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



Sphere Fitting - CT STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	F1		9.58		-20.2085, 255.2872, -271.5770
	F2		9.61		1.5147, 243.3208, -308.5953
	F3		9.71		-44.2401, 242.4575, -300.8587
	F4		9.56		28.0031, 192.0778, -729.6980
	F5		9.63		17.2261, 209.1169, -687.4891
	F6		9.55		-58.4197, 161.3340, -700.9906

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	F1		F2		44.56
	F1		F3		39.99
	F1		F4		464.97
	F1		F5		420.14
	F1		F6		441.23
	F2		F3		46.41
	F2		F4		425.04
	F2		F5		380.76
	F2		F6		405.32
	F3		F4		437.79
	F3		F5		392.90
	F3		F6		408.52
	F4		F5		46.78
	F4		F6		96.12
	F5		F6		90.49

Sphere Fitting - MRI STL

	Marker		Radius (mm)	Coordinates [x,y,z] (mm)
	F1		8.23		-19.9811, 255.4974, -270.3439
	F2		8.47		1.3958, 243.3979, -308.2709
	F3		8.28		-44.5391, 242.5240, -299.6766
	F4		8.29		28.5251, 191.8165, -730.7017
	F5		8.19		17.2601, 209.3023, -688.5431
	F6		8.11		-58.7853, 161.0561, -701.6725

	Distances between markers
	Marker 1	Marker 2	Distance (mm)
	F1		F2		45.19
	F1		F3		40.40
	F1		F4		467.27
	F1		F5		422.39
	F1		F6		443.25
	F2		F3		46.74
	F2		F4		426.43
	F2		F5		382.13
	F2		F6		406.41
	F3		F4		440.10
	F3		F5		395.15
	F3		F6		410.42
	F4		F5		47.01
	F4		F6		97.02
	F5		F6		91.01

Differences between CT and MRI registration

Marker 1	Marker 2	Distance Diff			Angle(deg)
F1		F2		-0.63 mm [-1.41 %]		0.96
F1		F3		-0.40 mm [-1.00 %]		0.53
F1		F4		-2.30 mm [-0.49 %]		0.02
F1		F5		-2.25 mm [-0.54 %]		0.06
F1		F6		-2.02 mm [-0.46 %]		0.05
F2		F3		-0.33 mm [-0.71 %]		1.00
F2		F4		-1.40 mm [-0.33 %]		0.08
F2		F5		-1.37 mm [-0.36 %]		0.04
F2		F6		-1.08 mm [-0.27 %]		0.02
F3		F4		-2.31 mm [-0.53 %]		0.06
F3		F5		-2.24 mm [-0.57 %]		0.05
F3		F6		-1.90 mm [-0.46 %]		0.00
F4		F5		-0.23 mm [-0.50 %]		0.76
F4		F6		-0.90 mm [-0.94 %]		0.17
F5		F6		-0.52 mm [-0.58 %]		0.31

Average 			1.33 mm [0.61 %]		0.27
Maximum 			2.31 mm [1.41 %]		1.00