FreIE: Low-Frequency Spectral Bias in Neural Networks for Time-Series Tasks

arXiv — cs.LGFriday, October 31, 2025 at 4:00:00 AM
A recent study highlights the challenges of predicting multivariate time series data due to its inherent autocorrelation. Researchers have noted a phenomenon called spectral bias in neural networks, where these models prioritize fitting low-frequency signals over high-frequency ones. This insight is significant as it could influence how future models are developed for long-term prediction tasks, potentially improving their accuracy and reliability.
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