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Many real-world applications involve data from multiple modalities and thus exhibit the view heterogeneity. For example, user modeling on social media might leverage both the topology of the underlying social network and the content of the…

机器学习 · 计算机科学 2021-02-16 Lecheng Zheng , Yu Cheng , Hongxia Yang , Nan Cao , Jingrui He

Most existing Time series classification (TSC) models lack interpretability and are difficult to inspect. Interpretable machine learning models can aid in discovering patterns in data as well as give easy-to-understand insights to domain…

机器学习 · 计算机科学 2022-09-20 Ruixuan Yan , Tengfei Ma , Achille Fokoue , Maria Chang , Agung Julius

The ability to detect anomalies in time series is considered highly valuable in numerous application domains. The sequential nature of time series objects is responsible for an additional feature complexity, ultimately requiring specialized…

机器学习 · 计算机科学 2021-03-01 Gabriel Rodriguez Garcia , Gabriel Michau , Mélanie Ducoffe , Jayant Sen Gupta , Olga Fink

In this paper, we propose a novel multi-view clustering model, named Dual-space Co-training Large-scale Multi-view Clustering (DSCMC). The main objective of our approach is to enhance the clustering performance by leveraging co-training in…

机器学习 · 计算机科学 2024-01-30 Zisen Kong , Zhiqiang Fu , Dongxia Chang , Yiming Wang , Yao Zhao

Time series classification is an important analytical task across diverse domains. However, its practical application is often hindered by the scarcity of labeled data and the requirement for substantial computational resources. To address…

机器学习 · 计算机科学 2026-04-29 Xuanhao Yang , Bing Xue , Mengjie Zhang

$t$-SNE is an embedding method that the data science community has widely Two interesting characteristics of t-SNE are the structure preservation property and the answer to the crowding problem, where all neighbors in high dimensional space…

机器学习 · 计算机科学 2021-09-23 Gaëlle Candel , David Naccache

An emerging challenge in the online classification of social media data streams is to keep the categories used for classification up-to-date. In this paper, we propose an innovative framework based on an Expert-Machine-Crowd (EMC) triad to…

计算与语言 · 计算机科学 2016-10-07 Muhammad Imran , Sanjay Chawla , Carlos Castillo

Analyzing time series data is crucial to a wide spectrum of applications, including economics, online marketplaces, and human healthcare. In particular, time series classification plays an indispensable role in segmenting different phases…

机器学习 · 计算机科学 2025-05-12 Xiwen Chen , Wenhui Zhu , Peijie Qiu , Hao Wang , Huayu Li , Zihan Li , Yalin Wang , Aristeidis Sotiras , Abolfazl Razi

The rapid proliferation of video in applications such as autonomous driving, surveillance, and sports analytics necessitates robust methods for dynamic scene understanding. Despite advances in static scene graph generation and early…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Trong-Thuan Nguyen , Pha Nguyen , Jackson Cothren , Alper Yilmaz , Minh-Triet Tran , Khoa Luu

This paper presents a simple unsupervised visual representation learning method with a pretext task of discriminating all images in a dataset using a parametric, instance-level classifier. The overall framework is a replica of a supervised…

计算机视觉与模式识别 · 计算机科学 2021-02-10 Yu Liu , Lianghua Huang , Pan Pan , Bin Wang , Yinghui Xu , Rong Jin

Time Series Motif Discovery (TSMD) refers to the task of identifying patterns that occur multiple times (possibly with minor variations) in a time series. All existing methods for TSMD have one or more of the following limitations: they…

机器学习 · 计算机科学 2023-11-30 Daan Van Wesenbeeck , Aras Yurtman , Wannes Meert , Hendrik Blockeel

We present the WoodScape fisheye semantic segmentation challenge for autonomous driving which was held as part of the CVPR 2021 Workshop on Omnidirectional Computer Vision (OmniCV). This challenge is one of the first opportunities for the…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Saravanabalagi Ramachandran , Ganesh Sistu , John McDonald , Senthil Yogamani

This paper aims to tackle the challenging problem of one-shot object detection. Given a query image patch whose class label is not included in the training data, the goal of the task is to detect all instances of the same class in a target…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Ting-I Hsieh , Yi-Chen Lo , Hwann-Tzong Chen , Tyng-Luh Liu

In the past few years co-clustering has emerged as an important data mining tool for two way data analysis. Co-clustering is more advantageous over traditional one dimensional clustering in many ways such as, ability to find highly…

机器学习 · 计算机科学 2014-12-02 Chandrima Sarkar , Jaideep Srivastava

Using bag of words representations of time series is a popular approach to time series classification. These algorithms involve approximating and discretising windows over a series to form words, then forming a count of words over a given…

机器学习 · 计算机科学 2021-05-11 Matthew Middlehurst , James Large , Gavin Cawley , Anthony Bagnall

The process of collecting and organizing sets of observations represents a common theme throughout the history of science. However, despite the ubiquity of scientists measuring, recording, and analyzing the dynamics of different processes,…

数据分析、统计与概率 · 物理学 2013-05-23 Ben D. Fulcher , Max A. Little , Nick S. Jones

Earth observation (EO) satellites produce massive streams of multispectral image time series, posing pressing challenges for storage and transmission. Yet, learned EO compression remains fragmented and lacks publicly available, large-scale…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Julen Costa-Watanabe , Isabelle Wittmann , Benedikt Blumenstiel , Konrad Schindler

Person re-identification aims to maintain the identity of an individual in diverse locations through different non-overlapping camera views. The problem is fundamentally challenging due to appearance variations resulting from differing…

计算机视觉与模式识别 · 计算机科学 2014-10-27 Ziming Zhang , Yuting Chen , Venkatesh Saligrama

Time Series Classification (TSC) has been an important and challenging task in data mining, especially on multivariate time series and multi-view time series data sets. Meanwhile, transfer learning has been widely applied in computer vision…

机器学习 · 计算机科学 2019-10-18 Donglin Zhan , Shiyu Yi , Dongli Xu , Xiao Yu , Denglin Jiang , Siqi Yu , Haoting Zhang , Wenfang Shangguan , Weihua Zhang

In the era of rapidly increasing amounts of time series data, classification of variable objects has become the main objective of time-domain astronomy. Classification of irregularly sampled time series is particularly difficult because the…

天体物理仪器与方法 · 物理学 2015-05-21 Sven Dennis Kügler , Nikos Gianniotis , Kai Lars Polsterer