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



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	F1		9.43		-22.4296, 249.8874, 979.9088
	F2		9.33		7.4461, 246.4694, 956.9189
	F3		9.44		-27.8117, 243.3718, 939.9348
	F4		9.76		52.2409, 180.4554, 592.1193
	F5		9.64		36.6071, 198.8425, 609.9214
	F6		9.53		-47.8071, 159.7418, 578.0587

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	F1		F2		37.85
	F1		F3		40.86
	F1		F4		400.97
	F1		F5		378.13
	F1		F6		412.62
	F2		F3		39.26
	F2		F4		373.42
	F2		F5		351.46
	F2		F6		392.57
	F3		F4		362.41
	F3		F5		339.18
	F3		F6		371.95
	F4		F5		29.99
	F4		F6		103.13
	F5		F6		98.34

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	F1		7.98		-22.9000, 249.9759, 981.0644
	F2		7.76		7.7389, 246.8184, 958.1429
	F3		7.99		-27.9352, 243.4772, 940.4536
	F4		8.26		52.8584, 180.5425, 590.6240
	F5		7.66		36.7107, 198.3348, 609.1094
	F6		8.35		-48.2270, 159.6195, 577.4676

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	F1		F2		38.39
	F1		F3		41.43
	F1		F4		403.74
	F1		F5		380.22
	F1		F6		414.36
	F2		F3		39.96
	F2		F4		376.16
	F2		F5		353.57
	F2		F6		394.52
	F3		F4		364.51
	F3		F5		340.60
	F3		F6		373.10
	F4		F5		30.32
	F4		F6		104.06
	F5		F6		98.56

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
F1		F2		-0.54 mm [-1.43 %]		0.90
F1		F3		-0.58 mm [-1.41 %]		0.61
F1		F4		-2.77 mm [-0.69 %]		0.11
F1		F5		-2.10 mm [-0.55 %]		0.06
F1		F6		-1.74 mm [-0.42 %]		0.03
F2		F3		-0.70 mm [-1.79 %]		0.71
F2		F4		-2.74 mm [-0.73 %]		0.03
F2		F5		-2.11 mm [-0.60 %]		0.11
F2		F6		-1.96 mm [-0.50 %]		0.06
F3		F4		-2.10 mm [-0.58 %]		0.07
F3		F5		-1.42 mm [-0.42 %]		0.07
F3		F6		-1.15 mm [-0.31 %]		0.04
F4		F5		-0.33 mm [-1.08 %]		1.88
F4		F6		-0.93 mm [-0.90 %]		0.57
F5		F6		-0.23 mm [-0.23 %]		0.38

Average 			1.43 mm [0.78 %]		0.38
Maximum 			2.77 mm [1.79 %]		1.88