Approximate Sparsity and Nonlocal Total Variation Based Compressive MR Image Reconstruction

Algorithm 1

Pseudocode of WasNLTV based compressive MR image reconstruction.

Initialization: set , choose , , , , , , and

repeat:

 compute sub-problem: based on (23)

 for  

  computer   sub-problem: based on (25), (27) and (29)

 end for

 update Lagrange multipliers:

 update  iteration:

until the stopping criterion is satisfied.