MATLAB Implementation for Automatic License Plate Localization
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In this project, we develop a MATLAB program to achieve automatic license plate localization. The implementation begins with image preprocessing stages, including contrast adjustment and brightness normalization using functions like imadjust() or histeq() to enhance image quality. Subsequently, we perform vertical edge detection through algorithms such as Sobel or Prewitt operators with edge() function to identify license plate boundaries. Following this, morphological operations including dilation and erosion are applied using imdilate() and imerode() functions to refine edge information and eliminate noise. These processing stages effectively isolate the license plate region through connected component analysis with bwconncomp() and regionprops() functions. This systematic approach provides accurate license plate localization, establishing a solid foundation for subsequent optical character recognition (OCR) processes in license plate recognition systems.
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