Unifying the embedded system, the GPRS networking and the car license recognition technology, this article designs and realizes one kind of a embedded wireless vehicle management system which using the ARM9 microprocessor from the hardware and the software. In terms of the hardware, completed the design and connection of arm embedded system, video frequency gathering compression module and GPRS module; in terms of software, completed the system's construction of embedded linux, MPEG-4 compression and encoding programing, CGI programing design and the algorithm optimization of car license recognition module. By the way of real-time image's gathering and the car-license's recognition and transmits the obtained real-time information to the long-distance administrative center for more further processing through the GPRS module, the system can achieve the purpose of long-distance's realtime monitoring and the management of the vehicles. It can be widely applied in the area of vehicles entrance guard, parking, crossroads, public security traffic control and so on.

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