A traffic
information extraction and calculation-based method for
processing data of
license plates comprises four steps: step (1), a vehicle
license plate recognition
database is established in a computer at a background
processing center; step (2), vehicle
license plate data, the starting point and the destination of which are designated by a user is initially matched, and a vehicle
travel time testing
database is established in the computer at the background
processing center; step (3), information granules of a
route designated by the user is structured, and ambiguous
route noises in the vehicle
travel time testing
database are eliminated according to computer
operating procedures, and then a vehicle
travel time database of the designated
route is acquired; and step (4), by the computer
operating procedures, information granules of travel time are structured, and vehicle travel time noises in the vehicle travel time database are eliminated, and then precise travel time is acquired. The method can improve the accuracy of the vehicle travel
time data, has important practical value in the field of intelligent transportation, and can be widely applied to situations such as
traffic management, monitoring, law
enforcement,
electronic toll collection, and traveler information service.