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English(EN) Residual spectral instabilities in representation learning

新理论解释了VAE表示学习中的谱不稳定性

研究人员开发了一个新的理论框架来理解变分自编码器(VAE)中的逐维后验坍塌。通过将负证据下界视为有效自由能,他们定义了一个高斯理论,其中Hessian矩阵代表潜在的涨落质量。这种方法将坍塌的方向识别为不变的涨落扇区,并使用条件残差算子推导出它们的质量谱。研究结果表明,当解码器方差下降到特定谱阈值以下时,局部重新激活方向可以降低自由能,这标志着一个边缘点。 AI

排序理由 该集群包含一篇详细介绍变分自编码器表示学习理论进展的研究论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新理论解释了VAE表示学习中的谱不稳定性

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该集群包含一篇详细介绍变分自编码器表示学习理论进展的研究论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Zhen Li ·

    表示学习中的残差谱不稳定性

    arXiv:2610.11257v1 Announce Type: new Abstract: Learned representations can lose latent degrees of freedom successively, suggesting a cascade of transitions whose underlying stability principle remains unclear. Here we formulate dimension-wise posterior collapse in variational au…