Dynamic Magnetic Resonance Imaging Reconstruction Based on Nonconvex Low-Rank Model

Algorithm 1

Dynamic MRI reconstruction algorithm based on nonconvex low-rank model.

Input: Observed data , encoding operator , regularization parameter , ;

Initialize:, , , , , ;

Solving (4) via an alternate iteration method

While not convergence do

Update by (11);

Update and by (13) and (14), respectively;

Update by (15);

Update and by (16) and (17), respectively;

;

End while

Output:, , .