| Wavelet, active basis, and shape script: a tour in the sparse land Recent countries visiting this post |  |
 | 6 | United States |
 | 3 | China |
 | 1 |
| Wavelet, active basis, and shape script: a tour in the sparse land Recent countries visiting this post | |
| 6 | United States |
| 3 | China |
| 1 |