License recognition based on image processing

With the microprocessor as its core, the license plate automatic recognition system is a highly intelligent electronic system based on technologies such as image processing and pattern recognition. This paper focuses on the preprocessing before license plate recognition after locating the license plate. This paper comprehensively utilizes kinds of image processing, image analyzing and mode recognition technologies, drawing lessons from parts of the previous research achievements in this field and making some improvement. This paper designs and finally realizes the thinning algorithm which combines the advantages of Medial Axis Transform and Peeling Method, and Multi-state Neural Network Algorithm, which greatly increases the recognition efficiency of the system and reaches the goal of putting the system into practical use.