Subject: CMULTIS008-1
Segment: LowerLeg
Modality: Compare MRI and CT



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	T1		9.66		15.4966, 216.4902, -761.9630
	T2		9.69		-28.6311, 208.1073, -789.6503
	T3		9.32		-48.2013, 159.5625, -768.4843
	T4		9.71		0.1578, 215.2467, -974.5326
	T5		9.57		2.0538, 223.0972, -1140.4547
	T6		9.76		-22.9295, 183.2532, -1139.2717

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	T1		T2		52.76
	T1		T3		85.68
	T1		T4		213.13
	T1		T5		378.79
	T1		T6		380.71
	T2		T3		56.46
	T2		T4		187.25
	T2		T5		352.46
	T2		T6		350.55
	T3		T4		218.85
	T3		T5		380.69
	T3		T6		372.40
	T4		T5		166.12
	T4		T6		169.40
	T5		T6		47.04

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	T1		8.29		15.6097, 216.6346, -760.8959
	T2		8.09		-28.7824, 208.1895, -789.2185
	T3		8.28		-48.3040, 159.3244, -767.9900
	T4		8.33		0.4256, 215.2011, -974.7527
	T5		8.52		2.0449, 223.1211, -1141.4593
	T6		8.30		-23.0476, 183.2863, -1140.0401

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	T1		T2		53.33
	T1		T3		86.14
	T1		T4		214.40
	T1		T5		380.86
	T1		T6		382.57
	T2		T3		56.74
	T2		T4		187.95
	T2		T5		353.90
	T2		T6		351.75
	T3		T4		219.65
	T3		T5		382.21
	T3		T6		373.68
	T4		T5		166.90
	T4		T6		169.97
	T5		T6		47.10

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
T1		T2		-0.57 mm [-1.07 %]		0.43
T1		T3		-0.46 mm [-0.54 %]		0.37
T1		T4		-1.27 mm [-0.60 %]		0.08
T1		T5		-2.07 mm [-0.55 %]		0.02
T1		T6		-1.85 mm [-0.49 %]		0.01
T2		T3		-0.28 mm [-0.50 %]		0.17
T2		T4		-0.70 mm [-0.38 %]		0.11
T2		T5		-1.44 mm [-0.41 %]		0.02
T2		T6		-1.20 mm [-0.34 %]		0.01
T3		T4		-0.80 mm [-0.37 %]		0.05
T3		T5		-1.52 mm [-0.40 %]		0.02
T3		T6		-1.27 mm [-0.34 %]		0.03
T4		T5		-0.78 mm [-0.47 %]		0.10
T4		T6		-0.57 mm [-0.34 %]		0.12
T5		T6		-0.06 mm [-0.12 %]		0.31

Average 			0.99 mm [0.46 %]		0.12
Maximum 			2.07 mm [1.07 %]		0.43