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Anytime heuristic search algorithms try to find a (potentially suboptimal) solution as quickly as possible and then work to find better and better solutions until an optimal solution is obtained or time is exhausted. The most widely-known…

人工智能 · 计算机科学 2023-12-21 Sofia Lemons , Wheeler Ruml , Robert C. Holte , Carlos Linares López

The spatio-temporal relations of impacts of extreme events and their drivers in climate data are not fully understood and there is a need of machine learning approaches to identify such spatio-temporal relations from data. The task,…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Mohamad Hakam Shams Eddin , Juergen Gall

One noted issue of vector-quantized variational autoencoder (VQ-VAE) is that the learned discrete representation uses only a fraction of the full capacity of the codebook, also known as codebook collapse. We hypothesize that the training…

Motivated by the EVA 2025 Data Challenge, we address the problem of predicting extreme rainfall in the eastern United States using data from a large ensemble of climate model runs. The challenge focuses on three quantities of interest…

统计方法学 · 统计学 2026-03-20 Ryan Campbell , Kristina Grolmusova , Lydia Kakampakou , Jeongjin Lee

Climate science studies the structure and dynamics of Earth's climate system and seeks to understand how climate changes over time, where the data is usually stored in the format of time series, recording the climate features, geolocation,…

Fully coherent searches (over realistic ranges of parameter space and year-long observation times) for unknown sources of continuous gravitational waves are computationally prohibitive. Less expensive hierarchical searches divide the data…

广义相对论与量子宇宙学 · 物理学 2009-10-27 Holger J. Pletsch , Bruce Allen

3D object detection plays a pivotal role in autonomous driving and robotics, demanding precise interpretation of Bird's Eye View (BEV) images. The dynamic nature of real-world environments necessitates the use of dynamic query mechanisms in…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Jiawei Yao , Yingxin Lai , Hongrui Kou , Tong Wu , Ruixi Liu

Extreme events, such as market crashes, natural disasters, and pandemics, are rare but catastrophic, often triggering cascading failures across interconnected systems. Accurate prediction and early warning can help minimize losses and…

机器学习 · 计算机科学 2025-06-10 Jingyi Gu , Xuan Zhang , Guiling Wang

In this paper, we address the intricate challenge of gaze vector prediction, a pivotal task with applications ranging from human-computer interaction to driver monitoring systems. Our innovative approach is designed for the demanding…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Abeer Banerjee , Naval K. Mehta , Shyam S. Prasad , Himanshu , Sumeet Saurav , Sanjay Singh

Among the most relevant processes in the Earth system for human habitability are quasi-periodic, ocean-driven multi-year events whose dynamics are currently incompletely characterized by physical models, and hence poorly predictable. This…

大气与海洋物理 · 物理学 2023-08-09 Matthew Bonas , Christopher K. Wikle , Stefano Castruccio

Self-supervised representation learning, particularly through contrastive methods like TS2Vec, has advanced the analysis of time series data. However, these models often falter in forecasting tasks because their objective functions…

机器学习 · 计算机科学 2025-12-01 Ganeshan Niroshan , Uthayasanker Thayasivam

A leading goal for climate science and weather risk management is to accurately model both the physics and statistics of extreme events. These two goals are fundamentally at odds: the higher a computational model's resolution, the more…

大气与海洋物理 · 物理学 2024-02-06 Justin Finkel , Paul A. O'Gorman

Time series models often deal with extreme events and anomalies, both prevalent in real-world datasets. Such models often need to provide careful probabilistic forecasting, which is vital in risk management for extreme events such as…

机器学习 · 统计学 2022-08-23 Ashkan Farhangi , Jiang Bian , Arthur Huang , Haoyi Xiong , Jun Wang , Zhishan Guo

Vector-quantized networks (VQNs) have exhibited remarkable performance across various tasks, yet they are prone to training instability, which complicates the training process due to the necessity for techniques such as subtle…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Borui Zhang , Wenzhao Zheng , Jie Zhou , Jiwen Lu

In dynamic and uncertain environments, robotic path planning demands accurate spatiotemporal environment understanding combined with robust decision-making under partial observability. However, current deep reinforcement learning-based path…

机器人学 · 计算机科学 2025-09-15 Yutong Shen , Ruizhe Xia , Bokai Yan , Shunqi zhang , Pengrui Xiang , Sicheng He , Yixin Xu

Event cameras are bio-inspired sensors capable of providing a continuous stream of events with low latency and high dynamic range. As a single event only carries limited information about the brightness change at a particular pixel, events…

计算机视觉与模式识别 · 计算机科学 2020-09-21 Tobias Fischer , Michael Milford

Data-driven forecasts of air quality have recently achieved more accurate short-term predictions. Despite their success, most of the current data-driven solutions lack proper quantifications of model uncertainty that communicate how much to…

机器学习 · 计算机科学 2021-12-07 Abdulmajid Murad , Frank Alexander Kraemer , Kerstin Bach , Gavin Taylor

Generating accurate extremes from an observational data set is crucial when seeking to estimate risks associated with the occurrence of future extremes which could be larger than those already observed. Applications range from the…

机器学习 · 统计学 2026-02-02 Nicolas Lafon , Philippe Naveau , Ronan Fablet

Accumulation of corporate data in the cloud has attracted more enterprise applications to the cloud creating data gravity. As a consequence, network traffic has become more cloud centric. This increase in cloud centric traffic poses new…

机器学习 · 计算机科学 2022-10-05 Mujahid Sultan

McKean-Vlasov (MKV) systems provide a unifying framework for recent state-of-the-art particlebased methods for global optimization. While individual particles follow stochastic trajectories, the probability law evolves deterministically in…

最优化与控制 · 数学 2026-03-03 Gaëtan Serré , Pierre Germain , Samuel Gruffaz , Argyris Kalogeratos