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相关论文: Automatic Registration and Clustering of Time Seri…

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Clustering temporal and dynamically changing multivariate time series from real-world fields, called temporal clustering for short, has been a major challenge due to inherent complexities. Although several deep temporal clustering…

机器学习 · 计算机科学 2026-01-13 Zhi Wang , Yanni Li , Pingping Zheng , Yiyuan Jiao

Clustering is a core task in machine learning with wide-ranging applications in data mining and pattern recognition. However, its unsupervised nature makes it inherently challenging. Many existing clustering algorithms suffer from critical…

机器学习 · 计算机科学 2025-07-29 Ahmed Shokry , Ayman Khalafallah

Time series analysis remains a major challenge due to its sparse characteristics, high dimensionality, and inconsistent data quality. Recent advancements in transformer-based techniques have enhanced capabilities in forecasting and…

机器学习 · 计算机科学 2024-05-29 Robert Leppich , Vanessa Borst , Veronika Lesch , Samuel Kounev

Neural networks have been proposed for medical image registration by learning, with a substantial amount of training data, the optimal transformations between image pairs. These trained networks can further be optimized on a single pair of…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Zachary MC Baum , Yipeng Hu , Dean C Barratt

Time series clustering is a central machine learning task with applications in many fields. While the majority of the methods focus on real-valued time series, very few works consider series with discrete response. In this paper, the…

机器学习 · 统计学 2023-04-25 Ángel López Oriona , Christian Weiss , José Antonio Vilar

Measuring distance or similarity between time-series data is a fundamental aspect of many applications including classification, clustering, and ensembling/alignment. Existing measures may fail to capture similarities among local trends…

机器学习 · 计算机科学 2024-12-20 Ajitesh Srivastava

We introduce a simple, intuitive and yet powerful algorithm for clustering analysis. This algorithm is an iterative process on the sample space, which arises as an extension of the iteratively generated correlation matrices. It allows for…

统计方法学 · 统计学 2015-08-21 Shang-Ying Shiu , Ting-Li Chen

Time-series data classification is central to the analysis and control of autonomous systems, such as robots and self-driving cars. Temporal logic-based learning algorithms have been proposed recently as classifiers of such data. However,…

机器学习 · 计算机科学 2022-07-08 Erfan Aasi , Cristian Ioan Vasile , Mahroo Bahreinian , Calin Belta

Due to the massively increasing amount of available geospatial data and the need to present it in an understandable way, clustering this data is more important than ever. As clusters might contain a large number of objects, having a…

机器学习 · 计算机科学 2020-12-02 Milutin Brankovic , Kevin Buchin , Koen Klaren , André Nusser , Aleksandr Popov , Sampson Wong

The advent of universal time series forecasting models has revolutionized zero-shot forecasting across diverse domains, yet the critical role of data diversity in training these models remains underexplored. Existing large-scale time series…

机器学习 · 计算机科学 2025-05-28 Zezhi Shao , Yujie Li , Fei Wang , Chengqing Yu , Yisong Fu , Tangwen Qian , Bin Xu , Boyu Diao , Yongjun Xu , Xueqi Cheng

Deep time series metric learning is challenging due to the difficult trade-off between temporal invariance to nonlinear distortion and discriminative power in identifying non-matching sequences. This paper proposes a novel neural…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Shinnosuke Matsuo , Xiaomeng Wu , Gantugs Atarsaikhan , Akisato Kimura , Kunio Kashino , Brian Kenji Iwana , Seiichi Uchida

Achieving high-performance in multi-object tracking algorithms heavily relies on modeling spatio-temporal relationships during the data association stage. Mainstream approaches encompass rule-based and deep learning-based methods for…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Zhonglin Liu , Shujie Chen , Jianfeng Dong , Xun Wang , Di Zhou

This note outlines a method for clustering time series based on a statistical model in which volatility shifts at unobserved change-points. The model accommodates some classical stylized features of returns and its relation to GARCH is…

统计方法学 · 统计学 2019-06-26 Nick Whiteley

Neural networks have become a powerful tool in pattern recognition and part of their success is due to generalization from using large datasets. However, unlike other domains, time series classification datasets are often small. In order to…

机器学习 · 计算机科学 2020-04-21 Brian Kenji Iwana , Seiichi Uchida

Clustering is a fundamental tool for analyzing large data sets. A rich body of work has been devoted to designing data-stream algorithms for the relevant optimization problems such as $k$-center, $k$-median, and $k$-means. Such algorithms…

数据结构与算法 · 计算机科学 2018-12-06 Kook Jin Ahn , Graham Cormode , Sudipto Guha , Andrew McGregor , Anthony Wirth

Clustering functional data in the presence of phase variation is challenging, as temporal misalignment can obscure intrinsic shape differences and degrade clustering performance. Most existing approaches treat registration and clustering as…

机器学习 · 统计学 2026-04-30 Xinyang Xiong , Siyuan jiang , Pengcheng Zeng

The classification of time series data is a challenge common to all data-driven fields. However, there is no agreement about which are the most efficient techniques to group unlabeled time-ordered data. This is because a successful…

机器学习 · 统计学 2017-10-09 Alain Saas , Anna Guitart , África Periáñez

The data mining technique of time series clustering is well established in many fields. However, as an unsupervised learning method, it requires making choices that are nontrivially influenced by the nature of the data involved. The aim of…

计量经济学 · 经济学 2018-07-19 Iwo Augustyński , Paweł Laskoś-Grabowski

Function registration, also referred to as alignment, has been one of the fundamental problems in the field of functional data analysis. Classical registration methods such as the Fisher-Rao alignment focus on estimating optimal time…

统计方法学 · 统计学 2024-10-22 Yijia Ma , Wei Wu

Adaptive Resonance Theory (ART) is considered as an effective approach for realizing continual learning thanks to its ability to handle the plasticity-stability dilemma. In general, however, the clustering performance of ART-based…

机器学习 · 计算机科学 2022-07-08 Naoki Masuyama , Narito Amako , Yuna Yamada , Yusuke Nojima , Hisao Ishibuchi