中文
相关论文

相关论文: Con4m: Context-aware Consistency Learning Framewor…

200 篇论文

Learning time-series representations when only unlabeled data or few labeled samples are available can be a challenging task. Recently, contrastive self-supervised learning has shown great improvement in extracting useful representations…

机器学习 · 计算机科学 2023-09-06 Emadeldeen Eldele , Mohamed Ragab , Zhenghua Chen , Min Wu , Chee-Keong Kwoh , Xiaoli Li , Cuntai Guan

Analyzing sequential data is crucial in many domains, particularly due to the abundance of data collected from the Internet of Things paradigm. Time series classification, the task of categorizing sequential data, has gained prominence,…

机器学习 · 计算机科学 2024-06-21 Venkata Ragavendra Vavilthota , Ranjith Ramanathan , Sathyanarayanan N. Aakur

Video semantic segmentation(VSS) has been widely employed in lots of fields, such as simultaneous localization and mapping, autonomous driving and surveillance. Its core challenge is how to leverage temporal information to achieve better…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Zhigang Cen , Ningyan Guo , Wenjing Xu , Zhiyong Feng , Danlan Huang

Learning decent representations from unlabeled time-series data with temporal dynamics is a very challenging task. In this paper, we propose an unsupervised Time-Series representation learning framework via Temporal and Contextual…

机器学习 · 计算机科学 2021-06-29 Emadeldeen Eldele , Mohamed Ragab , Zhenghua Chen , Min Wu , Chee Keong Kwoh , Xiaoli Li , Cuntai Guan

Pre-training on time series poses a unique challenge due to the potential mismatch between pre-training and target domains, such as shifts in temporal dynamics, fast-evolving trends, and long-range and short-cyclic effects, which can lead…

机器学习 · 计算机科学 2022-10-18 Xiang Zhang , Ziyuan Zhao , Theodoros Tsiligkaridis , Marinka Zitnik

We argue that time series analysis is fundamentally different in nature to either vision or natural language processing with respect to the forms of meaningful self-supervised learning tasks that can be defined. Motivated by this insight,…

机器学习 · 计算机科学 2023-12-13 Navid Mohammadi Foumani , Chang Wei Tan , Geoffrey I. Webb , Hamid Rezatofighi , Mahsa Salehi

Time series data is fundamental to decision-making across many domains including healthcare, finance, power systems, and logistics. However, analyzing this data correctly often requires incorporating unstructured contextual information,…

机器学习 · 计算机科学 2026-03-17 Felix Parker , Nimeesha Chan , Chi Zhang , Kimia Ghobadi

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

As time series data become increasingly prevalent in domains such as manufacturing, IT, and infrastructure monitoring, anomaly detection must adapt to nonstationary environments where statistical properties shift over time. Traditional…

机器学习 · 计算机科学 2025-08-12 Muyan Anna Li , Aditi Gautam

The prevalence of noisy labels in real-world datasets poses a significant impediment to the effective deployment of deep learning models. While meta-learning strategies have emerged as a promising approach for addressing this challenge,…

机器学习 · 计算机科学 2025-02-12 Mengyang Li

Time series are often complex and rich in information but sparsely labeled and therefore challenging to model. In this paper, we propose a self-supervised framework for learning generalizable representations for non-stationary time series.…

机器学习 · 计算机科学 2021-06-03 Sana Tonekaboni , Danny Eytan , Anna Goldenberg

Continual learning is a machine learning sub-field specialized in settings with non-iid data. Hence, the training data distribution is not static and drifts through time. Those drifts might cause interferences in the trained model and…

机器学习 · 计算机科学 2021-02-15 Arthur Douillard , Timothée Lesort

Semantic video segmentation is a key challenge for various applications. This paper presents a new model named Noisy-LSTM, which is trainable in an end-to-end manner, with convolutional LSTMs (ConvLSTMs) to leverage the temporal coherency…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Bowen Wang , Liangzhi Li , Yuta Nakashima , Ryo Kawasaki , Hajime Nagahara , Yasushi Yagi

To tackle the threat of fake news, the task of detecting and grounding multi-modal media manipulation DGM4 has received increasing attention. However, most state-of-the-art methods fail to explore the fine-grained consistency within local…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Yiheng Li , Yang Yang , Zichang Tan , Huan Liu , Weihua Chen , Xu Zhou , Zhen Lei

Semantic segmentation is still a challenging task for parsing diverse contexts in different scenes, thus the fixed classifier might not be able to well address varying feature distributions during testing. Different from the mainstream…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Zhuotao Tian , Jiequan Cui , Li Jiang , Xiaojuan Qi , Xin Lai , Yixin Chen , Shu Liu , Jiaya Jia

Nowadays, multivariate time series data are increasingly collected in various real world systems, e.g., power plants, wearable devices, etc. Anomaly detection and diagnosis in multivariate time series refer to identifying abnormal status in…

Multivariate time series classification (MTSC) is an important data mining task, which can be effectively solved by popular deep learning technology. Unfortunately, the existing deep learning-based methods neglect the hidden dependencies in…

机器学习 · 计算机科学 2024-08-19 Huaiyuan Liu , Xianzhang Liu , Donghua Yang , Zhiyu Liang , Hongzhi Wang , Yong Cui , Jun Gu

Cross-modal retrieval maps data under different modality via semantic relevance. Existing approaches implicitly assume that data pairs are well-aligned and ignore the widely existing annotation noise, i.e., noisy correspondence (NC).…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Shuai Lyu , Zijing Tian , Zhonghong Ou , Yifan Zhu , Xiao Zhang , Qiankun Ha , Haoran Luo , Meina Song

We describe a new semantic parsing setting that allows users to query the system using both natural language questions and actions within a graphical user interface. Multiple time series belonging to an entity of interest are stored in a…

计算与语言 · 计算机科学 2019-05-02 Charles Chen , Razvan Bunescu

Sequence labeling models often benefit from incorporating external knowledge. However, this practice introduces data heterogeneity and complicates the model with additional modules, leading to increased expenses for training a…

计算与语言 · 计算机科学 2025-06-19 Xuemei Tang , Jun Wang , Qi Su , Chu-ren Huang , Jinghang Gu