Table 1.
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 | 0.0150 |
| Constant Time Interval | 0.0390 |
| ATSLTD | 0.0186 |
| Proposed | 0.0064 |