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  • Why is ancestral sampling used in autoregressive models?
    I have been reading about autoregressive models Based on what I've read, it seems to me that all autoregressive models use ancestral sampling For instance, this paper says the following in Abstra
  • diffusion model 最近在图像生成领域大红大紫，如何看待它 . . .
    在这之后，Yang Song在 Score-Based Generative Modeling through Stochastic Differential Equations 的附录中证明了，DDPM的采样过程（基于 p_\theta (x_ {t-1}|x_t) 的祖先采样（ancestral sampling））实际上等价于diffusion SDE的一阶离散化，这就统一了diffusion SDE的离散与连续。
  • Slice sampling in Particle Gibbs with Ancestral Sampling
    For sampling the hyperparameters, θ[n] θ [n] above, I am using Metropolis-Hastings or slice sampling As the sampling generally has a burn-in period, I suppose I always run the sampler for say K K iterations and take only the Kth K th sample? If this is the way to go, it seems waste of computation time
  • Jiau 的想法: [DiSR-NeRF: Diffusion-Guided View-Consistent . . .
    [DiSR-NeRF: Diffusion-Guided View-Consistent Super-Resolution NeRF]: We present DiSR-NeRF, a diffusion-guided framework for view-consistent super-resolution (SR) NeRF Unlike prior works, we circumvent the requirement for high-resolution (HR) reference images by leveraging existing powerful 2D super-resolution models Nonetheless, independent SR 2D images are often inconsistent across
  • Gaussian Mixture, sampling and interpretation - Cross Validated
    Gaussian Mixture, sampling and interpretation Ask Question Asked 9 years, 6 months ago Modified 9 years, 6 months ago
  • diffusion model的分数蒸馏采样SDS意义? - 知乎
    diffusion model的分数蒸馏采样SDS意义? 想问下，对于 score distillation sampling, 我看它的源码是拿 “估计的噪声和添加的噪声做差，然后作为gradient更新n… 显示全部 关注者 16 被浏览
  • Langevin sampling朗之万采样和Ancestral sampling原始采样 . . .
    Langevin sampling朗之万采样和Ancestral sampling原始采样有何联系？ - 知乎 机器学习 采样
  • CVMLI读书笔记 - 知乎
    以前对吉布斯采样一直很迷，今天把它弄清楚！ 问题 采样即从待推断的环境中获取样本。 对于有向图模型，可以通过原始采样法（ancestral sampling），即按照拓扑顺序采样。这样得到的每一维度都是…


















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