Diffeomorphic Registration of Images with Variable Contrast Enhancement

Table 3

Comparison of volume change, harmonic energy, and errors in center of mass of the delineations of the vessels and tumor on a single phase.

	Original	Demons	Morphons	D-Demons	D-Morphons
Volume change (vessels) [in %]		23	0	21	0
Volume change (tumor) [in %]		6	1	6	1
Harmonic energy (vessels) [×10^−3]		89	8	69	8
Harmonic energy (tumor) [×10^−3]		39	4	34	4
Error on COM (tumor) [in mm]	2.1	1.5	1.1	1.5	1.1