Table 2.
The mean value of the difference between the information entropy of virtual frame obtained by the four methods and APS frame.
| The Method | The Mean of Average Difference |
|---|---|
| Constant Event Number | 0.0135 |
| Constant Time Interval | 0.0459 |
| ATSLTD | 0.0335 |
| Proposed | 0.0061 |