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math.OC2024
Revisiting Atomic Norm Minimization: A Sequential Approach for Atom Identification and Refinement
Xiaozhi Liu, Jinjiang Wei, Yong Xia
Atomic norm minimization (ANM) is a key approach for line spectral estimation (LSE). Most related algorithms formulate ANM as a semidefinite programming (SDP), which incurs high co…
math.OC2024
Cubic NK-SVD: An Algorithm for Designing Parametric Dictionary in Frequency Estimation
Xiaozhi Liu, Yong Xia
We propose a novel parametric dictionary learning algorithm for line spectral estimation, applicable in both single measurement vector (SMV) and multiple measurement vectors (MMV)…