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math.OC2016★ 1 cited
Exact solutions for the denoising problem of piecewise constant images in dimension one
Riccardo Cristoferi
In this paper we propose a method to determine explicitly the solution of the total variation denoising problem with an fidelity term, where , for piecewise constant ini…
math.AP2016
A second order local minimality criterion for the triple junction singularity of the Mumford-Shah functional
Riccardo Cristoferi
This paper is the first part of an ongoing project aimed at providing a local minimality criterion, based on a second variation approach, for the triple point configurations of the…