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History matching based on monitoring data will enable uncertainty reduction, and thus improved aquifer management, in industrial-scale carbon storage operations. In traditional model-based data assimilation, geomodel parameters are modified…

机器学习 · 计算机科学 2023-10-06 Su Jiang , Louis J. Durlofsky

Population adjustment methods such as matching-adjusted indirect comparison (MAIC) are increasingly used to compare marginal treatment effects when there are cross-trial differences in effect modifiers and limited patient-level data. MAIC…

统计方法学 · 统计学 2022-12-06 Antonio Remiro-Azócar , Anna Heath , Gianluca Baio

In observational studies, potential unobserved confounding is a major barrier in isolating the average causal effect (ACE). In these scenarios, two main approaches are often used: confounder adjustment for causality (CAC) and instrumental…

统计方法学 · 统计学 2024-11-26 Roy S. Zawadzki , Daniel L. Gillen

We present new data processing techniques that allow to correct the main instrumental effects that degrade the images obtained by ISOCAM, the camera on board the Infrared Space Observatory (ISO). Our techniques take advantage of the fact…

天体物理学 · 物理学 2009-10-31 M. -A. Miville-Deschenes , F. Boulanger , A. Abergel , J. -P. Bernard

Observation of the redshifted 21-cm signal from Cosmic Dawn and Epoch of Reionization is a challenging endeavor in observational cosmology. Presence of orders of magnitude brighter astrophysical foregrounds and various instrumental…

宇宙学与河外天体物理 · 物理学 2022-08-03 Aishrila Mazumder , Abhirup Datta , Arnab Chakraborty , Suman Majumdar

Atmospheric aerosols influence the Earth's climate, primarily by affecting cloud formation and scattering visible radiation. However, aerosol-related physical processes in climate simulations are highly uncertain. Constraining these…

This paper presents a comparison of two reduced-order, sequential and variational data assimilation methods: the SEEK filter and the R-4D-Var. A hybridization of the two, combining the variational framework and the sequential evolution of…

地球物理 · 物理学 2009-11-13 Céline Robert , Eric Blayo , Jacques Verron

A Randomized Control Trial (RCT) is considered as the gold standard for evaluating the effect of any intervention or treatment. However, its feasibility is often hindered by ethical, economical, and legal considerations, making…

机器学习 · 计算机科学 2024-03-13 Md Saiful Islam , Sahil Shikalgar , Md. Noor-E-Alam

In this paper, results are presented on studies which have been performed to investigate the impact of the cut-off elevation angle (CEA) and elevation-dependent weighting (EDW) on the EOP estimates and baseline length repeatability. For…

地球物理 · 物理学 2010-11-12 Zinovy Malkin

Addressing complex meteorological processes at a fine spatial resolution requires substantial computational resources. To accelerate meteorological simulations, researchers have utilized neural networks to downscale meteorological variables…

大气与海洋物理 · 物理学 2024-04-30 Jing Hu , Honghu Zhang , Peng Zheng , Jialin Mu , Xiaomeng Huang , Xi Wu

Population adjustment methods such as matching-adjusted indirect comparison (MAIC) are increasingly used to compare marginal treatment effects when there are cross-trial differences in effect modifiers and limited patient-level data. MAIC…

统计方法学 · 统计学 2022-05-12 Antonio Remiro-Azócar , Anna Heath , Gianluca Baio

Inserting an SVD meta-layer into neural networks is prone to make the covariance ill-conditioned, which could harm the model in the training stability and generalization abilities. In this paper, we systematically study how to improve the…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Yue Song , Nicu Sebe , Wei Wang

The pervasive issue of bias in AI presents a significant challenge to painting classification, and is getting more serious as these systems become increasingly integrated into tasks like art curation and restoration. Biases, often arising…

人工智能 · 计算机科学 2025-07-11 Mridula Vijendran , Shuang Chen , Jingjing Deng , Hubert P. H. Shum

The main goal of machine condition monitoring is, as the name implies, to monitor the condition of industrial applications. The objective of this monitoring can be mainly split into two problems. A diagnostic problem, where normal data…

机器学习 · 计算机科学 2024-09-19 Maarten Meire , Quinten Van Baelen , Ted Ooijevaar , Peter Karsmakers

Machine learning for time-series forecasting remains a key area of research. Despite successful application of many machine learning techniques, relating computational efficiency to forecast error remains an under-explored domain. This…

机器学习 · 计算机科学 2023-09-28 Elin Törnquist , Wagner Costa Santos , Timothy Pogue , Nicholas Wingle , Robert A. Caulk

This paper presents a comprehensive empirical analysis of conformal prediction methods on a challenging aerial image dataset featuring diverse events in unconstrained environments. Conformal prediction is a powerful post-hoc technique that…

机器学习 · 计算机科学 2025-04-25 Farhad Pourkamali-Anaraki

Modern applications such as self-driving cars and drones rely heavily upon robust object detection techniques. However, weather corruptions can hinder the object detectability and pose a serious threat to their navigation and reliability.…

图像与视频处理 · 电气工程与系统科学 2022-04-06 Aboli Marathe , Pushkar Jain , Rahee Walambe , Ketan Kotecha

Classifier free guidance is a standard method for conditional sampling in diffusion models, but its sampling rule is not aligned with the objective used in training. This mismatch induces a structural sampling error through the interaction…

机器学习 · 计算机科学 2026-05-27 Nakgyu Yang , Yechan Lee , SooJean Han

Earth Observation imagery can capture rare and unusual events, such as disasters and major landscape changes, whose visual appearance contrasts with the usual observations. Deep models trained on common remote sensing data will output…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Georges Le Bellier , Nicolas Audebert

The availability of hyperspectral infrared remote sensing instruments, like AIRS and IASI, on board of Earth observing satellites opens the possibility of obtaining high vertical resolution atmospheric profiles. We present an objective and…

大气与海洋物理 · 物理学 2012-05-15 Xavier Calbet