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With the introduction of the one-tolling and smart-tolling, Vehicle number recognition technology of ITS imaging equipment that was used to prevent the escape and tolling evasion will play an important role in the collection system. Korea Highway Corporation will prepare a ITSK-00088 Performance Assessment to improve the license plate recognition. and there are a number of efforts to improve the accuracy of vehicle number recognition. But even if the ITS equipment had passed the performance assessment, it is in a situation which does not achieve the target value due to physical and environmental factors. we propose a method for acquiring the additional information(color, type, pattern) including plate number of the vehicle in order to improve the recognition rate of the vehicle number. Through that link the vehicle additional information, vehicle specifications DB, image analysis system, the goal is to build a system that can be identified for the misrecognized and unrecognized vehicle.
