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An Improved Plate Recognition Method Based on Template Matching

This paper proposed an improved template matching method for fouled license plate recognition. Designed for smeared license plates and blurred license plate recognition, this method matches license plate with given improved template to recognize characters. By utilizing the information obtained in the process of license plate location and character segmentation, the feedback will contribute to the process of license plate recognition. By enlarging the difference value between characters in template and plate the match degrees can be compared, which could help determine the result of character recognition. The improved template matching method improve the accuracy of dirty license plate recognition and can be employed to identify license plate characters. Experimental results showed that this method offers strong environmental adaptability and robustness.