Gabriel Nobis, Marco Aversa, Maximilian Springenberg, Michael Detzel, Stefano Ermon...
TL;DR我们首次尝试在具有无限二次变差的随机过程上建立一个生成模型。
Abstract
We generalize the continuous time framework for score-based generative models from an underlying Brownian motion (BM) to an approximation of fractional brownian motion (FBM). We derive a continuous reparameteriza