I found this one pretty interesting in that regard. The basic gist is that learning the function that projects onto the boundary of the dataset is useful for a

I found this one pretty interesting in that regard. The basic gist is that learning the function that projects onto the boundary of the dataset is useful for a variety of (linear inverse) problems. One Network to Solve Them All --- Solving Linear Inverse Problems using Deep Projection Models https://arxiv.org/abs/1703.09912 https://arxiv.org/abs/1703.09912