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Theory and Modern Applications

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