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Comparison of segmentations after registration of CT template to trusted reference image sets with (a) average Hausdorff distance, (b) 95th percentile Hausdorff distance, and (c) Dice coefficient. NLD = nasolacrimal duct, EOM = extraocular muscles, f.o. = foramen ovale, f.s. = foramen spinosum, f.r. = foramen rotundum, PPF = pterygopalatine fossa, c.s. = cavernous sinus
