https://arxiv.org/abs/1711.08506
Based on these repos:
- https://github.com/lwchen6309/unsupervised-image-segmentation-by-WNet-with-NormalizedCut
- https://github.com/zwenaing/unsupervised-image-segmentation
Note that the latter has errors in both the data pipeline and in the implementation of W-Net, which have been corrected here.