Dec, 2023
通过辛共轭方法实现准确的导向扩散采样
Towards Accurate Guided Diffusion Sampling through Symplectic Adjoint Method
Jiachun Pan, Hanshu Yan, Jun Hao Liew, Jiashi Feng, Vincent Y. F. Tan
TL;DRSymplectic Adjoint Guidance (SAG) proposes a training-free guided sampling approach in diffusion models, improving accuracy and quality of image and video generation by estimating the clean image using multiple function calls and obtaining gradients efficiently.