| Algorithm | No. of images | Text line detection | |
| True detection | False detection | ||
| Smith and Kanade | 63 | 30 | 9 |
| V. Wu, Manmatha, Riseman | 48 | 4139 | 267 |
| Kim | 50 | 107 | 17 |
| Our algorithm | 303 | 285 | 18 |