Non-Additive Imprecise Image Super-Resolution in a Semi-Blind Context

Fares Graba 1 Frédéric Comby 1 Olivier Strauss 1
1 ICAR - Image & Interaction
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : The most effective superresolution methods proposed in the literature require precise knowledge of the so-called point spread function of the imager, while in practice its accurate estimation is nearly impossible. This paper presents a new superresolution method, whose main feature is its ability to account for the scant knowledge of the imager point spread function. This ability is based on representing this imprecise knowledge via a non-additive neighborhood function. The superresolution reconstruction algorithm transfers this imprecise knowledge to output by producing an imprecise (interval-valued) high-resolution image. We propose some experiments illustrating the robustness of the proposed method with respect to the imager point spread function. These experiments also highlight its high performance compared with very competitive earlier approaches. Finally, we show that the imprecision of the high-resolution interval-valued reconstructed image is a reconstruction error marker.
Type de document :
Article dans une revue
IEEE Transactions on Image Processing, Institute of Electrical and Electronics Engineers, 2017, 26 (3), pp.1379-1392. 〈10.1109/TIP.2016.2621414〉
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Soumis le : lundi 13 mars 2017 - 12:33:09
Dernière modification le : jeudi 15 mars 2018 - 09:36:03

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Fares Graba, Frédéric Comby, Olivier Strauss. Non-Additive Imprecise Image Super-Resolution in a Semi-Blind Context. IEEE Transactions on Image Processing, Institute of Electrical and Electronics Engineers, 2017, 26 (3), pp.1379-1392. 〈10.1109/TIP.2016.2621414〉. 〈lirmm-01488049〉

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