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Table 1 Simulation data for the test image #3, noise model (1), PSNR metric

From: On required accuracy of mixed noise parameter estimation for image enhancement via denoising

k σ si 2 MSEinp PSNR (δ V  = -1, δ k  = -1) PSNR (δ V  = -0, δ k  = -0) maxPSNR δ V max δ k max
0.2 10 32.66 32.99 38.64 38.65 0.3 -0.1
0.2 50 72.62 29.52 36.58 36.62 0.4 -0.7
1.0 30 144.01 26.55 34.52 34.57 1 -0.2