| A New Sharpness Measure Based on Gaussian Lines and Edges Recent countries visiting this post |  |
 | 4 | |
 | 4 | United States |
 | 1 | Korea, Republic of |
 | 1 | China |
| A New Sharpness Measure Based on Gaussian Lines and Edges Recent countries visiting this post | |
| 4 | |
| 4 | United States |
| 1 | Korea, Republic of |
| 1 | China |