The engineering process for lena put Pa = Pb = 0.1 salt and pepper noise, then a 3* 3 median filtering, give the image before and after denoising.

Add SP Noise and Median Filter\1_Gray-Level Transformation\1_Gray-Level Transformation.m
..............................\...........................\lena.bmp
..............................\...........................\lena1.bmp
..............................\2_Add SP Noise and Median Filter\2_Add SP Noise and Median Filter.m
..............................\................................\lena after median filtering.bmp
..............................\................................\lena with salt and pepper noise.bmp
..............................\................................\lena.bmp
..............................\................................\MyMedfilt_3by3.m
..............................\说明文档.txt
..............................\1_Gray-Level Transformation
..............................\2_Add SP Noise and Median Filter
Add SP Noise and Median Filter

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