Table 5 Correlation analysis of adjacent pixels for proposed cryptosystem.
From: Blockchain based medical image encryption using Arnold’s cat map in a cloud environment
Image 1 |
Cipher image 1 |
|---|---|
Correlation coefficient (horizontal wise) of cipher image 1 |
|
Correlation coefficient (diagonal wise) of cipher image 1 |
|
Correlation coefficient (vertical wise) of cipher image 1 |
|
Image 2 |
Cipher image 2 |
|---|---|
Correlation coefficient (horizontal wise) of cipher image 2 |
|
Correlation coefficient (diagonal wise) of cipher image 2 |
|
Correlation coefficient (vertical wise) of cipher image 2 |
|
