Table 10 Full-reference image quality assessment results on the LOL-v2 dataset. Best performance per metric is highlighted in bold.

From: A multi scale spatial attention based zero shot learning framework for low light image enhancement

Metric

Paired supervision

Unsupervised

Zero-shot learning

Ours

BIMEF

LIME

MF

MSR

EnlightenGAN

SG-ZSL

Zero-DCE

Zero-DCE++

PSNR (\(\uparrow\))

18.46

16.15

20.12

12.18

19.42

19.31

18.63

18.06

21.25

SSIM (\(\uparrow\))

0.82

0.71

0.83

0.63

0.82

0.84

0.83

0.64

0.84

FSIM (\(\uparrow\))

0.94

0.80

0.90

0.77

0.92

0.94

0.89

0.85

0.95

VSI (\(\uparrow\))

0.98

0.93

0.97

0.91

0.97

0.98

0.96

0.95

0.98

LPIPS (\(\downarrow\))

0.14

0.24

0.20

0.27

0.14

0.15

0.20

0.17

0.11

DISTS (\(\downarrow\))

0.15

0.19

0.16

0.19

0.13

0.14

0.16

0.15

0.13

MAD (\(\downarrow\))

112.64

160.03

133.89

166.87

115.56

115.57

134.12

129.07

112.57