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Recent years, weather forecasting has gained significant attention. However, accurately predicting weather remains a challenge due to the rapid variability of meteorological data and potential teleconnections. Current spatiotemporal…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Yuhao Du , Hui Liu , Haoxiang Peng , Xinyuan Cheng , Chengrong Wu , Jiankai Zhang

We introduce a nonstationary spatio-temporal statistical model for gridded data on the sphere. The model specifies a computationally convenient covariance structure that depends on heterogeneous geography. Widely used statistical models on…

Applications · Statistics 2016-02-25 Stefano Castruccio , Joseph Guinness

Recent progress in self-supervision shows that pre-training large neural networks on vast amounts of unsupervised data can lead to impressive increases in generalisation for downstream tasks. Such models, recently coined as foundation…

One's ability to learn a generative model of the world without supervision depends on the extent to which one can construct abstract knowledge representations that generalize across experiences. To this end, capturing an accurate…

Machine Learning · Computer Science 2021-10-28 Zahra Sheikhbahaee , Dongshu Luo , Blake VanBerlo , S. Alex Yun , Adam Safron , Jesse Hoey

Non-local operations are usually used to capture long-range dependencies via aggregating global context to each position recently. However, most of the methods cannot preserve object shapes since they only focus on feature similarity but…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Pengju Zhang , Yihong Wu , Jiagang Zhu

Current efforts to learn scalable policies in robotic manipulation primarily fall into two categories: one focuses on "action," which involves behavior cloning from extensive collections of robotic data, while the other emphasizes "vision,"…

Robotics · Computer Science 2024-12-20 Yang Tian , Sizhe Yang , Jia Zeng , Ping Wang , Dahua Lin , Hao Dong , Jiangmiao Pang

Data-driven emulators are increasingly being used to learn and emulate physics-based simulations, reducing computational expense and run time. Here, we present a structured way to improve the quality of these high-dimensional emulated…

Machine Learning · Computer Science 2025-04-25 Nawid Keshtmand , Elena Fillola , Jeffrey Nicholas Clark , Raul Santos-Rodriguez , Matthew Rigby

Geospatial foundation models (GFMs) for Earth observation often fail to perform reliably in environments underrepresented during pretraining. We introduce SHRUG-FM, a framework for reliability-aware prediction that enables GFMs to identify…

Deep learning (DL) approaches are being increasingly used for time-series forecasting, with many efforts devoted to designing complex DL models. Recent studies have shown that the DL success is often attributed to effective data…

Human-Computer Interaction · Computer Science 2023-07-28 Jianing Hao , Qing Shi , Yilin Ye , Wei Zeng

Ophthalmic decision-making depends on subtle lesion-scale cues interpreted across multimodal imaging and over time, yet most medical foundation models remain static and degrade under modality and acquisition shifts. Here we introduce…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Ziyu Gao , Xinyuan Wu , Xiaolan Chen , Zhuoran Liu , Ruoyu Chen , Bowen Liu , Bingjie Yan , Zhenhan Wang , Kai Jin , Jiancheng Yang , Yih Chung Tham , Mingguang He , Danli Shi

For autonomous driving, traversability analysis is one of the most basic and essential tasks. In this paper, we propose a novel LiDAR-based terrain modeling approach, which could output stable, complete and accurate terrain models and…

Robotics · Computer Science 2023-07-06 Hanzhang Xue , Hao Fu , Liang Xiao , Yiming Fan , Dawei Zhao , Bin Dai

Autonomous mobile robots operating in remote, unstructured environments must adapt to new, unpredictable terrains that can change rapidly during operation. In such scenarios, a critical challenge becomes estimating the robot's dynamics on…

Robotics · Computer Science 2025-07-18 William Ward , Sarah Etter , Tyler Ingebrand , Christian Ellis , Adam J. Thorpe , Ufuk Topcu

Programming robots by demonstration (PbD) is an intuitive concept, but scaling it to real-world variability remains a challenge for most current teaching frameworks. Conditional task graphs are very expressive and can be defined…

Robotics · Computer Science 2026-03-10 Petr Vanc , Jan Kristof Behrens , Václav Hlaváč , Karla Stepanova

We investigate methods for determining if a planar surface contains geometric deviations (e.g., protrusions, objects, divots, or cliffs) using only an instantaneous measurement from a miniature optical time-of-flight sensor. The key to our…

Robotics · Computer Science 2024-08-08 Carter Sifferman , William Sun , Mohit Gupta , Michael Gleicher

We introduce \textit{SeismoGPT}, a transformer-based model for forecasting three-component seismic waveforms in the context of future gravitational wave detectors like the Einstein Telescope. The model is trained in an autoregressive…

Machine Learning · Computer Science 2025-09-29 Waleed Esmail , Alexander Kappes , Stuart Russell , Christine Thomas

The planet Earth has hundreds of impact events, with some occurrences causing both in terms of human casualty as well as economic losses. Such attitudes of earth pushed the frontiers to develop innovative monitoring strategies for the earth…

Networking and Internet Architecture · Computer Science 2014-08-04 Satyajit Rath , B. P. S. Sahoo , S. K. Pandey , D. P. Sandha

We introduce GraphDOP, a new data-driven, end-to-end forecast system developed at the European Centre for Medium-Range Weather Forecasts (ECMWF) that is trained and initialised exclusively from Earth System observations, with no…

A near-field sensing (NISE) enabled predictive beamforming framework is proposed to facilitate wireless communications with high-mobility channels. Unlike conventional far-field sensing, which only captures the angle and the radial velocity…

Signal Processing · Electrical Eng. & Systems 2024-10-23 Hao Jiang , Zhaolin Wang , Yuanwei Liu

Adverse weather conditions, such as rain, snow, and fog, severely degrade LiDAR semantic segmentation by introducing refraction, scattering, and point dropouts that compromise geometric integrity. While prior approaches ranging from weather…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 YoungJae Cheong , Jhonghyun An

We propose and investigate an "interface-flattening" transformation, hinging upon Transformation Optics (T.O.) techniques, to facilitate the rigorous analysis of electromagnetic (EM) fields radiated by sources embedded in tilted,…

Computational Physics · Physics 2016-02-17 Kamalesh Sainath , Fernando L. Teixeira