Yihao Zhang at Shanghai Jiao Tong University in China and a few pals who have created an algorithm that clones facial expressions and pastes them onto other faces. The work raises the prospect of accurately reproducing facial movements and expressions on avatars, cartoon characters and more or less any face.

https://medium.com/the-physics-arxiv-blog/algorithm-clones-facial-expressions-and-pastes-them-onto-other-faces-fc7ce49a4a4