Automatic License Plate Recognition System On The Highway

In Tolling System, the Vehicle Registration Mark Auto Identify(VRMAI) becomes hot and widely payed attention. Now it has already become a kind of compete-situation that one side the owners are looking for the perfect equipments and techniques, on the other side manufacturers and research institutes are developing and selling products actively.However, there are many different opinions how the VRMAI can effect and benefit Tolling System. But one is true that Tolling System requires the VRMAI strongly, and the market lot is very big, depending on what level it can reach. If VRMAI is only used to prevent exchange cards for embezzlement, we just improve the success ratio of number identify. Whereas not only for that, it's more important used for manage and check the free vehicles, official vehicles and the vehicles in the blacklist, this system must have the function of identify whole mark, and its ratio and rapidity must be practical.It's very difficult but must to do that we should establish a standard of identify ratio and various technique guide lines, otherwise the owners have no legal lines to choose the equipments provider and very difficultly compare the products while inviting public bidding, also manufacturers haven't to develop products.When the VRMAI technique standard established, it must take the test method into account. Because the identify success rate is a dynamic target, it related how cleanly and how standard of the mark.Of the VRMAI success rate target, whole mark success rate, miss rate, reject rate and rapidity is the essential targeto Only when these target fill the lowest demand, VRMAI can be applied in the Tolling System.Except the success rate target, equipment of the VRMAI must content and be seasoned with the locale environment,,Stability, reliability, practicability and advancability of the equipment is treated as premise if the VRMAI can be applied in the Tolling System. The develop of the capacity flash lamp in the VRMAI, whether the lane camera and VRMAI camera can be combinated as one, is very important when the VRMAI will be certainly product in Tolling Lane.It believed that, in not long time, VRMAI will be applied successfully in the Tolling System.