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Authors: Haijuan Hu 1 ; Bing Li 2 and Quansheng Liu 1

Affiliations: 1 Université de Bretagne-Sud, France ; 2 Zhongshan Polytechnic, China

ISBN: 978-989-8565-03-7

Keyword(s): Gaussian Noise, Impulse Noise, Mixed Noise, Image Restoration, Denoising, Trilateral Filter, Non-local Means Filter, Law of Large Numbers, Central Limit Theorem.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Image Enhancement and Restoration ; Image Formation and Preprocessing

Abstract: In this paper we first present two convergence theorems which give a theoretical justification of the Non-Local Means Filter. Based on these theorems, we propose a new filter, called Non-Local Mixed Filter, to remove a mixture of Gaussian and random impulse noises. This filter combines the essential ideas of the Trilateral Filter and the Non-Local Means Filter. It improves the Trilateral Filter and extends the Non-Local Means Filter. Our experiments show that the new filter generally outperforms two other recent proposed methods. A careful discussion and simple formulas are given for the choice of parameters for the proposed filter.

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Paper citation in several formats:
Hu, H.; Li, B. and Liu, Q. (2012). NON-LOCAL FILTER FOR REMOVING A MIXTURE OF GAUSSIAN AND IMPULSE NOISES.In Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2012) ISBN 978-989-8565-03-7, pages 145-150. DOI: 10.5220/0003864801450150

@conference{visapp12,
author={Haijuan Hu. and Bing Li. and Quansheng Liu.},
title={NON-LOCAL FILTER FOR REMOVING A MIXTURE OF GAUSSIAN AND IMPULSE NOISES},
booktitle={Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2012)},
year={2012},
pages={145-150},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003864801450150},
isbn={978-989-8565-03-7},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2012)
TI - NON-LOCAL FILTER FOR REMOVING A MIXTURE OF GAUSSIAN AND IMPULSE NOISES
SN - 978-989-8565-03-7
AU - Hu, H.
AU - Li, B.
AU - Liu, Q.
PY - 2012
SP - 145
EP - 150
DO - 10.5220/0003864801450150

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