Emergent Mind
Blind super-resolution of point sources via fast iterative hard thresholding
(2109.11414)
Published Sep 23, 2021
in
cs.IT
and
math.IT
Abstract
In this work, we develop a provable fast algorithm for blind super-resolution based on the low rank structure of vectorized Hankel matrix associated with the target matrix. Theoretical results show that the proposed method converges to the ground truth with linear convergence rate. Numerical experiments are also conducted to illustrate the linear convergence and effectiveness of the proposed approach.
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