Image

Th

Kmeans

GWO_Kmeans

SSA_Kmeans

IGWO_Kmeans

Image1

PSNR

47.4672

50.6255

50.7019

54.8024

SSIM

0.8461

0.9367

0.9348

0.9710

FSIM

0.8879

0.9456

0.9574

0.9661

Image2

PSNR

49.6232

50.4530

54.8963

50.3691

SSIM

0.8383

0.9486

0.9324

0.9725

FSIM

0.8906

0.9525

0.9646

0.9653

Image3

PSNR

48.6209

51.2975

51.5929

53.5768

SSIM

0.8621

0.9459

0.9662

0.9651

FSIM

0.8697

0.9552

0.9523

0.9623

Image4

PSNR

47.3548

49.8529

51.8586

55.4496

SSIM

0.8822

0.9402

0.9228

0.9755

FSIM

0.8304

0.9457

0.9614

0.9728