Description: Median filtering and denoising
Test principle: median filter is to field pixel gray value instead of the pixel value, to deal with impulse noise (salt and pepper noise) is very effective. To a certain point in an image processing median filtering, must first to mask the desires of the pixel and the pixel values in the field of sorting, determine the median, the main function is to make with a different point of gray looks closer to its adjacent values.
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matlab zhongzhilvbo.doc