Car's license plate identification system based on image processing is one of the key technologies of intelligent transportation system, and it plays an important role in transporting system. Though recognition rate of license plate are above 90%, as a result of the complex environment, when the license plate are seriously blurred by some dunghill such as mud or water smoke before camera lens, it is hard to be identified. In order to get higher recognition rate of blurred license plate, it is necessary to p...