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Table 2 Objective performance evaluation using PSNR and SSIM values with σ=10

From: Low-light image restoration using bright channel prior-based variational Retinex model

 

[2]

[3]

[8]

[23]

[14]

[16]

Proposed

 

PSNR

SSIM

PSNR

SSIM

PSNR

SSIM

PSNR

SSIM

PSNR

SSIM

PSNR

SSIM

PSNR

SSIM

Figure 4 a

13.67

0.489

15.30

0.548

14.45

0.554

20.03

0.871

14.85

0.585

17.59

0.711

21.44

0.935

Figure 4 b

14.52

0.486

16.59

0.557

15.72

0.567

19.04

0.775

15.52

0.546

17.12

0.623

22.02

0.880

Figure 4 c

14.50

0.448

17.47

0.523

16.12

0.500

19.06

0.664

16.10

0.479

17.21

0.539

21.65

0.758

Figure 4 d

14.83

0.596

16.17

0.629

15.76

0.650

19.12

0.818

14.83

0.599

17.72

0.733

23.33

0.911

Figure 4 e

15.49

0.523

17.60

0.571

14.97

0.538

17.58

0.609

14.88

0.456

17.26

0.585

22.38

0.829

Figure 4 f

14.31

0.396

17.48

0.496

15.27

0.423

19.73

0.667

15.65

0.426

17.26

0.500

23.05

0.806

  1. The italicized number represents the highest value among the set of test methods