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math.OC2022
Selecting Regularization Parameters for nuclear norm type minimization problems
Kexin Li, Hongwei Li, Raymond H. Chan +1
The reconstruction of low-rank matrix from its noisy observation finds its usage in many applications. It can be reformulated into a constrained nuclear norm minimization problem,…
math.OC2021
Regularization with Multilevel Non-stationary Tight Framelets for Image Restoration
Yan-ran Li, Raymond H. F. Chan, Lixin Shen +1
Variational regularization models are one of the popular and efficient approaches for image restoration. The regularization functional in the model carries prior knowledge about th…