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Authors: Stéphanie Bigot 1 ; Djemaa Kachi 2 ; Sylvain Durand 1 and El Mustapha Mouaddib 2

Affiliations: 1 L.A.M.F.A., France ; 2 C.R.E.A., France

Keyword(s): Omnidirectional imaging, Spherical filters, Spherical harmonics, Wiener filter, Tikhonov regularization.

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

Abstract: This paper addresses the problem of spherical image processing. Thanks to projective geometry, the omnidirectional image can be presented as a function on sphere S2 . The target application includes omnidirectional image smoothing. We describe a new method of smoothing for spherical images. For that purpose, we introduce a suitable Wiener filter and we use the Tikhonov method to these images. In order to compare their performances, we present the most used classical spherical kernels. We present several examples for filtering real and synthetical spherical images.

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Paper citation in several formats:
Bigot, S.; Kachi, D.; Durand, S. and Mustapha Mouaddib, E. (2007). SPHERICAL IMAGE DENOISING AND ITS APPLICATION TO OMNIDIRECTIONAL IMAGING. In Proceedings of the Second International Conference on Computer Vision Theory and Applications (VISIGRAPP 2007) - Volume 1: VISAPP; ISBN 978-972-8865-73-3; ISSN 2184-4321, SciTePress, pages 101-108. DOI: 10.5220/0002052301010108

@conference{visapp07,
author={Stéphanie Bigot. and Djemaa Kachi. and Sylvain Durand. and El {Mustapha Mouaddib}.},
title={SPHERICAL IMAGE DENOISING AND ITS APPLICATION TO OMNIDIRECTIONAL IMAGING},
booktitle={Proceedings of the Second International Conference on Computer Vision Theory and Applications (VISIGRAPP 2007) - Volume 1: VISAPP},
year={2007},
pages={101-108},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002052301010108},
isbn={978-972-8865-73-3},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Second International Conference on Computer Vision Theory and Applications (VISIGRAPP 2007) - Volume 1: VISAPP
TI - SPHERICAL IMAGE DENOISING AND ITS APPLICATION TO OMNIDIRECTIONAL IMAGING
SN - 978-972-8865-73-3
IS - 2184-4321
AU - Bigot, S.
AU - Kachi, D.
AU - Durand, S.
AU - Mustapha Mouaddib, E.
PY - 2007
SP - 101
EP - 108
DO - 10.5220/0002052301010108
PB - SciTePress

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