Research Article
An Efficient Video Encryption Algorithm Based on the Pseudorandom Number Generator of Zipf Distribution
Table 3
with identical
and
for different video sequences.
| Video sequence | NALU 1 | NALU 2 | Zp 1 | Zp 2 | Zp 3 | Zp 4 | Zp 1 | Zp 2 | Zp 3 | Zp 4 |
| Mobile | 5 | 13436 | 148 | 22 | 1930 | 88 | 39 | 113 | Foreman | 4 | 4772 | 86 | 16 | 9 | 107 | 1 | 31 | BlowingBubbles | 4 | 8905 | 119 | 19 | 3862 | 182 | 513 | 2 | RaceHorses | 4 | 8334 | 115 | 19 | 1802 | 42 | 4755 | 207 | PartyScene | 6 | 41877 | 270 | 33 | 9 | 3311 | 161 | 283 | BasketballDrillText | 5 | 18084 | 173 | 25 | 730 | 22 | 13 | 37 | FourPeople | 5 | 10956 | 133 | 21 | 26 | 14 | 122 | - | Johnny | 5 | 14311 | 153 | 23 | 35 | 99 | 92 | 1 | ChinaSpeed | 5 | 17800 | 172 | 25 | 17 | 796 | 23 | 14 | BQTerrace | 7 | 110605 | 450 | 45 | 2 | 9198 | 71443 | 37486 | Traffic | 7 | 123685 | 477 | 47 | 7775 | 74 | 3343 | 72751 | PeopleOnStreet | 7 | 126169 | 482 | 47 | 1 | 12960 | 17 | 218843 |
|
|