Figure 4From: Improvement for detection of microcalcifications through clustering algorithms and artificial neural networksa Original ROI images. b Segmentation of the ROIs using the membership matrix U into 2 groups. Final image sub-segmentation by PFCM using the typicality matrix T and threshold values of α = (c) 0.04, (d) 0.03, (e) 0.02.Back to article page