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Table 9 Significance of the difference between Pearson correlation coefficients on Ajagamelle database

From: Multi-level contrast filtering in image difference metrics

Metric

PSNR

PSNR-HVS-M

S-CIELAB

SSIM

VSNR

WLF-DEE-C I

WLF-DEE-C J

WLF-DEE-C K

WLF-DEE-C L

WLF-DEE-C M

WLF-DEE-C N

WLF-DEE-C O

WLF-DEE-C P

PSNR

-

            

PSNR-HVS-M

0.29

-

           

S-CIELAB

0.09

-0.20

-

          

SSIM

2.08a

1.79

1.99a

-

         

VSNR

4.96a

4.67a

4.87a

2.88a

-

        

WLF-DEE-C I

1.96

1.67

1.87

-0.12

-3.00a

-

       

WLF-DEE-C J

2.28a

1.99a

2.19a

0.20

-2.68a

0.32

-

      

WLF-DEE-C K

2.47a

2.18a

2.38a

0.39

-2.49a

0.51

0.20

-

     

WLF-DEE-C L

2.01a

1.73

1.93

-0.07

-2.95a

0.06

-0.26

-0.46

-

    

WLF-DEE-C M

5.11a

4.83a

5.02a

3.03a

0.15

3.16a

2.84a

2.64a

3.10a

-

   

WLF-DEE-C N

5.46a

5.17a

5.37a

3.38a

0.50

3.50a

3.18a

2.99a

3.44a

0.35

-

  

WLF-DEE-C O

4.51a

4.23a

4.42a

2.43a

-0.45

2.56a

2.24a

2.04a

2.50a

-0.60

-0.95

-

 

WLF-DEE-C P

4.76a

4.48a

4.67a

2.68a

-0.20

2.81a

2.49a

2.29a

2.75a

-0.35

-0.70

0.25

-

  1. aSignificantly different at 5% significance level (1.96).