Research of median filter technology
LIU Li mei 1, SUN Yu rong 2, LI Li 1 (1.Yunnan Normal University, Kunming 650092,China;2.Zhuzhou Teachers’ College, Zhuzhou 412007,China)
Median filter technology is a non-linear technology that can preserve image edge while removing noise. It is used in many fields widely, e.g. image enhancing and restoration . By researching of the median filter and related advanced technic, The paper amplify upon the median filter technology generally, also show some experiments as a result.