Mathematical Problems in Engineering / 2019 / Article / Alg 1

Research Article

A New Smoothed L0 Regularization Approach for Sparse Signal Recovery

Algorithm 1

Regularized reweighted smoothed -norm minimization (RRSL0) algorithm using MCG method.

Initialization: and
Step 1: Set ;
Step 2: decomposition , the equals to the columns of , so the initial value
Step 3: For
 (1) Set , compute by equation (23);
 (2) Set , and iterative termination threshold ;
 (3) While
  (a) Compute by equations (24), (25), (26), (27), (28);
  (b) Compute ;
(4) Let , and compute ;
Step 4: Output .

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