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The number of pixels change rate (NPCR) performances of proposed scheme and a comparable scheme.
| Encryption Round | Proposed Scheme | NPCR of [10] |
|---|---|---|
| 1 | 97.4969 | 0.0002543 |
| 2 | 99.6085 | 0.0005086 |
| 3 | 99.5963 | 0.0005086 |
| 4 | 99.6042 | 0.0005086 |
| 5 | 99.6033 | 0.0010173 |
