Enhancing Matrix Completion Using a Modified Second-Order Total Variation

Algorithm 1

Solving problem (14) via ADMM.

Input: , , , = = , = 0, , , and

Output:

 1:   Initialize

 2:   repeat

 3:  Update by (19);

 4:  Update by (23);

 5:  Update by (24);

 6:  Update by (25);

 7:  Update ;

 8:  Update .

 9:   until a certain stopping criterion is satisfied.

 10: return .