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. Author manuscript; available in PMC: 2014 Feb 26.
Published in final edited form as: Proc IEEE Conf Decis Control. 2011:2293–2298. doi: 10.1109/CDC.2011.6161453

Fig. 1.

Fig. 1

Bone tissues within one MRI slice have overlapping intensity histograms. Inhomogeneity of a particular bone tissue across MRI slices is also signficant. There is not, in general, a function to map intensity values to anatomical regions.