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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