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Table 10 Computational results for each δ

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

Given: γ = 1.75, σ = 5, θ = 0.57
δ N = 512, M = 256, Iter = 80 N = 1024, M = 512, Iter = 120
PSNR SSIM CPU PSNR SSIM CPU
0.03 19.1459 0.9376 296.1227 17.7976 0.9285 1155.8961
0.05 23.8391 0.9542 265.7709 20.3615 0.9289 1020.0585
0.07 27.4554 0.9676 237.0004 21.9502 0.9306 925.7105
0.15 30.1473 0.9743 202.3671 24.1919 0.9337 793.9251