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Jingru Fei

3 accepted papers

2026

Olivia: Harmonizing Time Series Foundation Models with Power Spectral Density

ICML 2026poster

Time series foundation models rely on large-scale pretraining over diverse datasets across domains, yet their heterogeneity in temporal patterns could hinder the effectiveness of training and learning transferable time series representations. Inspired a fundamental concept, normalized power spectral…

Cited by 0SourceScholar
2025

Amplifier: Bringing Attention to Neglected Low-Energy Components in Time Series Forecasting

AAAI 2025technical

We propose an energy amplification technique to address the issue that existing models easily overlook low-energy components in time series forecasting. This technique comprises an energy amplification block and an energy restoration block. The energy amplification block enhances the energy of low-e…

2024

FilterNet: Harnessing Frequency Filters for Time Series Forecasting

NeurIPS 2024poster

Given the ubiquitous presence of time series data across various domains, precise forecasting of time series holds significant importance and finds widespread real-world applications such as energy, weather, healthcare, etc. While numerous forecasters have been proposed using different network archi…