Requirements for the operation of the License plate recognition XR are given in the table:
| Image tilt | 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 |
| Object images | - 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
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