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相关论文: PatchFormer: A Patch-Based Time Series Foundation …

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Time series forecasting with limited data is a challenging yet critical task. While transformers have achieved outstanding performances in time series forecasting, they often require many training samples due to the large number of…

机器学习 · 计算机科学 2019-10-23 Yunkai Zhang , Qiao Jiang , Shurui Li , Xiaoyong Jin , Xueying Ma , Xifeng Yan

Traffic forecasting is a challenging task due to the complex spatio-temporal correlations among traffic series. In this paper, we identify an underexplored problem in multivariate traffic series prediction: extreme events. Road congestion…

机器学习 · 计算机科学 2023-09-19 Zhiwei Zhang , Weizhong Zhang , Yaowei Huang , Kani Chen

Multi-dimensional time series data, such as matrix and tensor-variate time series, are increasingly prevalent in fields such as economics, finance, and climate science. Traditional Transformer models, though adept with sequential data, do…

机器学习 · 计算机科学 2024-10-29 Linghang Kong , Elynn Chen , Yuzhou Chen , Yuefeng Han

Time series shapelets are discriminative sub-sequences and their similarity to time series can be used for time series classification. Initial shapelet extraction algorithms searched shapelets by complete enumeration of all possible data…

机器学习 · 计算机科学 2017-11-03 Dripta S. Raychaudhuri , Josif Grabocka , Lars Schmidt-Thieme

Learning from limited data is challenging because data scarcity leads to a poor generalization of the trained model. A classical global pooled representation will probably lose useful local information. Many few-shot learning methods have…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Haoxing Chen , Huaxiong Li , Yaohui Li , Chunlin Chen

Long-term time series forecasting (LTSF) is a crucial aspect of modern society, playing a pivotal role in facilitating long-term planning and developing early warning systems. While many Transformer-based models have recently been…

机器学习 · 计算机科学 2023-05-31 Jiaxin Gao , Wenbo Hu , Yuntian Chen

To analyze multivariate time series, most previous methods assume regular subsampling of time series, where the interval between adjacent measurements and the number of samples remain unchanged. Practically, data collection systems could…

机器学习 · 计算机科学 2023-10-18 Yuxi Wei , Juntong Peng , Tong He , Chenxin Xu , Jian Zhang , Shirui Pan , Siheng Chen

Vehicle trajectories provide valuable movement information that supports various downstream tasks and powers real-world applications. A desirable trajectory learning model should transfer between different regions and tasks without…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Yan Lin , Tonglong Wei , Zeyu Zhou , Haomin Wen , Jilin Hu , Shengnan Guo , Youfang Lin , Huaiyu Wan

Tandem mass spectra capture fragmentation patterns that provide key structural information about a molecule. Although mass spectrometry is applied in many areas, the vast majority of small molecules lack experimental reference spectra. For…

机器学习 · 计算机科学 2023-05-03 Adamo Young , Bo Wang , Hannes Röst

We present HEALFormer, a transformer-based neural network architecture for weak gravitational lensing mass mapping that reconstructs convergence maps from incomplete and noisy shear observations on the celestial sphere. The model operates…

天体物理仪器与方法 · 物理学 2026-03-27 Yihe Wang , Yu Yu

Multivariate time series classification (MTSC) has attracted significant research attention due to its diverse real-world applications. Recently, exploiting transformers for MTSC has achieved state-of-the-art performance. However, existing…

机器学习 · 计算机科学 2024-05-24 Xuan-May Le , Ling Luo , Uwe Aickelin , Minh-Tuan Tran

Can language-pretrained transformers become effective time-series forecasters, and why? In this paper, we show that cross-modal transfer arises because language pretraining preconditions time series training with a reusable manifold. A…

机器学习 · 计算机科学 2026-05-21 Alexis Roger , Prateek Humane , Zhenghan Tai , Gwen Legate , Andrei Mircea , Vasilii Feofanov , Irina Rish

Time series forecasting is a critical and challenging task in practical application. Recent advancements in pre-trained foundation models for time series forecasting have gained significant interest. However, current methods often overlook…

机器学习 · 计算机科学 2024-08-02 Shubao Zhao , Ming Jin , Zhaoxiang Hou , Chengyi Yang , Zengxiang Li , Qingsong Wen , Yi Wang

Recent time-series foundation models exhibit strong abilities to predict physical systems. These abilities include zero-shot forecasting, in which a model forecasts future states of a system given only a short trajectory as context, without…

机器学习 · 计算机科学 2026-03-31 Yuanzhao Zhang , William Gilpin

Over the past years, foundation models have caused a paradigm shift in machine learning due to their unprecedented capabilities for zero-shot and few-shot generalization. However, despite the success of foundation models in modalities such…

Efficiently aggregating spatial or temporal horizons to acquire compact representations has become a unifying principle in modern deep learning models, yet learning data-adaptive representations for long-horizon sequence data, especially…

机器学习 · 计算机科学 2026-03-30 Yulun Wu , Sravan Kumar Ankireddy , Samuel Sharpe , Nikita Seleznev , Dehao Yuan , Hyeji Kim , Nam H. Nguyen

In this work, instead of directly predicting the pixel-level segmentation masks, the problem of referring image segmentation is formulated as sequential polygon generation, and the predicted polygons can be later converted into segmentation…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Jiang Liu , Hui Ding , Zhaowei Cai , Yuting Zhang , Ravi Kumar Satzoda , Vijay Mahadevan , R. Manmatha

We present ShapeFormer, a transformer-based network that produces a distribution of object completions, conditioned on incomplete, and possibly noisy, point clouds. The resultant distribution can then be sampled to generate likely…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Xingguang Yan , Liqiang Lin , Niloy J. Mitra , Dani Lischinski , Daniel Cohen-Or , Hui Huang

Transformers are widely used deep learning architectures. Existing transformers are mostly designed for sequences (texts or time series), images or videos, and graphs. This paper proposes a novel transformer model for massive (up to a…

机器学习 · 计算机科学 2023-11-09 Wenchong He , Zhe Jiang , Tingsong Xiao , Zelin Xu , Shigang Chen , Ronald Fick , Miles Medina , Christine Angelini

Multivariate time series forecasting involves predicting future values based on historical observations. However, existing approaches primarily rely on predefined single-scale patches or lack effective mechanisms for multi-scale feature…

机器学习 · 计算机科学 2025-09-24 Huanyao Zhang , Jiaye Lin , Wentao Zhang , Haitao Yuan , Guoliang Li
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