functional Limitations - Recognitron - System of recognition of registration automobile licence plates

The short help information on functionality and requirements to the software and means of system of definition of automobile numbers "Recognitron"
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Recognitron

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 °)