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Recent advancements in video diffusion models based on Diffusion Transformers (DiTs) have achieved remarkable success in generating temporally coherent videos. Yet, a fundamental question persists: how do these models internally establish…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Jisu Nam , Soowon Son , Dahyun Chung , Jiyoung Kim , Siyoon Jin , Junhwa Hur , Seungryong Kim

Time-series forecasting plays an important role in many real-world scenarios, such as equipment life cycle forecasting, weather forecasting, and traffic flow forecasting. It can be observed from recent research that a variety of…

机器学习 · 计算机科学 2022-06-14 Benhan Li , Shengdong Du , Tianrui Li , Jie Hu , Zhen Jia

Deep clustering uncovers hidden patterns and groups in complex time series data, yet its opaque decision-making limits use in safety-critical settings. This survey offers a structured overview of explainable deep clustering for time series,…

机器学习 · 计算机科学 2025-10-21 Udo Schlegel , Gabriel Marques Tavares , Thomas Seidl

This study addresses the challenges of analyzing temporal discrepancies in large language models (LLMs) trained on data from different time periods. To facilitate the automatic exploration of these differences, we propose a novel system…

信息检索 · 计算机科学 2024-10-08 Reinhard Friedrich Fritsch , Adam Jatowt

This paper shows how a time series of measurements of an evolving system can be processed to create an inner time series that is unaffected by any instantaneous invertible, possibly nonlinear transformation of the measurements. An inner…

统计方法学 · 统计学 2017-03-28 David N. Levin

Time series are ubiquitous in many applications that involve forecasting, classification and causal inference tasks, such as healthcare, finance, audio signal processing and climate sciences. Still, large, high-quality time series datasets…

机器学习 · 计算机科学 2025-11-25 Yu-Hsiang Wang , Olgica Milenkovic

The time series classification literature has expanded rapidly over the last decade, with many new classification approaches published each year. Prior research has mostly focused on improving the accuracy and efficiency of classifiers,…

机器学习 · 计算机科学 2020-06-03 Thach Le Nguyen , Severin Gsponer , Iulia Ilie , Martin O'Reilly , Georgiana Ifrim

IoT time series analysis has found numerous applications in a wide variety of areas, ranging from health informatics to network security. Nevertheless, the complex spatial temporal dynamics and high dimensionality of IoT time series make…

机器学习 · 计算机科学 2023-02-22 Ya Liu , Yingjie Zhou , Kai Yang , Xin Wang

Time series data occurs widely, and outlier detection is a fundamental problem in data mining, which has numerous applications. Existing autoencoder-based approaches deliver state-of-the-art performance on challenging real-world data but…

机器学习 · 计算机科学 2022-04-08 Tung Kieu , Bin Yang , Chenjuan Guo , Christian S. Jensen , Yan Zhao , Feiteng Huang , Kai Zheng

Deep learning has seen increasing applications in time series in recent years. For time series anomaly detection scenarios, such as in finance, Internet of Things, data center operations, etc., time series usually show very flexible…

机器学习 · 计算机科学 2022-10-11 Cheng Ge , Xi Chen , Ming Wang , Jin Wang

With the development of Internet of Things (IoT) systems, precise long-term forecasting method is requisite for decision makers to evaluate current statuses and formulate future policies. Currently, Transformer and MLP are two paradigms for…

机器学习 · 计算机科学 2023-12-12 Li Shen , Yuning Wei , Yangzhu Wang , Hongguang Li

With the increasing application of deep learning algorithms to time series classification, especially in high-stake scenarios, the relevance of interpreting those algorithms becomes key. Although research in time series interpretability has…

机器学习 · 计算机科学 2022-08-16 Jacqueline Höllig , Cedric Kulbach , Steffen Thoma

Generative Artificial Intelligence (AI) has rapidly become a powerful tool, capable of generating various types of data, such as images and text. However, despite the significant advancement of generative AI, time series generative AI…

机器学习 · 计算机科学 2025-07-01 Jaeyun Woo , Jiseok Lee , Brian Kenji Iwana

The growth of big-data sectors such as the Internet of Things (IoT) generates enormous volumes of data. As IoT devices generate a vast volume of time-series data, the Time Series Database (TSDB) popularity has grown alongside the rise of…

数据库 · 计算机科学 2022-08-31 Bonil Shah , P. M. Jat , Kalyan Sashidhar

When deploying time series forecasting models based on machine learning to real world settings, one often encounter situations where the data distribution drifts. Such drifts expose the forecasting models to out-of-distribution (OOD) data,…

Time series imputation is one of the most challenge problems and has broad applications in various fields like health care and the Internet of Things. Existing methods mainly aim to model the temporally latent dependencies and the…

机器学习 · 计算机科学 2025-05-13 Ruichu Cai , Kaitao Zheng , Junxian Huang , Zijian Li , Zhengming Chen , Boyan Xu , Zhifeng Hao

Denoising diffusion probabilistic models (DDPMs) are becoming the leading paradigm for generative models. It has recently shown breakthroughs in audio synthesis, time series imputation and forecasting. In this paper, we propose…

机器学习 · 计算机科学 2024-10-22 Xinyu Yuan , Yan Qiao

Internet of Things (IoT) systems continuously collect heterogeneous sensing signals from ubiquitous sensors to support intelligent applications such as human activity analysis, emotion monitoring, and environmental perception. These signals…

Discovering causal relationships between different variables from time series data has been a long-standing challenge for many domains such as climate science, finance, and healthcare. Given the complexity of real-world relationships and…

机器学习 · 计算机科学 2022-10-27 Wenbo Gong , Joel Jennings , Cheng Zhang , Nick Pawlowski

Accurate time series prediction is challenging due to the inherent nonlinearity and sensitivity to initial conditions. We propose a novel approach that enhances neural network predictions through differential learning, which involves…

机器学习 · 计算机科学 2025-03-11 Akash Yadav , Eulalia Nualart