0- 预备知识
1- DDPM
https://zhuanlan.zhihu.com/p/690392523
https://zhuanlan.zhihu.com/p/681376756
https://blog.csdn.net/CV_Autobot/article/details/139133212
【CVPR'24】扩散模型中时间区间端点奇异性 Tackling the Singularities at the Endpoints of Time Intervals in Diffusion Models