Department of Statistics and Data Science, Wharton School, University of Pennsylvania, Philadelphia, PA 19104, USA.; Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA.; Department of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA.; Department of Statistics, The Chinese University of Hong Kong, Hong Kong.
Gen Li, Yuting Wei, Yuxin Chen, Yuejie Chi
diffusion models;score-based generative modeling;non-asymptotic theory;reverse SDE;probability flow ODE;denoising diffusion probabilistic model
Towards Non-Asymptotic Convergence for Diffusion-Based Generative Models