Fig. 2
From: Relationship between the Ki67 index and its area based approximation in breast cancer
Segmentation results. a ROI image containing both tumor and non-tumor nuclei. b ROI image after the removal of non-tumor nuclei. c Manual annotation of tumor positive and tumor negative nuclei in red and green, respectively. d Automatic segmentation of tumor-positive and tumor negative nuclei. The negative tumor nuclei are outlined in red while positive tumor nuclei are outlined in green