. Author manuscript; available in PMC: 2014 Apr 1.

Published in final edited form as: IEEE Trans Med Imaging. 2013 Jul 3;32(10):1939–1951. doi: 10.1109/TMI.2013.2269814

TABLE I.

Model selection experiment results. In each row, the data for the experiment was generated by the type of intensity model shown. Each column shows the registration error (RMS) obtained when using that model in the column for the model-based similarity measure (best values are highlighted).

	constant	linear	quadratic	logistic
constant	0.04	0.04	0.04	0.04
linear	0.68	0.07	0.07	0.13
quadratic	0.60	0.10	0.05	0.16
logistic (unsaturated)	1.63	0.10	0.09	0.12
logistic (saturated)	2.36	0.16	0.16	0.12