To ensure the proper recognition of license plate numbers using the Auto-Intellect system, the angle between the camera axis and the direction of the vehicle movement is to be minimal.

The camera is to be installed on the optimal distance from the plate. If the camera is too far from the plate, the characters may not be large enough for recognizing them. In this case zoom-in until you reach the proper size. If the distance is too short  it may happen that a part of the plate is over the camera's field of view.

For recognition it is necessary to make sure that frames with number plates fulfill the following characteristics:

The following conditions may cause invalid results of LP recognition: