Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Information entropy of plain and encrypted images.
| Image | Plain Image | Encrypted Image | ||||
|---|---|---|---|---|---|---|
| R | G | B | R | G | B | |
| Lena | 7.1655 | 7.5578 | 6.8571 | 7.9974 | 7.9976 | 7.9975 |
| Pepper | 7.3009 | 7.5570 | 7.0929 | 7.9974 | 7.9973 | 7.9972 |
| Baboon | 7.6987 | 7.4251 | 7.5809 | 7.9970 | 7.9970 | 7.9971 |
| All black | 0.0000 | 0.0000 | 0.0000 | 7.9971 | 7.9971 | 7.9972 |
| All white | 0.0000 | 0.0000 | 0.0000 | 7.9974 | 7.9973 | 7.9970 |
