Title
MIxed Gaussian-impulse noise image restoration via total variation
Date Issued
23 October 2012
Access level
metadata only access
Resource Type
conference paper
Author(s)
Abstract
Several Total Variation (TV) regularization methods have recently been proposed to address denoising under mixed Gaussian and impulse noise. While achieving high-quality denoising results, these new methods are based on complicated cost functionals that are difficult to optimize, which negatively affects their computational performance. In this paper we propose a simple cost functional consisting of a TV regularization term and ℓ 2 and ℓ 1 data fidelity terms, for Gaussian and impulse noise respectively, with local regularization parameters selected by an impulse noise detector. The computational performance of the proposed algorithm greatly exceeds that of the state of the art algorithms within the TV framework, and its reconstruction quality performance is competitive for high noise levels, for both grayscale and vector-valued images. © 2012 IEEE.
Start page
1077
End page
1080
Language
English
OCDE Knowledge area
Otras ingenierías y tecnologías
Subjects
Scopus EID
2-s2.0-84867586323
PubMed ID
ISBN
9781467300469
Source
ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
ISSN of the container
15206149
Sources of information:
Directorio de Producción Científica
Scopus