Privacy Information (×103 bit) | Methods | ||||
Reference [6] | Reference [7] | Reference [8] | Reference [9] | Methods (ours) | |
10 | 69 | 78 | 68 | 85 | 90 |
15 | 63 | 82 | 74 | 76 | 92 |
20 | 65 | 78 | 73 | 81 | 95 |
25 | 68 | 82 | 67 | 73 | 93 |
30 | 62 | 80 | 72 | 80 | 97 |