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math.NA2022★ 2 cited
A Second-Order TGV Discretization with Rotational Invariance Property
Alireza Hosseini, Kristian Bredies
In this work, we propose a new discretization for second-order total generalized variation (TGV) with some distinct properties compared to existing discrete formulations. The intro…
math.NA2017★ 1 cited
A Regularization Term Based on a Discrete Total Variation for Mathematical Image Processing
Alireza Hosseini
In this paper, a new regularization term is proposed to solve mathematical image problems. By using difference operators in the four directions; horizontal, vertical and two diagon…