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Table 8 Computational results for each γ

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

Given: σ = 5, θ = 0.57, δ = 0.17
γ N = 512, M = 256, Iter = 80 N = 1024, M = 512, Iter = 120
PSNR SSIM CPU PSNR SSIM CPU
1.75 31.9129 0.9780 175.6244 27.0498 0.9390 707.5356
1.55 31.6503 0.9775 177.3801 26.6102 0.9381 722.1810
0.65 24.2457 0.9580 193.9734 20.4814 0.9292 750.3288
0.15 9.3123 0.8814 195.3802 12.0074 0.9118 789.5196