Subject: CMULTIS005-1
Segment: UpperArm
Modality: Compare MRI and CT



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	H1		9.15		-16.6552, 230.0798, 1125.6982
	H2		9.09		12.2334, 220.3004, 1095.5369
	H3		9.11		-19.3747, 196.7306, 1096.6539
	H4		9.21		19.7438, 173.3762, 870.9205

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	H1		H2		42.89
	H1		H3		44.31
	H1		H4		263.54
	H2		H3		39.44
	H2		H4		229.59
	H3		H4		230.29

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	H1		8.12		-16.6159, 230.0807, 1126.8776
	H2		8.13		12.3372, 220.7040, 1095.7936
	H3		8.25		-19.6799, 196.6529, 1096.4162
	H4		8.15		19.9059, 173.0493, 869.7221

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	H1		H2		43.50
	H1		H3		45.33
	H1		H4		265.92
	H2		H3		40.05
	H2		H4		231.16
	H3		H4		231.33

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
H1		H2		-0.61 mm [-1.42 %]		1.07
H1		H3		-1.02 mm [-2.31 %]		1.33
H1		H4		-2.39 mm [-0.91 %]		0.06
H2		H3		-0.60 mm [-1.53 %]		0.76
H2		H4		-1.58 mm [-0.69 %]		0.10
H3		H4		-1.05 mm [-0.45 %]		0.08

Average 			1.21 mm [1.22 %]		0.57
Maximum 			2.39 mm [2.31 %]		1.33