Description: Salt and pepper noise is a noise, it is often seen in the image of a random white spots or black spots. Effective means to remove this noise is to use a median filter. The median filter is a nonlinear digital filter technology, often used to remove noise in the image or other signal. This design idea is to check sample the input signal and determine whether it represents a signal, use an odd number of sample observation window to achieve this functionality. In this study, first write a subroutine for the median filter 33. Picture 5.07 (a) by adding Pa, = Pb = 0.2 salt and pepper noise, and just write a good subroutine pictures by adding salt and pepper noise filtering. The results prove that median filtering is an effective means to remove the salt and pepper noise.
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saltpepper\1.jpg
..........\main.m
..........\mid_filter.m
..........\mid_filter.txt
..........\salt_pepper.m
saltpepper
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