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Car license plate detection is a basic task in ITS. A MSER license plate detection method is proposed in the paper constrained by some priori knowledges of license plate. First the input image is pre-processed with grayscaling and gray stretching, etc, and then, the candidate MSER(Maximally Stable Extremal Region) license plate regions are chosen according to the pixel sum, the scale and length-width...
In view of complex background the license plate image which photographs under the different illumination condition, in this research, we proposes one in administrative levels fast localization method. This method use license plate geometry characteristic, textural property as well as color characteristic. Firstly we take a much more quicker interleaved method of sampling according to the gray texture...
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