54 citations · 76 across the 8 of their papers we have counts for
3 papers · 2 filters
Inversion of noisy Radon transform by SVD based needlet
Gérard Kerkyacharian, George Kyriazis, Erwan Le Pennec +2
A linear method for inverting noisy observations of the Radon transform is developed based on decomposition systems (needlets) with rapidly decaying elements induced by the Radon t…
Bandlet Image Estimation with Model Selection
Charles Dossal, Erwan Le Pennec, Stéphane Mallat
To estimate geometrically regular images in the white noise model and obtain an adaptive near asymptotic minimaxity result, we consider a model selection based bandlet estimator. T…
Thresholding methods to estimate the copula density
Florent Autin, Erwan Le Pennec, Karine Tribouley
This paper deals with the problem of the multivariate copula density estimation. Using wavelet methods we provide two shrinkage procedures based on thresholding rules for which the…