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math.NA2020★ 2 cited
Image Restoration: Structured Low Rank Matrix Framework for Piecewise Smooth Functions and Beyond
Jian-Feng Cai, Jae Kyu Choi, Jingyang Li +1
Recently, mapping a signal/image into a low rank Hankel/Toeplitz matrix has become an emerging alternative to the traditional sparse regularization, due to its ability to alleviate…
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…