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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Pattern Recognit. 2009 May 1;42(5):954–961. doi: 10.1016/j.patcog.2008.08.032

Fig. 2.

Fig. 2

Average brain images constructed from 18 normalized individual brain images by HAMMER, and by the proposed registration algorithm that took about 1/9, 1/5, or 1/3 computation time of HAMMER. The difference image between the result by HAMMER and each result by the proposed method is provided in the top row. These different images have been enhanced for better visual inspection.