There was one theoretical paper to enable learning more complex distributions in the encoding layer(s) while still using a factorized gaussian or similarly simp

There was one theoretical paper to enable learning more complex distributions in the encoding layer(s) while still using a factorized gaussian or similarly simple distribution to derive the learning rules [1]. This approach should, in theory, lead to generation of sharper images, although that particular paper doesn't show examples of it. [1] https://arxiv.org/abs/1505.05770 https://arxiv.org/abs/1505.05770