MATLAB Implementation of Global Threshold Segmentation Techniques
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This article explores global threshold segmentation methods including the iterative approach and Otsu's method for image processing. Additionally, local threshold segmentation techniques are discussed for advanced image segmentation tasks. The iterative method implementation involves progressively refining the threshold value by calculating the mean of foreground and background pixel intensities until convergence. Otsu's method automatically determines the optimal threshold by maximizing inter-class variance between foreground and background regions. For local thresholding, the image is divided into smaller regions where adaptive thresholds are calculated based on local statistical properties, making it effective for images with uneven illumination.
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