Research Article
Securing Digital Images through Simple Permutation-Substitution Mechanism in Cloud-Based Smart City Environment
Table 7
values of the experimented color images.
| | Image | Chi-square value | Result | | R | G | B |
| | Sailboat | 196697.306 | 130154.716 | 344571.537 | Nonuniform | | Airplane | 678424.492 | 682495.382 | 1107858.005 | Nonuniform | | Peppers | 213187.216 | 318382.929 | 491428.177 | Nonuniform | | Enc-sailboat | 215.636 | 243.337 | 232.412 | Uniform | | Enc-airplane | 204.193 | 269.281 | 287.061 | Uniform | | Enc-peppers | 235.867 | 251.417 | 239.181 | Uniform |
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