009, Emerald Group Publishing Limited

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