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. Author manuscript; available in PMC: 2017 Mar 31.
Published in final edited form as: Expert Rev Precis Med Drug Dev. 2016 Mar 31;1(2):207–226. doi: 10.1080/23808993.2016.1164013

Figure 6.

Figure 6

Illustration of different techniques used for spatial domain filtering (a) statistical kernel (e.g. median filter) (b) Edge kernel (e.g. Laplacian of Gaussian filter) (c) Special kernel (e.g. Fractal dimension filter). Data from59,141,170