. Author manuscript; available in PMC: 2011 Jul 18.

Published in final edited form as: IEEE Trans Med Imaging. 2011 Jan 6;30(6):1184–1191. doi: 10.1109/TMI.2010.2103566

TABLE IV.

Vessel Width Measurement Accuracy OF KPIS (Success Rate IN Percentage, Mean μ, AND Standard Deviation σ IN Pixel)

Method Name	Success Rate %	Measurement		Difference
Method Name	Success Rate %	μ	σ	μ	σ
Observer 1 (O₁)	100	7.97	0.47	0.45	0.234
Observer 2 (O₂)	100	7.60	0.42	0.08	0.213
Observer 3 (O₃)	100	7.00	0.52	−0.52	0.233
Gregson’s Algorithm	100	7.29	-	−0.23	0.602
Half-height full-width (HHFW)	96.3	6.47	-	−1.05	0.389
1-D Gaussian Model-fitting	100	4.95	-	−2.57	0.399
2-D Gaussian Model-fitting	100	5.87	-	−1.65	0.337
Extraction of Segment Profiles (ESP)	100	6.56	-	−0.96	0.328
Proposed Method	99.4	6.38	0.59	−1.14	0.67