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English(EN) Autocorrelation Reintroduces Spectral Bias in KANs for Time Series Forecasting

KANs用于时间序列预测通过自相关重新引入频谱偏差

一篇新论文揭示,先前认为可以克服频谱偏差的Kolmogorov-Arnold网络(KANs),在处理时间序列数据时,由于时间自相关性,实际上会重新引入频谱偏差。研究人员发现,这种偏差随着自相关性的增加而加剧,可能阻碍KANs在时间序列预测中的表现。为了缓解这一问题,该研究提出使用离散余弦变换(DCT)对输入进行预处理,该方法在实证中显示出对低频偏好的显著降低。 AI

影响 表明标准的KANs可能难以处理时间序列数据,需要像DCT这样的预处理来提高性能。

排序理由 关于特定神经网络架构局限性及其解决方案的学术论文。

在 arXiv cs.LG 阅读 →

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KANs用于时间序列预测通过自相关重新引入频谱偏差

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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Chen Zeng, Jiahui Wang, Qiao Wang ·

    自相关在KANs中重新引入了时间序列预测的谱偏差

    arXiv:2604.23518v1 Announce Type: new Abstract: Existing theory suggests that Kolmogorov-Arnold Networks (KANs) can overcome the spectral bias commonly observed in neural networks under the assumption that inputs are statistically independent. However, this assumption does not ho…