Camera alignment examples

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Correct camera alignment is essential for the Integrated Video features to work accurately. Camera misalignment affects the road-facing camera’s calibration and may trigger false events, too many events, or no events. When the camera is mounted in the correct position and the lens is angled accurately, unsafe driving behaviours are detected and videos are uploaded to Reveal.

In this article:

Camera adjustment checklist

Make sure that:

  • The vehicle is in an area with good network coverage.
  • The vehicle is parked on a flat surface with at least 25 yards (23 meters) of clear space ahead.
  • There is a horizon in sight, surrounding buildings and/or road markings parallel to the vehicle. This helps to inform accurate horizon calibration.

Examples of correct camera alignment

These images are good examples of vehicle surroundings that will help to calibrate the camera. The images show:

  • The horizon in view, and
  • Buildings and markings parallel to the vehicle.

The horizon should be close to the centre of the image (within 10% of image height as tolerance).

Examples of camera misalignment

Problem: The camera angle is not aligned with the horizon.

Solution: Check the camera angle and adjust it downwards, if needed.

Problem: The camera angle is not aligned with the horizon.

Solution: Check the camera angle and adjust it upwards, if needed.

Problem: There is not enough clear space in front of the vehicle to calibrate the camera accurately.

Solution: Move the vehicle to a different location with:

  • At least 25 yards (23 meters) of clear space ahead, and
  • The horizon in view.

Problem: The road markings are not parallel to the vehicle.

Solution: Adjust the angle of the vehicle so that the road markings are parallel to the vehicle.

Problem: The road ahead is curved; therefore the road markings are not parallel to the vehicle.

Solution: Move the vehicle to a location where:

  • The horizon is in view, and
  • Buildings and markings are parallel to the vehicle.

Helpful links

How to prevent irrelevant video events

Resolve error codes: 'Road Camera Vertically Misaligned' and 'Horizon Not In View'


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