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Table 3 Simulation data for the test image #13, 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 32.0 33.08 33.91 33.96 -0.6 0
0.2 50 71.93 29.56 30.99 31.09 -0.3 0
1.0 30 140.24 26.66 28.64 28.77 -0.6 -0.1