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Optimal edge-preserving hybrid filters

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1 Author(s)
Wang, X. ; Dept. of Electron., Shandong Univ., Jinan, China

Based on the least mean square error criterion at the edge position, a new algorithm is presented to obtain a class of optimal edge-preserving hybrid filters that include the Lee (1980) additive filter and the gradient inverse weighted filter. As a result, we show that the gain of the Lee additive filter is not optimal and derive the optimal form of this filter. In addition, some examples are given

Published in:

Image Processing, IEEE Transactions on  (Volume:3 ,  Issue: 6 )