Table 2 The physical significances of the most frequently selected features of the two level complete wavelet packet decomposition (refer to Figure 8)
Feature | Subimage | Physical Significance |
|---|---|---|
0, 16 | (0,0) | approximations of approximations (higher order approximations) |
5 | (3,0) | horizontal details of horizontal details (higher order horizontal details) |
3, 19 | (0,1) | vertical details of approximations (lower order vertical details) |
10 | (3,3) | diagonal details of diagonal details (higher order diagonal details) |