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



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	F1		9.45		-16.1893, 233.9727, 219.2494
	F2		9.61		-16.6370, 235.5239, 259.1085
	F3		9.43		25.5526, 242.1326, 247.5980
	F4		9.60		-51.5228, 210.1775, 612.0497
	F5		9.61		-43.5011, 198.3435, 579.6557

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	F1		F2		39.89
	F1		F3		51.11
	F1		F4		395.10
	F1		F5		363.19
	F2		F3		44.23
	F2		F4		355.57
	F2		F5		323.81
	F3		F4		373.88
	F3		F5		341.98
	F4		F5		35.41

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	F1		8.10		-16.1157, 234.1822, 218.1865
	F2		8.29		-16.6131, 235.5996, 258.4925
	F3		8.03		25.8189, 242.1152, 246.3513
	F4		7.89		-52.0334, 209.8566, 612.9799
	F5		8.00		-43.3541, 198.3967, 581.6510

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	F1		F2		40.33
	F1		F3		51.13
	F1		F4		397.17
	F1		F5		366.24
	F2		F3		44.61
	F2		F4		357.18
	F2		F5		326.39
	F3		F4		376.19
	F3		F5		345.14
	F4		F5		34.47

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
F1		F2		-0.44 mm [-1.11 %]		0.22
F1		F3		-0.02 mm [-0.04 %]		0.39
F1		F4		-2.07 mm [-0.52 %]		0.08
F1		F5		-3.04 mm [-0.84 %]		0.05
F2		F3		-0.39 mm [-0.87 %]		0.73
F2		F4		-1.62 mm [-0.45 %]		0.08
F2		F5		-2.58 mm [-0.80 %]		0.08
F3		F4		-2.31 mm [-0.62 %]		0.05
F3		F5		-3.16 mm [-0.93 %]		0.12
F4		F5		0.94 mm [2.65 %]		1.49

Average 			1.66 mm [0.88 %]		0.33
Maximum 			3.16 mm [2.65 %]		1.49