Subject: CMULTIS004-1
Segment: UpperArm
Modality: Compare MRI and CT



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	H1		9.44		-13.8811, 231.3148, 842.5373
	H2		9.45		4.4360, 223.8044, 801.6097
	H3		9.47		-31.6393, 213.6484, 809.8837
	H4		9.63		-1.8358, 168.1920, 607.8213

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	H1		H2		45.46
	H1		H3		41.15
	H1		H4		243.35
	H2		H3		38.38
	H2		H4		201.71
	H3		H4		209.25

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	H1		8.32		-13.7558, 231.5459, 843.5401
	H2		7.88		4.5457, 224.0601, 802.1195
	H3		8.10		-31.9066, 213.5464, 809.6978
	H4		8.09		-1.8035, 167.8071, 606.4946

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	H1		H2		45.90
	H1		H3		42.41
	H1		H4		245.76
	H2		H3		38.69
	H2		H4		203.65
	H3		H4		210.45

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
H1		H2		-0.43 mm [-0.95 %]		0.30
H1		H3		-1.26 mm [-3.05 %]		0.43
H1		H4		-2.40 mm [-0.99 %]		0.05
H2		H3		-0.31 mm [-0.80 %]		1.21
H2		H4		-1.94 mm [-0.96 %]		0.03
H3		H4		-1.21 mm [-0.58 %]		0.04

Average 			1.26 mm [1.22 %]		0.34
Maximum 			2.40 mm [3.05 %]		1.21