194 citations · 496 across the 24 of their papers we have counts for
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math.ST2007★ 39 cited
Subsampling needlet coefficients on the sphere
P. Baldi, G. Kerkyacharian, D. Marinucci +1
In a recent paper, we analyzed the properties of a new kind of spherical wavelets (called needlets) for statistical inference procedures on spherical random fields; the investigati…
math.ST2007★ 34 cited
Needlet algorithms for estimation in inverse problems
Gérard Kerkyacharian, Pencho Petrushev, Dominique Picard +1
We provide a new algorithm for the treatment of inverse problems which combines the traditional SVD inversion with an appropriate thresholding technique in a well chosen new basis.…