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math.FA2016
TV denoising of two balls in the plane
Vicent Caselles, Matteo Novaga, Christiane Pöschl
The aim of this paper is to compute the explicit solution of the total variation denoising problem corresponding to the characteristic function of a set which is the union of two p…
math.FA2011
Perimeter of sublevel sets in infinite dimensional spaces
Vicent Caselles, Alessandra Lunardi, Michele Miranda +1
We compare the perimeter measure with the Airault-Malliavin surface measure and we prove that all open convex subsets of abstract Wiener spaces have finite perimeter. By an explici…