DESCRIPTIONComputes the median filter of an image. A 3 x 3 neighborhood of points is sorted by value and the target point is replaced by the median value. Other rank based filters are MinFltImg, MaxFltImg, and RankFltImg. MedianFltImg is useful for removing impulse or shot noise. The median filter is discussed in:
Digital Image Processing, Gonzales, R.C., Wintz, P., Addison Wesley, Second Edition, 1987, pp 162--163.
Port: Img In
Port: Img Out
SEE ALSOMinFltImg, MaxFltImg, RankFltImg.
© The Numerical Algorithms Group Ltd, Oxford UK. 2000