License Plate Segmentation Using Horizontal and Vertical Projections
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This M-file implements license plate segmentation through horizontal and vertical projection techniques. The horizontal projection method analyzes pixel density patterns along the vertical axis to identify the upper and lower boundaries of the license plate region. The vertical projection method examines pixel distribution patterns along the horizontal axis to detect the left and right boundaries of the plate. By combining these projection approaches in a sequential algorithm, the system effectively isolates the license plate from the background image. The implementation typically involves grayscale conversion, thresholding for binarization, and projection profile analysis to locate precise boundary coordinates. This robust segmentation tool significantly improves performance in license plate recognition systems and related computer vision applications by providing accurate region-of-interest extraction.
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