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. Author manuscript; available in PMC: 2009 Jul 9.
Published in final edited form as: Neuroimage. 2007 Jan 4;35(1):166–174. doi: 10.1016/j.neuroimage.2006.10.040

Figure 1.

Figure 1

(a) Sagittal corpus callosum region of interest by 5 raters using a conventional hand-drawn technique by outlining the structure with a mouse. Significantly reduced inter-operator variability occurs when using (b) ROQS for the same ROI. In this case, the user simply has to select one or more seed pixels within the desired structure.