Table 7 PCC values computed for plain and encrypted images in three directions: horizontal (H), diagonal (D), and vertical (V).
From: A chaos-based augmented image encryption scheme for satellite images using Fredkin logic
Image | Plain Images (PCC) | Encrypted Images (PCC) | ||||
|---|---|---|---|---|---|---|
H | D | V | H | D | V | |
Satellite Image 1 | 0.888321 | 0.904528 | 0.904423 | \(-0.005642\) | \(-0.005415\) | 0.003279 |
Satellite Image 2 | 0.929822 | 0.84726 | 0.898305 | 0.000495 | 0.00331 | \(-0.0006066\) |
Satellite Image 3 | 0.941106 | 0.876438 | 0.928785 | \(-0.005468\) | 0.002015 | 0.006614 |
Mandrill | 0.848778 | 0.750624 | 0.79088 | \(-0.003545\) | \(-0.004939\) | 0.001899 |
Peppers | 0.959422 | 0.930426 | 0.966795 | \(-0.00564\) | \(-0.003348\) | \(-0.00681\) |
Average | 0.9134898 | 0.8618552 | 0.8978376 | \(-0.003960\) | \(-0.001675\) | 0.000874 |