Functional Limitations

Characteristics	Parameter
The probability of recognition of license plates clean (which meet the requirements of the Vienna Convention on Road Traffic and GOST 50577-93, GOST 3207-77)	~95%
The ability to recognize in real traffic flow	~90%
The maximum speed limit of the car in a controlled area	~150 km / h at the camera frame rate of at least 60 frames per second
The size of the plate in the frame	character height - 12-24 pixels; width of the plate - 72-144 pixels
Lighting in the license plate (if using additional light sources)	not less than 50 lux
The angle of camera: horizontal vertical	to 30° to 30°
The angle of the car number in frame	no more 10°
Permissible distance between cars	3 m (with camera angle in the vertical -30 °)
Permissible distance between trucks	7 m (with camera angle in the vertical -30 °)