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Table 5 Simulation data for the test image #3 and 13, noise model ( 2), PSNR metric

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

Image no. 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
3 0.01 20 171.67 25.78 33.66 33.70 0.6 0
13 0.01 20 168.90 25.85 28.02 28.10 -0.6 -0.1