https://yiwen-cai.github.io/tags/%E7%94%9F%E6%88%90%E6%A8%A1%E5%9E%8B/Recent content in 生成模型 on Yiwen CaiHugo -- gohugo.iozh-cncaiyiwen.cs@foxmail.com (Yiwen Cai)caiyiwen.cs@foxmail.com (Yiwen Cai)© 2026 Yiwen CaiFri, 11 Sep 2026 17:20:09 +0800https://yiwen-cai.github.io/notes/diffusion/score-based-diffusion/Fri, 11 Sep 2026 00:00:00 +0000caiyiwen.cs@foxmail.com (Yiwen Cai)https://yiwen-cai.github.io/notes/diffusion/score-based-diffusion/从条件 score 的后验平均出发，推导高斯路径下 score、去噪器与速度场的转换，用 Fokker–Planck 方程解释如何给 ODE 加噪而保持边缘分布，并将 score matching 化为噪声回归。https://yiwen-cai.github.io/notes/diffusion/flow-matching/Wed, 02 Sep 2026 00:00:00 +0000caiyiwen.cs@foxmail.com (Yiwen Cai)https://yiwen-cai.github.io/notes/diffusion/flow-matching/Flow Matching 通过回归可解析的条件向量场，间接学到边缘向量场，实现 simulation-free 训练。涵盖条件概率路径、边缘化技巧、连续性方程与 Gaussian CondOT 的完整推导。