Details-preserved Skin Re-tendering UsingImproved NLEMD
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Graphical Abstract
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Abstract
The Neighborhood limited empirical mode
decomposition (NLEMD) is improved in the local mean
computation using re¯ned symmetrical extrema distribu-
tion. The images are decomposed into the IMFs using the
improved NLEMD. Then, the IMFs are ¯ltered using one
adaptive ¯lter to remove the spots making the skin look
aging. The adaptive ¯lter is based on the IMFs' local statis-
tics, which is estimated using the fast approach. The skin
re-tendering algorithm in this paper makes the skin more
tender than other approaches without losing the necessary
details of the skin.
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