Table 1.

Differences between the boundary detection network and the end-to-end learning of subsequent boundary distance regression and pixelwise classification networks.

	Transfer learning network	Boundary distance regression network	Post processing	Pixelwise classification network	Distance loss function	Softmax loss function
Boundary Detection Network	✓	✓	✓		✓
End-to-end learning of subsequent segmentation networks	✓	✓		✓	✓	✓