Table 4 Correlation coefficient values.
From: Blockchain based medical image encryption using Arnold’s cat map in a cloud environment
Direction/color | Horizontal | Vertical | Diagonal | |
|---|---|---|---|---|
Blue | Original | 0.9776 | 0.9759 | 0.9568 |
Encrypted | 0.00007 | 0.0044 | -0.0019 | |
Green | Original | 0.9668 | 0.9688 | 0.9402 |
Encrypted | 0.0036 | -0.0006 | -0.0030 | |
Red | Original | 0.9597 | 0.9711 | 0.9365 |
Encrypted | 0.0009 | 0.0064 | -0.0027 | |
