. Author manuscript; available in PMC: 2017 Oct 1.

Published in final edited form as: Med Image Comput Comput Assist Interv. 2016 Oct 2;9902:1–9. doi: 10.1007/978-3-319-46726-9_1

Table 2.

Comparison of mean SASD(mm) and HAUS(mm) values (with standard deviation of total 20 subjects) of three pelvic organs after non-rigid registration based on single-directional image synthesis and our proposed bi-directional image synthesis under 3-iter DDF.

Metric	Method	Single-directional		Bi-directional
Metric	Method	CT & S-CT	S-MRI & MRI	Proposed
SASD	D. Demons	1.3 ± 0.7	1.7 ± 0.8	1.0 ± 0.6
SASD	ANTs-SyN	1.4 ± 0.8	1.3 ± 0.7	1.1 ± 0.7
HAUS	D. Demons	8.9 ± 2.7	8.6 ± 3.0	6.7 ± 2.3
HAUS	ANTs-SyN	7.6 ± 2.7	7.2 ± 2.0	6.7 ± 1.9