Fig. 2From: ki67 nuclei detection and ki67-index estimation: a novel automatic approach based on human vision modelingNuclei masks. a: sample sub-image. b: positive nuclei mask identifying pixels belonging to positive nuclei. c: round shaped regions (white) and regions left in the positive nuclei mask (gray). d: negative nuclei mask identifying pixels belonging to negative nuclei. e: round shaped regions (white) and regions left in the negative nuclei mask (gray)Back to article page