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Authors: Arnaud de Decker 1 ; John Aldo Lee 2 and Michel Verleysen 1

Affiliations: 1 Machine Learning Group, Université catholique de Louvain, Belgium ; 2 Molecular Imaging and Experimental Radiotherapy StLuc University Hospital, Université Catholique de Louvain, Belgium

Abstract: In the field of medical image analysis, denoising is one of the most important preprocessing steps before medical analysis. The design of an efficient, robust, and computationally effective edge-preserving denoising algorithm is a widely studied, and yet unsolved problem. One of the most efficient edgepreserving denoising algorithms is the bilateral filter, which is an intuitive generalization of the local M-smoother. In this paper, we propose to modify both the bilateral filter and the local M-smoother to use patches of the image instead of single voxels in the denoising process. Using patches instead of single voxels in the filtering process is a way to adapt the filter to the textures, ramps, and edges of the image, and make the filter more discriminant. The filtering performances of the patch-based algorithms are evaluated on a benchmark and a CT phantom image and compared to the bilateral filter and local M-smoother.

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Paper citation in several formats:
de Decker, A.; Aldo Lee, J. and Verleysen, M. (2009). Performance Assessment of Patch-based Bilateral Denoising. In Proceedings of the 1st International Workshop on Medical Image Analysis and Description for Diagnosis Systems (BIOSTEC 2009) - Workshop MIAD; ISBN 978-989-8111-77-7, SciTePress, pages 52-61. DOI: 10.5220/0001813900520061

@conference{workshop miad09,
author={Arnaud {de Decker}. and John {Aldo Lee}. and Michel Verleysen.},
title={Performance Assessment of Patch-based Bilateral Denoising},
booktitle={Proceedings of the 1st International Workshop on Medical Image Analysis and Description for Diagnosis Systems (BIOSTEC 2009) - Workshop MIAD},
year={2009},
pages={52-61},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001813900520061},
isbn={978-989-8111-77-7},
}

TY - CONF

JO - Proceedings of the 1st International Workshop on Medical Image Analysis and Description for Diagnosis Systems (BIOSTEC 2009) - Workshop MIAD
TI - Performance Assessment of Patch-based Bilateral Denoising
SN - 978-989-8111-77-7
AU - de Decker, A.
AU - Aldo Lee, J.
AU - Verleysen, M.
PY - 2009
SP - 52
EP - 61
DO - 10.5220/0001813900520061
PB - SciTePress

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