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. Author manuscript; available in PMC: 2018 Nov 21.
Published in final edited form as: SIAM J Sci Comput. 2017 Nov 21;39(6):B1064–B1101. doi: 10.1137/16M1070475

Fig. 3.

Fig. 3

Registration problems. Top left: UT images (synthetic problem); top right: HAND images [3, 62]; bottom left: HEART images; bottom right: BRAIN images [26]. The intensity values for these images are normalized to [0, 1]. We provide (from left to right for each set of images) the reference image mR, the template image mT, and the residual differences between these images prior to registration.