| Electronic Reading Pen: A DSP Based Portable Device for Offline OCR and Bi-linguistic Translation Recent countries visiting this post |  |
 | 8 | United States |
 | 3 | China |
 | 1 |
| Electronic Reading Pen: A DSP Based Portable Device for Offline OCR and Bi-linguistic Translation Recent countries visiting this post | |
| 8 | United States |
| 3 | China |
| 1 |