Table 3 Performance metrics of proposed method and existing methods.

From: A novel approach for the segmentation of retinal images by integration K-means clustering algorithm with graph cut for image segmentation

Image segmentation technique

PSNR

SSIM

I-SECRET17

24.57

0.854

Cofe-Net18

17.26

0.789

ESRGAN19

26.73

0.823

RFormer20

28.32

0.873

MST21

28.13

0.854

Bicubic + RL22

25.34

0.824

GLCAE23

21.37

0.57

RealSR24

27.99

0.85

Deep multi-task learning25

39.7

0.892

Joint learning of multi-level tasks26

39.9

0.883

Proposed method

40.84

0.92