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This work studies the problem of time series analysis with generalist (or foundation) models, which are models trained across many data domains. Drawing inspiration from the widespread success of large language models, we consider the…

机器学习 · 计算机科学 2025-01-03 Sabera Talukder , Yisong Yue , Georgia Gkioxari

Quantifying the impacts of anthropogenic global warming requires accurate Earth system model (ESM) simulations. Statistical bias correction and downscaling can be applied to reduce errors and increase the resolution of ESMs. However,…

地球物理 · 物理学 2024-06-24 Philipp Hess , Niklas Boers

Although pre-trained transformers and reprogrammed text-based LLMs have shown strong performance on time series tasks, the best-performing architectures vary widely across tasks, with most models narrowly focused on specific areas, such as…

机器学习 · 计算机科学 2024-11-27 Shanghua Gao , Teddy Koker , Owen Queen , Thomas Hartvigsen , Theodoros Tsiligkaridis , Marinka Zitnik

In this work, we address time-series forecasting as a computer vision task. We capture input data as an image and train a model to produce the subsequent image. This approach results in predicting distributions as opposed to pointwise…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Naftali Cohen , Srijan Sood , Zhen Zeng , Tucker Balch , Manuela Veloso

Time-series representation learning can extract representations from data with temporal dynamics and sparse labels. When labeled data are sparse but unlabeled data are abundant, contrastive learning, i.e., a framework to learn a latent…

机器学习 · 计算机科学 2023-03-03 Heejeong Choi , Pilsung Kang

In this report, our approach to tackling the task of ActivityNet 2018 Kinetics-600 challenge is described in detail. Though spatial-temporal modelling methods, which adopt either such end-to-end framework as I3D \cite{i3d} or two-stage…

计算机视觉与模式识别 · 计算机科学 2018-06-28 Dongliang He , Fu Li , Qijie Zhao , Xiang Long , Yi Fu , Shilei Wen

Spatio-temporal machine learning is critically needed for a variety of societal applications, such as agricultural monitoring, hydrological forecast, and traffic management. These applications greatly rely on regional features that…

机器学习 · 计算机科学 2023-03-09 Zhexiong Liu , Licheng Liu , Yiqun Xie , Zhenong Jin , Xiaowei Jia

At present, state-of-the-art forecasting models are short of the ability to capture spatio-temporal dependency and synthesize global information at the stage of learning. To address this issue, in this paper, through the adaptive fuzzified…

人工智能 · 计算机科学 2025-07-29 Lijian Li

Conventional time-series forecasting methods typically aim to minimize overall prediction error, without accounting for the varying importance of different forecast ranges in downstream applications. We propose a training methodology that…

Recent state-of-the-art forecasting methods are trained on collections of time series. These methods, often referred to as global models, can capture common patterns in different time series to improve their generalization performance.…

机器学习 · 计算机科学 2024-04-30 Vitor Cerqueira , Nuno Moniz , Ricardo Inácio , Carlos Soares

Urban heatwaves, droughts, and land degradation are pressing and growing challenges in the context of climate change. A valuable approach to studying them requires accurate spatio-temporal information on land surface conditions. One of the…

机器学习 · 计算机科学 2025-08-01 Sofiane Bouaziz , Adel Hafiane , Raphael Canals , Rachid Nedjai

In this paper, we investigate how to learn a suitable representation of satellite image time series in an unsupervised manner by leveraging large amounts of unlabeled data. Additionally , we aim to disentangle the representation of time…

计算机视觉与模式识别 · 计算机科学 2019-03-22 Eduardo Sanchez , Mathieu Serrurier , Mathias Ortner

Multi-modal co-learning is emerging as an effective paradigm in machine learning, enabling models to collaboratively learn from different modalities to enhance single-modality predictions. Earth Observation (EO) represents a quintessential…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Francisco Mena , Dino Ienco , Cassio F. Dantas , Roberto Interdonato , Andreas Dengel

Foundation models are rapidly transforming Earth Observation data mining by enabling generalizable and scalable solutions for key tasks such as scene classification and semantic segmentation. While most efforts in the geospatial domain have…

计算机视觉与模式识别 · 计算机科学 2025-06-27 Man Duc Chuc

Existing deep learning methods for remote sensing image fusion often suffer from poor generalization when applied to unseen datasets due to the limited availability of real training data and the domain gap between different satellite…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Yongchuan Cui , Peng Liu , Yi Zeng

Central to Earth observation is the trade-off between spatial and temporal resolution. For temperature, this is especially critical because real-world applications require high spatiotemporal resolution data. Current technology allows for…

图像与视频处理 · 电气工程与系统科学 2025-07-15 Shengjie Liu , Lu Zhang , Siqin Wang

Deep learning models have shown great promise in diverse remote sensing applications. However, they often struggle to generalize across geographic regions unseen during training due to domain shifts. Domain shifts occur when data…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Sofiane Bouaziz , Adel Hafiane , Raphael Canals , Rachid Nedjai

We introduce bounded generation as a generalized task to control video generation to synthesize arbitrary camera and subject motion based only on a given start and end frame. Our objective is to fully leverage the inherent generalization…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Haiwen Feng , Zheng Ding , Zhihao Xia , Simon Niklaus , Victoria Abrevaya , Michael J. Black , Xuaner Zhang

Recent breakthroughs in natural language processing and computer vision, driven by efficient pre-training on large datasets, have enabled foundation models to excel on a wide range of tasks. However, this potential has not yet been fully…

机器学习 · 计算机科学 2025-02-03 Özgün Turgut , Philip Müller , Martin J. Menten , Daniel Rueckert

Multi-Dimensional time series classification and prediction has been widely used in many fields, such as disease prevention, fault diagnosis and action recognition. However, the traditional method needs manual intervention and inference,…

信号处理 · 电气工程与系统科学 2022-10-12 Chao Lian , Yuliang Zhao , Zhikun Zhan , Wen J. Li