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astro-ph.IM2020
A comparative analysis of denoising algorithms for extragalactic imaging surveys
V. Roscani, S. Tozza, M. Castellano +4
We present a comprehensive analysis of the performance of noise-reduction (``denoising'') algorithms to determine whether they provide advantages in source detection on extragalact…
math.NA2020
Multidimensional smoothness indicators for first-order Hamilton-Jacobi equations
Maurizio Falcone, Giulio Paolucci, Silvia Tozza
The lack of smoothness is a common feature of weak solutions of nonlinear hyperbolic equations and is a crucial issue in their approximation. This has motivated several efforts to…