Description: Butterworth low-pass (high-pass), Gaussian low-pass (high-pass), Laplacian high-pass filter on the image smoothing (sharpening) processing, and Unsharp mask highboost filtering
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File list (Check if you may need any files):
test1.pgm
test2.tif
test3_corrupt.pgm
test4 copy.bmp
test4.tif
pinghua&ruihua.m
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