Fig. 4.
Some examples with moderate (row: 1-3) and poor (row: 4-5) agreement between the manual outlines and the results by the context-aware U-Net model with transfer learning. (a) the original CT image, (b) the manual outlines by the ophthalmologist, (c) the segmentations by the classical U-Net model, (d) the segmentations by the context-aware U-Net model without transfer learning, and (e) the segmentations by the context-aware U-Net model with transfer learning.