OpenCV、空域滤波器（中值，均值，最大最小值...）-This code is designed for space filter

and it is derived　Digital Image Processing Matlab edition in page117

it has ArithmeticM_Filter for Arithmetic Mean Filtering

GeometricM_Filter for Geometric Mean Filtering

HarmonicM_Filter for harmonic Mean Filtering

ConHarmonicM_Filter for Contrahamonic Mean Filtering

Median_Filter for median filtering

Max_filter for maximum filtering

Min_filter for minimum filtering

MidPoint_filter for mid point filtering