| Text-Line Extraction Using a Convolution of Isotropic Gaussian Filter with a Set of Line Filters Recent countries visiting this post |  |
 | 4 | United States |
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| Text-Line Extraction Using a Convolution of Isotropic Gaussian Filter with a Set of Line Filters Recent countries visiting this post | |
| 4 | United States |
| 3 | |
| 1 | Germany |