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Table 7 Simulation data for the test image #3 and 13, noise model ( 1), all considered metrics

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

δ k , δ ν

PSNR

PSNR-HVS-M

MSSIM

MO

MM

MS

MCW

MO

MM

MS

MCW

MO

MM

MS

MCW

Image 03

 Case k = 0.2; σ si 2 = 50

  0.05

36.58

36.57

0.013

0.046

37.40

37.40

0.006

0.017

0.9841

0.9841

0.0001

0.0002

  0.10

36.55

0.045

0.160

37.38

0.030

0.103

0.9840

0.0002

0.0007

  0.15

36.52

0.103

0.364

37.37

0.059

0.207

0.9839

0.0005

0.0016

  0.20

36.49

0.158

0.557

37.34

0.091

0.328

0.9838

0.0007

0.0025

  0.25

36.41

0.244

0.900

37.29

0.142

0.534

0.9834

0.0011

0.0041

 Case k = 1.0; σ si 2 = 30

  0.05

34.53

34.52

0.020

0.065

34.67

34.67

0.004

0.018

0.9756

0.9764

0.0002

0.0005

  0.10

34.51

0.051

0.173

34.66

0.026

0.095

0.9764

0.0004

0.0012

  0.15

34.44

0.132

0.480

34.63

0.071

0.260

0.9760

0.0009

0.0031

  0.20

34.37

0.336

1.162

34.58

0.189

0.662

0.9756

0.0023

0.0077

  0.25

34.35

0.347

1.218

34.56

0.198

0.710

0.9755

0.0023

0.0079

Image 13

 Case k = 0.2; σ si 2 = 50

  0.05

31.00

31.00

0.034

0.102

35.42

35.42

0.046

0.138

0.9828

0.9828

0.0003

0.0008

  0.10

30.98

0.066

0.215

35.40

0.087

0.277

0.9827

0.0005

0.0016

  0.15

30.96

0.100

0.343

35.37

0.126

0.426

0.9825

0.0008

0.0025

  0.20

30.97

0.151

0.479

35.40

0.194

0.598

0.9827

0.0012

0.0036

  0.25

30.93

0.164

0.555

35.36

0.217

0.709

0.9825

0.0013

0.0043

 Case k = 1.0; σ si 2 = 30

  0.05

28.64

28.64

0.041

0.127

32.01

32.01

0.054

0.164

0.9713

0.9713

0.0005

0.0017

  0.10

28.64

0.080

0.246

32.01

0.101

0.308

0.9712

0.0010

0.0031

  0.15

28.61

0.109

0.356

31.98

0.137

0.443

0.9710

0.0014

0.0045

  0.20

28.62

0.143

0.450

32.00

0.185

0.563

0.9713

0.0019

0.0059

  0.25

28.55

0.241

0.810

31.93

0.299

0.975

0.9706

0.0031

0.0098