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Comparison of manual (ground truth, GT) segmentation in bright red (aorta, Ao) and bright green (pulmonary arteries, PA), vs. automatic segmentation obtained by the trained neural network (CNN) in dark red (aorta, Ao) and dark green (pulmonary arteries, PA) on a test case. Four axial slices with color fill are shown on the left. A sagittal and a coronal slices with dashed contours are shown on the right
