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CSDI:Conditional Score-based Diffusion Models for Probabilistic Time Series Imputation

Created2024-11-25|Updated2025-04-24
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Author: ALTNT
Link: http://blog.705553939.xyz/2024/11/25/diffusion/2021-NeauralPS-CSDI/
Copyright Notice: All articles in this blog are licensed under CC BY-NC-SA 4.0 unless stating additionally.
diffusionSequence Processing
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Contents
  1. 1. CSDI: Conditional Score-based Diffusion Models for Probabilistic Time Series Imputation
    1. 1.1. 摘要
    2. 1.2. 引言
    3. 1.3. 2 相关工作
    4. 1.4. 3、背景
      1. 1.4.1. 3.1 多元时间序列插补
      2. 1.4.2. 3.2 去噪扩散概率模型
      3. 1.4.3. 3.3 扩散模型的插补
    5. 1.5. 4 条件分数扩散模型用于插补(CSDI)
      1. 1.5.1. 4.1 用 CSDI 进行插补
      2. 1.5.2. 4.2 CSDI 的训练
      3. 1.5.3. 4.3 自监督学习中插补目标的选择
    6. 1.6. 5 时间序列插补的 CSDI 实现
      1. 1.6.1. 注意力机制
      2. 1.6.2. 边信息(Side information)
    7. 1.7. 6 实验结果
      1. 1.7.1. 6.1 时间序列插补
        1. 1.7.1.1. 数据集和实验设置:
        2. 1.7.1.2. 概率插补的结果
        3. 1.7.1.3. 确定性插补的结果。
      2. 1.7.2. 6.2 不规则采样时间序列的插值
        1. 1.7.2.1. 结果:
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