Enhancing Representation Learning for Periodic Time Series with Floss: A Frequency Domain Regularization Approach

C Yang, X Chen, L Sun, H Yang, Y Wu - arXiv preprint arXiv:2308.01011, 2023 - arxiv.org
Time series analysis is a fundamental task in various application domains, and deep
learning approaches have demonstrated remarkable performance in this area. However …

Rethinking general time series analysis from a frequency domain perspective

W Zhuang, J Fan, J Fang, W Fang, M Xia - Knowledge-Based Systems, 2024 - Elsevier
Abstract Recently, Transformers and MLPs based models have dominated and made
significant progress in time series analysis. However, these methods struggle to capture the …

Amortizedperiod: Attention-based amortized inference for periodicity identification

H Yu, C Liao, R Liu, J Li, H Yun… - The Twelfth International …, 2024 - openreview.net
Periodic patterns are a fundamental characteristic of time series in natural world, with
significant implications for a range of disciplines, from economics to cloud systems …

Fast sharpness-aware training for periodic time series classification and forecasting

J Park, H Kim, Y Choi, W Lee, J Lee - Applied Soft Computing, 2023 - Elsevier
Various deep learning architectures have been developed to capture long-term
dependencies in time series data, but challenges such as overfitting and computational time …

A survey on deep learning based time series analysis with frequency transformation

K Yi, Q Zhang, L Cao, S Wang, G Long, L Hu… - arXiv preprint arXiv …, 2023 - arxiv.org
Recently, frequency transformation (FT) has been increasingly incorporated into deep
learning models to significantly enhance state-of-the-art accuracy and efficiency in time …

Learning interpretable shapelets for time series classification through adversarial regularization

Y Wang, R Emonet, E Fromont, S Malinowski… - arXiv preprint arXiv …, 2019 - arxiv.org
Times series classification can be successfully tackled by jointly learning a shapelet-based
representation of the series in the dataset and classifying the series according to this …

Neural Fourier Modelling: A Highly Compact Approach to Time-Series Analysis

M Kim, Y Hioka, M Witbrock - arXiv preprint arXiv:2410.04703, 2024 - arxiv.org
Neural time-series analysis has traditionally focused on modeling data in the time domain,
often with some approaches incorporating equivalent Fourier domain representations as …

Periodic time series data analysis by deep learning methodology

H Zhang, H Lu, A Nayak - IEEE Access, 2020 - ieeexplore.ieee.org
The detection of periodicity in a time series is considered a challenge in many research
areas. The difficulty of period length extraction involves the varying noise levels among …

On the Regularization of Learnable Embeddings for Time Series Processing

L Butera, G De Felice, A Cini, C Alippi - arXiv preprint arXiv:2410.14630, 2024 - arxiv.org
In processing multiple time series, accounting for the individual features of each sequence
can be challenging. To address this, modern deep learning methods for time series analysis …

Periormer: Periodic Transformer for Seasonal and Irregularly Sampled Time Series

X Ren, K Zhao, K Taškova, P Riddle, L Li - Proceedings of the 33rd ACM …, 2024 - dl.acm.org
Time series prediction presents a significant challenge across various domains, such as
transportation systems, environmental science, and multiple industrial sectors. Real-world …