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Authors: Bruno Amizic 1 ; Aggelos K. Katsaggelos 1 and Rafael Molina 2

Affiliations: 1 Northwestern University, United States ; 2 Universidad de Granada, United States

Keyword(s): Bayesian framework, blind multi-channel restoration, logarithmic opinion pooling, variational methods.

Abstract: In this paper we examine the use of logarithmic opinion pooling techniques to combine two observations models that are normally used in multi-channel image restoration techniques. The combined observation model is used together with simultaneous autoregression prior models for the image and blurs to define the joint distribution of image, blurs and observations. Assuming that all the unknown parameters are previously estimated we use variational techniques to approximate the posterior distribution of the real underlying image and the unknown blurs. We will examine the use of two approximations of the posterior distribution. Experimental results are used to validate the proposed approach.

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Paper citation in several formats:
Amizic, B.; K. Katsaggelos, A. and Molina, R. (2008). USING LOGARITHMIC OPINION POOLING TECHNIQUES IN BAYESIAN BLIND MULTI-CHANNEL RESTORATION. In Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: BAIPCV; ISBN 978-989-8111-21-0; ISSN 2184-4321, SciTePress, pages 565-570. DOI: 10.5220/0001091405650570

@conference{baipcv08,
author={Bruno Amizic. and Aggelos {K. Katsaggelos}. and Rafael Molina.},
title={USING LOGARITHMIC OPINION POOLING TECHNIQUES IN BAYESIAN BLIND MULTI-CHANNEL RESTORATION},
booktitle={Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: BAIPCV},
year={2008},
pages={565-570},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001091405650570},
isbn={978-989-8111-21-0},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: BAIPCV
TI - USING LOGARITHMIC OPINION POOLING TECHNIQUES IN BAYESIAN BLIND MULTI-CHANNEL RESTORATION
SN - 978-989-8111-21-0
IS - 2184-4321
AU - Amizic, B.
AU - K. Katsaggelos, A.
AU - Molina, R.
PY - 2008
SP - 565
EP - 570
DO - 10.5220/0001091405650570
PB - SciTePress