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Outer surface delineation, comparison between the Rician model and a Gaussian one: (a) An MPRAGE image, (b) its zoomed in view, (c) outer surface generated by CRUISE (Han et al., 2004) using the soft classification obtained using a Gaussian model (Sec. 5), (d) outer surface generated by the Rician model, (e) overlaid version of the two outer surfaces.
