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Short- or mid-term rainfall forecasting is a major task with several environmental applications such as agricultural management or flood risk monitoring. Existing data-driven approaches, especially deep learning models, have shown…

Signal Processing · Electrical Eng. & Systems 2021-01-13 Vincent Bouget , Dominique Béréziat , Julien Brajard , Anastase Charantonis , Arthur Filoche

The key innovation of our analytical method, CaRT, lies in establishing a new hierarchical, distributed architecture to guarantee the safety and robustness of a given learning-based motion planning policy. First, in a nominal setting, the…

Robotics · Computer Science 2023-08-15 Hiroyasu Tsukamoto , Benjamin Rivière , Changrak Choi , Amir Rahmani , Soon-Jo Chung

Deep learning has been successfully applied to precipitation nowcasting. In this work, we propose a pre-training scheme and a new loss function for improving deep-learning-based nowcasting. First, we adapt U-Net, a widely-used deep-learning…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Jihoon Ko , Kyuhan Lee , Hyunjin Hwang , Seok-Geun Oh , Seok-Woo Son , Kijung Shin

A performance measure for a DART tsunami buoy network has been developed. The measure is based on a statistical analysis of simulated forecasts of wave heights outside an impact site and how much the forecasts are degraded in accuracy when…

Atmospheric and Oceanic Physics · Physics 2016-07-12 Donald B. Percival , Donald W. Denbo , Edison Gica , Paul Y. Huang , Harold O. Mofjeld , Michael C. Spillane , Vasily V. Titov

Deep learning models have achieved remarkable progress in precipitation prediction. However, they still face significant challenges in accurately capturing spatial details of radar images, particularly in regions of high precipitation…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Li Chaorong , Ling Xudong , Yang Qiang , Qin Fengqing , Huang Yuanyuan

Conventional algorithms in autonomous exploration face challenges due to their inability to accurately and efficiently identify the spatial distribution of convex regions in the real-time map. These methods often prioritize navigation…

Robotics · Computer Science 2025-03-18 Qiming Wang , Yulong Gao , Yang Wang , Xiongwei Zhao , Yijiao Sun , Xiangyan Kong

Rapidly growing wildfires have recently devastated societal assets, exposing a critical need for early warning systems to expedite relief efforts. Smoke detection using camera-based Deep Neural Networks (DNNs) offers a promising solution…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Ryo Ide , Lei Yang

Simulation is an invaluable tool for radio-frequency system designers that enables rapid prototyping of various algorithms for imaging, target detection, classification, and tracking. However, simulating realistic radar scans is a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Tianshu Huang , John Miller , Akarsh Prabhakara , Tao Jin , Tarana Laroia , Zico Kolter , Anthony Rowe

With climate change predicted to increase the likelihood of landslide events, there is a growing need for rapid landslide detection technologies that help inform emergency responses. Synthetic Aperture Radar (SAR) is a remote sensing…

Signal Processing · Electrical Eng. & Systems 2022-11-08 Vanessa Boehm , Wei Ji Leong , Ragini Bal Mahesh , Ioannis Prapas , Edoardo Nemni , Freddie Kalaitzis , Siddha Ganju , Raul Ramos-Pollan

Climate models are essential to understand and project climate change, yet long-standing biases and uncertainties in their projections remain. This is largely associated with the representation of subgrid-scale processes, particularly…

Dynamical downscaling with high-resolution regional climate models may offer the possibility of realistically reproducing precipitation and weather events in climate simulations. As resolutions fall to order kilometers, the use of explicit…

Applications · Statistics 2018-08-01 Won Chang , Jiali Wang , Julian Marohnic , Rao Kotamarthi , Elisabeth J. Moyer

The ability of the Network digital twin (NDT) to remain aware of changes in its physical counterpart, known as the physical twin (PTwin), is a fundamental condition to enable timely synchronization, also referred to as twinning. In this…

Weather data, comprising multiple variables, poses significant challenges due to its high dimensionality and multimodal nature. Creating low-dimensional embeddings requires compressing this data into a compact, shared latent space. This…

Machine Learning · Computer Science 2026-03-27 Nathan Bailey

Accurate short-term precipitation forecasting is critical for weather-sensitive decision-making in agriculture, transportation, and disaster response. Existing deep learning approaches often struggle to balance global structural consistency…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Penghui Wen , Mengwei He , Patrick Filippi , Na Zhao , Feng Zhang , Thomas Francis Bishop , Zhiyong Wang , Kun Hu

Incomplete node features are ubiquitous in real-world scenarios such as user profiling and cold-start recommendation, which severely hinders the practical deployment of graph learning systems (e.g., GNNs). Existing solutions typically rely…

Machine Learning · Computer Science 2026-04-07 Yifan Song , Fenglin Yu , Yihong Luo , Xingjian Tao , Siya Qiu , Kai Han , Jing Tang

Reducing traffic accidents is an important public safety challenge, therefore, accident analysis and prediction has been a topic of much research over the past few decades. Using small-scale datasets with limited coverage, being dependent…

Machine Learning · Computer Science 2019-09-24 Sobhan Moosavi , Mohammad Hossein Samavatian , Srinivasan Parthasarathy , Radu Teodorescu , Rajiv Ramnath

Space-time adaptive processing (STAP) is one of the most effective approaches to suppressing ground clutters in airborne radar systems. It basically takes two forms, i.e., full-dimension STAP (FD-STAP) and reduced-dimension STAP (RD-STAP).…

Information Theory · Computer Science 2022-02-11 Di Song , Shengyao Chen , Feng Xi , Zhong Liu

Multimodal large language models (MLLMs) have shown strong capability in semantic understanding and visual reasoning, yet their use on continuous video streams in bandwidth-constrained edge-cloud systems incurs prohibitive computation and…

Multimedia · Computer Science 2026-04-08 Qi Guo , Zheming Yang , Yunqing Hu , Chang Zhao , Wen Ji

Precipitation governs Earth's hydroclimate, and its daily spatiotemporal fluctuations have major socioeconomic effects. Advances in Numerical weather prediction (NWP) have been measured by the improvement of forecasts for various physical…

Atmospheric and Oceanic Physics · Physics 2022-11-14 Manmeet Singh , Vaisakh S B , Nachiketa Acharya , Aditya Grover , Suryachandra A Rao , Bipin Kumar , Zong-Liang Yang , Dev Niyogi

Differentiable ARchiTecture Search (DARTS) has attracted much attention due to its simplicity and significant improvement in efficiency. However, the excessive accumulation of the skip connection, when training epochs become large, makes it…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Chao Li , Jia Ning , Han Hu , Kun He