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The following working document summarizes our work on the clustering of financial time series. It was written for a workshop on information geometry and its application for image and signal processing. This workshop brought several experts…

统计金融 · 定量金融 2016-03-28 Gautier Marti , Frank Nielsen , Philippe Donnat , Sébastien Andler

Most of state of the art methods applied on time series consist of deep learning methods that are too complex to be interpreted. This lack of interpretability is a major drawback, as several applications in the real world are critical…

Inference on time series data is a common requirement in many scientific disciplines and internet of things (IoT) applications, yet there are few resources available to domain scientists to easily, robustly, and repeatably build such…

数学软件 · 计算机科学 2016-09-16 Brett Naul , Stéfan van der Walt , Arien Crellin-Quick , Joshua S. Bloom , Fernando Pérez

In recent years, there have been unprecedented technological advances in sensor technology, and sensors have become more affordable than ever. Thus, sensor-driven data collection is increasingly becoming an attractive and practical option…

机器学习 · 计算机科学 2021-12-30 Alireza Abdoli

Multivariate time series classification is an important computational task arising in applications where data is recorded over time and over multiple channels. For example, a smartwatch can record the acceleration and orientation of a…

机器学习 · 计算机科学 2023-09-08 Davide Italo Serramazza , Thu Trang Nguyen , Thach Le Nguyen , Georgiana Ifrim

Time series modeling for predictive purpose has been an active research area of machine learning for many years. However, no sufficiently comprehensive and meanwhile substantive survey was offered so far. This survey strives to meet this…

机器学习 · 计算机科学 2021-09-28 Fatoumata Dama , Christine Sinoquet

Time-series learning is the bread and butter of data-driven *clinical decision support*, and the recent explosion in ML research has demonstrated great potential in various healthcare settings. At the same time, medical time-series problems…

机器学习 · 计算机科学 2023-10-31 Daniel Jarrett , Jinsung Yoon , Ioana Bica , Zhaozhi Qian , Ari Ercole , Mihaela van der Schaar

Understanding and distinguishing temporal patterns in time series data is essential for scientific discovery and decision-making. For example, in biomedical research, uncovering meaningful patterns in physiological signals can improve…

机器学习 · 计算机科学 2025-12-16 Yu-Chia Huang , Juntong Chen , Dongyu Liu , Kwan-Liu Ma

Counterfactual explanations emerge as a powerful approach in explainable AI, providing what-if scenarios that reveal how minimal changes to an input time series can alter the model's prediction. This work presents a survey of recent…

机器学习 · 计算机科学 2026-03-31 Udo Schlegel , Thomas Seidl

Time-frequency (TF) representations of time series are intrinsically subject to the boundary effects. As a result, the structures of signals that are highlighted by the representations are garbled when approaching the boundaries of the TF…

信号处理 · 电气工程与系统科学 2021-02-24 Adrien Meynard , Hau-Tieng Wu

Among various soft computing approaches for time series forecasting, Fuzzy Cognitive Maps (FCM) have shown remarkable results as a tool to model and analyze the dynamics of complex systems. FCM have similarities to recurrent neural networks…

人工智能 · 计算机科学 2022-01-11 Omid Orang , Petrônio Cândido de Lima e Silva , Frederico Gadelha Guimarães

The changes in brightness of an astronomical source as a function of time are key probes into that source's physics. Periodic and quasi-periodic signals are indicators of fundamental time (and length) scales in the system, while stochastic…

天体物理仪器与方法 · 物理学 2023-08-08 Matteo Bachetti , Daniela Huppenkothen

Time series modelling is essential for solving tasks such as predictive maintenance, quality control and optimisation. Deep learning is widely used for solving such problems. When managing complex manufacturing process with neural networks,…

机器学习 · 计算机科学 2020-11-17 Alexey Kurochkin

The performance of convolutional neural networks has continued to improve over the last decade. At the same time, as model complexity grows, it becomes increasingly more difficult to explain model decisions. Such explanations may be of…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Colton Crum , Patrick Tinsley , Aidan Boyd , Jacob Piland , Christopher Sweet , Timothy Kelley , Kevin Bowyer , Adam Czajka

As the demand for interpretable machine learning approaches continues to grow, there is an increasing necessity for human involvement in providing informative explanations for model decisions. This is necessary for building trust and…

机器学习 · 计算机科学 2024-10-29 Peiyu Li , Omar Bahri , Pouya Hosseinzadeh , Soukaïna Filali Boubrahimi , Shah Muhammad Hamdi

Time series analysis is used to understand and predict dynamic processes, including evolving demands in business, weather, markets, and biological rhythms. Exponential smoothing is used in all these domains to obtain simple interpretable…

机器学习 · 统计学 2017-10-02 Avner Abrami , Aleksandr Y. Aravkin , Younghun Kim

Time series prediction is a widespread and well studied problem with applications in many domains (medical, geoscience, network analysis, finance, econometry etc.). In the case of multivariate time series, the key to good performances is to…

机器学习 · 计算机科学 2022-02-09 Darko Drakulic , Jean-Marc Andreoli

Time series anomaly detection is a challenging problem due to the complex temporal dependencies and the limited label data. Although some algorithms including both traditional and deep models have been proposed, most of them mainly focus on…

机器学习 · 计算机科学 2023-03-28 Chaoli Zhang , Tian Zhou , Qingsong Wen , Liang Sun

Time series imputation remains a significant challenge across many fields due to the potentially significant variability in the type of data being modelled. Whilst traditional imputation methods often impose strong assumptions on the…

机器学习 · 统计学 2023-07-04 Tom Bamford , Elizabeth Fons , Yousef El-Laham , Svitlana Vyetrenko

Time Series Forecasting plays a crucial role in various fields such as industrial equipment maintenance, meteorology, energy consumption, traffic flow and financial investment. However, despite their considerable advantages over traditional…

机器学习 · 计算机科学 2024-07-02 Ruiqi Li , Maowei Jiang , Kai Wang , Kaiduo Feng , Quangao Liu , Yue Sun , Xiufang Zhou