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Recently most license plate extraction algorithms are proposed under some certain conditions. This paper proposes a license plate extraction method that can be self-adaptive to images with various sizes under different illumination conditions. First, a morphology based image preprocess is applied for background elimination. Then we get the level clipping by a self-adaptive binary thresholding the...
License plate detection plays an important role in license plate recognition (LPR) system. If license plate can be detected exactly, the character segmentation and recognition can be implemented more precisely and efficiently. In our observation, the illumination affects the result of detecting the license plate. The aim of this paper is to extract more than one license plate from an image and to...
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