The study of license plate character segmentation algorithm based on vetical projection

With the development of economy, more and more people can afford private cars. However, the traffic situation becomes more and more terrible because of the increase of cars in the city. To a large extent, Intelligent transport system (ITS) is proved to resolve this problem. License plate automatic recognition (LPR) is the key part of the ITS. Plate location, character segmentation and character identification are the three parts of LPR. Character segmentation is one of the important technologies of the License Plate Recognition. The paper mainly introduces the character segmentation algorithm based on vertical projection. We firstly analyses the principle of this method, and then verify the algorithm according to simulation in Matlab. The result of simulation shows that the algorithm can divide the character of plate effectively.