A Fast Scheme for Multiscale Signal Denoising

Authors:
Vittoria Bruni;Benedetto Piccoli;Domenico Vitulano
Affiliations:
Istituto per le Applicazioni del Calcolo "M. Picone", C. N. R., Rome, Italy 00161;Istituto per le Applicazioni del Calcolo "M. Picone", C. N. R., Rome, Italy 00161;Istituto per le Applicazioni del Calcolo "M. Picone", C. N. R., Rome, Italy 00161
Venue:
ICIAR '08 Proceedings of the 5th international conference on Image Analysis and Recognition
Year:
2008

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Abstract

This paper exploits the time scale structure of the wavelet coefficients for implementing a novel and fast scheme for signal and image denoising. The time scale behavior of the coefficients is rigorously modeled through superposition of simple atoms using suitable projection spaces. This result allows us to avoid expensive numerical schemes requiring a low computational effort. Extensive experimental results show the competitive performances of the proposed approach.