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math.NA2019
Data Driven Tight Frame for Compressed Sensing MRI Reconstruction via Off-the-Grid Regularization
Jian-Feng Cai, Jae Kyu Choi, Ke Wei
Recently, the finite-rate-of-innovation (FRI) based continuous domain regularization is emerging as an alternative to the conventional on-the-grid sparse regularization for the com…
math.NA2019
Fast Cadzow's Algorithm and a Gradient Variant
Haifeng Wang, Jian-Feng Cai, Tianming Wang +1
The Cadzow's algorithm is a signal denoising and recovery method which was designed for signals corresponding to low rank Hankel matrices. In this paper we first introduce a Fast C…