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. Author manuscript; available in PMC: 2009 Jun 23.
Published in final edited form as: Acad Radiol. 2007 Jul;14(7):772–787. doi: 10.1016/j.acra.2007.03.009

Fig. 4.

Fig. 4

Creation of canonical signature. Top plot: Accumulated signatures from training set. Bottom plot: Canonical signatures computed by re-clustering the top plot using various amounts of training data.