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Table 7 Computational results for each σ

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

Given: γ = 1.75, θ = 0.57, δ = 0.17
σ N = 512, M = 256, Iter = 80 N = 1024, M = 512, Iter = 120
PSNR SSIM CPU PSNR SSIM CPU
1.5 31.8628 0.9777 231.7521 26.9550 0.9388 911.3357
1 31.8185 0.9778 105.0579 27.0448 0.930 390.0906
0.1 26.3606 0.9644 29.3329 20.6162 0.9292 118.4001
0.01 5.7995 0.6534 29.2479 7.9950 0.8156 119.6576