Research Article
Novel Image Encryption Scheme Based on Chebyshev Polynomial and Duffing Map
Table 5
Entropy results of plain images and encrypted images.
| | File name | Plain image color | Encrypted image color | | Red | Green | Blue | Red | Green | Blue |
| | 4.1.01 | 6.42005 | 6.44568 | 6.38071 | 7.96418 | 7.96805 | 7.96648 | | 4.1.02 | 6.24989 | 5.96415 | 5.93092 | 7.96622 | 7.96734 | 7.96629 | | 4.1.03 | 5.65663 | 5.37385 | 5.71166 | 7.96606 | 7.96740 | 7.96398 | | 4.1.04 | 7.25487 | 7.27038 | 6.78250 | 7.96692 | 7.96552 | 7.96741 | | 4.1.05 | 6.43105 | 6.53893 | 6.23204 | 7.96587 | 7.96618 | 7.96776 | | 4.1.06 | 7.21044 | 7.41361 | 6.92074 | 7.96598 | 7.96697 | 7.96786 | | 4.1.07 | 5.26262 | 5.69473 | 6.54641 | 7.96392 | 7.96634 | 7.96632 | | 4.1.08 | 5.79199 | 6.21951 | 6.79864 | 7.96515 | 7.96651 | 7.96782 | | 4.2.01 | 6.94806 | 6.88446 | 6.12645 | 7.96799 | 7.96762 | 7.96848 | | 4.2.02 | 4.33719 | 6.66433 | 6.42881 | 7.96825 | 7.96838 | 7.96582 | | 4.2.03 | 7.70667 | 7.47443 | 7.75222 | 7.96999 | 7.96778 | 7.96859 | | 4.2.04 | 7.25310 | 7.59404 | 6.96843 | 7.96777 | 7.96932 | 7.96998 | | 4.2.05 | 6.71777 | 6.79898 | 6.21377 | 7.96715 | 7.96807 | 7.96883 | | 4.2.06 | 7.31239 | 7.64285 | 7.21364 | 7.96799 | 7.96749 | 7.96791 | | 4.2.07 | 7.33883 | 7.49625 | 7.05831 | 7.96864 | 7.96756 | 7.96730 | | House | 7.41527 | 7.22948 | 7.43538 | 7.96849 | 7.96825 | 7.96735 |
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