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Table 1 Quantitative results in terms of the Entropy, MSE, and PSNR for images in Figures 8 , 9 , 10 and 11

From: Underwater image quality enhancement through composition of dual-intensity images and Rayleigh-stretching

Image

Method

Entropy

MSE

PSNR

Brown coral

Original image

6.341

-

-

 

HE

5.807

8 759

8.71

 

ICM

7.486

15 600

6.20

 

UCM

7.649

15 611

6.20

 

PDSCC

6.360

3 802

12.33

 

Proposed method

7.866

5 317

10.87

Fishes

Original image

7.341

-

-

 

HE

5.935

6 806

9.80

 

ICM

7.742

15 479

6.23

 

UCM

7.652

15 499

6.23

 

PDSCC

7.198

1 487

16.41

 

Proposed method

7.764

3 424

12.79

Jellyfish

Original image

6.218

-

-

 

HE

5.647

4 534

11.57

 

ICM

7.479

15 207

6.31

 

UCM

7.046

15 214

6.31

 

PDSCC

5.623

202

25.09

 

Proposed method

7.857

3 149

13.15

Coral leaf

Original image

6.902

-

-

 

HE

5.795

8 000

9.10

 

ICM

7.591

14 531

6.51

 

UCM

7.449

14 546

6.50

 

PDSCC

6.982

1 982

15.28

 

Proposed method

7.702

3 801

12.33

  1. Note: The values in bold typeface represent the best result obtained in the comparison.