Fig. 1From: Opening the black box of machine learning in radiology: can the proximity of annotated cases be a way?Breast arterial calcifications (BAC) detection by convolutional neural network (CNN). a Original image (positive to BAC presence). b Detail including the unsegmented BAC (white arrow). c Heat map provided by the CNN. d Annotated image (BAC in yellow). The heat map (c) has the reduced resolution of images input to the CNNBack to article page