Erwan Le Pennec

PAC-Bayesian aggregation and NL-Means

joint work with J. Salmon and L. Montuelle

Exponential weighting schemes have proved to be very efficient in statistic estimation. In this work, which corresponds to the beginning of J. Salmon's thesis under my supervision, we have tried to link this scheme with the NL-Means image denoising technique. This has leads to some improvements published by J. Salmon. With L. Montuelle, we have studied aggregation of projection type estimators within the PAC framework.

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