Figure 2. Sampling mammary gland and breast periphery regions in a craniocaudal mammogram. (a) Positioning of regions of interest (ROIs). (b) Example of ROI positioning and size selection, facilitated by gradient magnitude images.
Figure 2. Sampling mammary gland and breast periphery regions in a craniocaudal mammogram. (a) Positioning of regions of interest (ROIs). (b) Example of ROI positioning and size selection, facilitated by gradient magnitude images.