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 …

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 …

Learning periods from incomplete multivariate time series

L Zhang, A Gorovits, W Zhang… - 2020 IEEE International …, 2020 - ieeexplore.ieee.org
Modeling and detection of seasonality in time series is essential for accurate analysis,
prediction and anomaly detection. Examples of seasonal effects at different scales abound …

An Unsupervised Approach for Periodic Source Detection in Time Series

BU Demirel, C Holz - arXiv preprint arXiv:2406.00566, 2024 - arxiv.org
Detection of periodic patterns of interest within noisy time series data plays a critical role in
various tasks, spanning from health monitoring to behavior analysis. Existing learning …

RobustPeriod: Robust time-frequency mining for multiple periodicity detection

Q Wen, K He, L Sun, Y Zhang, M Ke, H Xu - Proceedings of the 2021 …, 2021 - dl.acm.org
Periodicity detection is a crucial step in time series tasks, including monitoring and
forecasting of metrics in many areas, such as IoT applications and self-driving database …

Robust periodicity detection algorithms

S Parthasarathy, S Mehta, S Srinivasan - Proceedings of the 15th ACM …, 2006 - dl.acm.org
Periodicity detection is an important pre-processing step for many time series algorithms. It
provides important information about the structural properties of a time series. Feature …

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 …

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 …

Peri-midFormer: Periodic Pyramid Transformer for Time Series Analysis

Q Wu, G Yao, Z Feng, S Yang - arXiv preprint arXiv:2411.04554, 2024 - arxiv.org
Time series analysis finds wide applications in fields such as weather forecasting, anomaly
detection, and behavior recognition. Previous methods attempted to model temporal …

Period estimation for incomplete time series

L Zhang, P Bogdanov - 2020 IEEE 7th International …, 2020 - ieeexplore.ieee.org
Natural and human-engineered systems often exhibit periodic behavior. Examples include
the climate system, migration of animals in the wild, consumption of electricity in the power …