Integrate state of the art alpha matting method
Feature request: Recent advances in deep learning yield methods that outperform existing approaches and should at the same time be very fast for interactive usage, for example: Deep Image Matting, Xu et al.
An MIT-licensed implementation exists on GitHub, that uses PyTorch, TensorFlow and OpenCV.
Since GIMP already has a python interpreter, it might be possible to integrate the method with moderate effort.