Table 5 Key sensitivity analysis results.
From: A novel 4D chaotic system coupling with dual-memristors and application in image encryption
Indicator | Goldhill | Baboon | Peppers | Theoretical value |
|---|---|---|---|---|
x0 | ||||
 NPCR (%) | 99.6075 | 99.6096 | 99.6083 | 99.6094 |
 UACI (%) | 33.4654 | 33.4630 | 33.4642 | 33.4635 |
 BACI (%) | 26.7748 | 26.7721 | 26.7779 | 26.7712 |
y0 | ||||
 NPCR (%) | 99.6077 | 99.6001 | 99.6091 | 99.6094 |
 UACI (%) | 33.4622 | 33.4611 | 33.4565 | 33.4635 |
 BACI (%) | 26.7719 | 26.7744 | 26.7581 | 26.7712 |
z0 | ||||
 NPCR (%) | 99.6078 | 99.6073 | 99.6099 | 99.6094 |
 UACI (%) | 33.4599 | 33.4609 | 33.4686 | 33.4635 |
 BACI (%) | 26.7643 | 26.7763 | 26.7750 | 26.7712 |
w0 | ||||
 NPCR (%) | 99.6074 | 99.6039 | 99.6074 | 99.6094 |
 UACI (%) | 33.4598 | 33.4676 | 33.4690 | 33.4635 |
 BACI (%) | 26.7714 | 26.7749 | 26.7707 | 26.7712 |
p0 | ||||
 NPCR (%) | 99.6050 | 99.9077 | 99.6079 | 99.6094 |
 UACI (%) | 33.4685 | 34.4623 | 33.4680 | 33.4635 |
 BACI (%) | 26.7809 | 22.7763 | 26.7704 | 26.7712 |
