
从 ELBO、重参数化技巧与 AEVB 算法出发,读懂 VAE 如何把不可解的连续潜变量后验变成可用小批量随机梯度训练的问题,并用原论文实验与 IWAE、β-VAE 分清它的能力边界。
x -> q_phi(z|x) -> z -> p_theta(x|z) -> x 的概率
输出 mu,sigma 采样 解码
arxiv.org
arxiv.org
arxiv.org
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