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Table 3 The convergence of Algorithm 3.1 with each θ

From: Novel forward–backward algorithms for optimization and applications to compressive sensing and image inpainting

Given: σ = 1, δ = 0.02, γ = 1.85, m = 80
γ N = 1024, M = 512 N = 2048, M = 1024
CPU Iter CPU Iter
0.15 15.6425 2203 37.4697 2045
0.25 17.8066 2195 41.1519 1950
0.75 48.5706 1818 143.6058 1896
0.95 203.4910 1428 587.1587 1530