The following limits are recommended:
- X-axis rotation (pitch): ± 35°
- Y-axis rotation (yaw): ± 40°
- Z-axis rotation (roll): ± 35°
| Correct tilt |  |  |  |
| Incorrect tilt |  |  |  |
If you exceed these values, the recognition accuracy can significantly reduce
- Clear, sharp, no distortion, no blurring
- Image must have minimum noise in low light conditions
- Size of license plate must be 15–70% of the total image size
- License plate must have no more than two rows of characters on it
- Optimal height of characters is 20–30 pixels