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math.NA2017★ 6 cited
Directional Total Generalized Variation Regularization
Rasmus Dalgas Kongskov, Yiqiu Dong, Kim Knudsen
In inverse problems, prior information and a priori-based regularization techniques play important roles. In this paper, we focus on image restoration problems, especially on resto…
math.NA2015
Noise Robustness of a Combined Phase Retrieval and Reconstruction Method for Phase-Contrast Tomography
Rasmus Dalgas Kongskov, Jakob Sauer Jørgensen, Henning Friis Poulsen +1
Classical reconstruction methods for phase-contrast tomography consist of two stages: phase retrieval and tomographic reconstruction. A novel algebraic method combining the two was…