Subject: CMULTIS012-1
Segment: LowerLeg
Modality: Compare MRI and CT



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	T1		9.81		25.6370, 225.3222, 904.9842
	T2		9.71		-26.9332, 216.5034, 900.2646
	T3		9.58		-38.5550, 179.0334, 896.1074
	T4		9.76		-19.3656, 201.2855, 610.8226
	T5		9.78		-36.7781, 200.6278, 541.6355

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	T1		T2		53.51
	T1		T3		79.64
	T1		T4		298.55
	T1		T5		369.50
	T2		T3		39.45
	T2		T4		289.94
	T2		T5		359.12
	T3		T4		286.79
	T3		T5		355.13
	T4		T5		71.35

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	T1		8.38		25.9348, 225.5420, 906.1055
	T2		8.23		-26.8471, 216.2020, 900.6678
	T3		8.14		-38.7439, 179.1633, 896.4393
	T4		8.46		-19.5386, 201.4097, 610.0648
	T5		8.66		-36.8001, 200.4552, 540.5370

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	T1		T2		53.88
	T1		T3		80.17
	T1		T4		300.48
	T1		T5		371.76
	T2		T3		39.13
	T2		T4		291.07
	T2		T5		360.61
	T3		T4		287.88
	T3		T5		356.54
	T4		T5		71.64

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
T1		T2		-0.36 mm [-0.68 %]		0.89
T1		T3		-0.54 mm [-0.67 %]		0.55
T1		T4		-1.93 mm [-0.65 %]		0.04
T1		T5		-2.26 mm [-0.61 %]		0.04
T2		T3		0.32 mm [0.81 %]		0.59
T2		T4		-1.13 mm [-0.39 %]		0.11
T2		T5		-1.50 mm [-0.42 %]		0.03
T3		T4		-1.08 mm [-0.38 %]		0.02
T3		T5		-1.41 mm [-0.40 %]		0.07
T4		T5		-0.30 mm [-0.42 %]		0.30

Average 			1.08 mm [0.54 %]		0.26
Maximum 			2.26 mm [0.81 %]		0.89