. Author manuscript; available in PMC: 2010 Jul 29.

Published in final edited form as: IEEE Trans Med Imaging. 2009 Sep 15;29(1):159–168. doi: 10.1109/TMI.2009.2031324

TABLE III.

Signed Border Positioning Errors (Mean ± SD)

	Cup (pixel)	Cup (mm)	Rim (pixel)	Rim (mm)
k-NN + Convex vs. Ref. standard	0.481 ± 1.932	0.014 ± 0.058	0.990 ± 2.080	0.030 ± 0.062
9-k-NN + Convex vs. Ref. standard	0.008 ± 1.904	0.000 ± 0.057	−0.062 ± 1.602	−0.002 ± 0.048
2nd observer vs. Ref. standard	2.211 ± 1.280	0.066 ± 0.038	1.728 ± 1.091	0.052 ± 0.033