An aggregator point of view on NL-Means

J. Salmon; E. Le Pennec

doi:10.1117/12.826881

4 September 2009 An aggregator point of view on NL-Means

J. Salmon, E. Le Pennec

Proceedings Volume 7446, Wavelets XIII; 74461E (2009) https://doi.org/10.1117/12.826881
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

Patch based methods give some of the best denoising results. Their theoretical performances are still unexplained mathematically. We propose a novel insight of NL-Means based on an aggregation point of view. More precisely, we describe the framework of PAC-Bayesian aggregation, show how it allows to derive some new patch based methods and to characterize their theoretical performances, and present some numerical experiments.

Citation Download Citation

J. Salmon and E. Le Pennec "An aggregator point of view on NL-Means", Proc. SPIE 7446, Wavelets XIII, 74461E (4 September 2009); https://doi.org/10.1117/12.826881

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