Table 6 Analysis results.

From: Blockchain based medical image encryption using Arnold’s cat map in a cloud environment

Analysis of image encryption scheme

BCE28

HNN-IES25

Chaotic deep GAN20

Proposed model

(a)

 Information Entropy

7.902

7.914

7.980

7.9992

 NPCR

97.48

97.41

99.60

99.63

 UACI

32.63

32.79

33.20

33.21

 PSNR

28.45

28.62

27.117

6.65

 SSIM

0.089

0.87

0.018

0.0039

 Time complexity

5 images per second

2 images per second

15 images per second

32 images per second

Analysis of image encryption scheme

30

39

42

Proposed model

(b)

 Chi-square test

253.44

262.91

255.79

240.5

Analysis of image encryption scheme

31

40

41

Proposed model

(c)

 MSE

11,017.53

10,914

10,968

14,051.56