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Estimating the distance of a gas source is important in many applications of chemical sensing, like e.g. environmental monitoring, or chemically-guided robot navigation. If an estimation of the gas concentration at the source is available,…

神经元与认知 · 定量生物学 2016-06-14 Michael Schmuker , Viktor Bahr , Ramón Huerta

This study presents a novel mixed-precision iterative refinement algorithm, GADI-IR, within the general alternating-direction implicit (GADI) framework, designed for efficiently solving large-scale sparse linear systems. By employing…

数值分析 · 数学 2025-03-24 Jifeng Ge , Juan Zhang

This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV collected between 2015 and 2018 during Run 2 of the LHC. The…

高能物理 - 实验 · 物理学 2021-08-27 ATLAS Collaboration

The use of multiple Reconfigurable Intelligent Sur- faces (RIS) has gained attention in 6G networks to enhance coverage. However, the feasibility of deploying multiple RIS relies on efficient channel estimation and reduced pilot overhead.…

信息论 · 计算机科学 2025-11-25 Roberto C. G. Porto , Rodrigo C. de Lamare

In this article, we develop an algorithm for probabilistic and constrained projection pursuit. Our algorithm called ADIS (automated decomposition into sources) accepts arbitrary non-linear contrast functions and constraints from the user…

统计计算 · 统计学 2009-03-02 Gautam Pendse , David Borsook , Lino Becerra

X-ray absorption near edge structure (XANES) spectroscopy is a powerful technique for characterizing the chemical state and symmetry of individual elements within materials, but requires collecting data at many energy points which can be…

应用物理 · 物理学 2025-04-25 Ming Du , Mark Wolfman , Chengjun Sun , Shelly D. Kelly , Mathew J. Cherukara

The European collaboration ANTARES aims to operate a large neutrino telescope in the Mediterranean Sea, 2400 m deep, 40 km from Toulon (France). Muon neutrinos are detected through the muon produced in charged current interactions in the…

高能物理 - 实验 · 物理学 2007-05-23 Alain Romeyer , Juan De Dios Zornoza Gomez , Ronald Bruijn

Image restoration tasks have witnessed great performance improvement in recent years by developing large deep models. Despite the outstanding performance, the heavy computation demanded by the deep models has restricted the application of…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Junghun Oh , Heewon Kim , Seungjun Nah , Cheeun Hong , Jonghyun Choi , Kyoung Mu Lee

Space-time adaptive processing (STAP) is an effective tool for detecting a moving target in spaceborne or airborne radar systems. Statistical-based STAP methods generally need sufficient statistically independent and identically distributed…

信息论 · 计算机科学 2010-08-26 Ke Sun , Hao Zhang , Gang Li , Huadong Meng , Xiqin Wang

The rapid development of 3D technology and computer vision applications have motivated a thrust of methodologies for depth acquisition and estimation. However, most existing hardware and software methods have limited performance due to poor…

计算机视觉与模式识别 · 计算机科学 2015-02-13 Lee-Kang Liu , Stanley H. Chan , Truong Q. Nguyen

The success of convolutional neural networks (CNNs) in computer vision applications has been accompanied by a significant increase of computation and memory costs, which prohibits its usage on resource-limited environments such as mobile or…

计算机视觉与模式识别 · 计算机科学 2019-03-25 Shaohui Lin , Rongrong Ji , Yuchao Li , Cheng Deng , Xuelong Li

Point Source (PS) detection is an important issue for future Cosmic Microwave Background (CMB) experiments since they are one of the main contaminants to the recovery of CMB signal at small scales. Improving its multifrequency detection…

We consider the problem of phase retrieval, namely, recovery of a signal from the magnitude of its Fourier transform, or of any other linear transform. Due to the loss of the Fourier phase information, this problem is ill-posed. Therefore,…

信息论 · 计算机科学 2023-07-19 Yoav Shechtman , Amir Beck , Yonina C. Eldar

Phase retrieval, a long-established challenge for recovering a complex-valued signal from its Fourier intensity measurements, has attracted significant interest because of its far-flung applications in optical imaging. To enhance accuracy,…

信号处理 · 电气工程与系统科学 2023-05-16 Qiuliang Ye , Bingo Wing-Kuen Ling , Li-Wen Wang , Daniel Pak-Kong Lun

3D scene understanding is a critical yet challenging task in autonomous driving due to the irregularity and sparsity of LiDAR data, as well as the computational demands of processing large-scale point clouds. Recent methods leverage…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Bin Yang , Alexandru Paul Condurache

To reduce the complexity of infrared spectroscopy hardware while maintaining performance, a data informed, task-specific, spectral collection approach termed Sparse Infrared Spectroscopy (SIRS) is developed. Using a numerically based…

化学物理 · 物理学 2025-06-27 Mira Welner , Andre Hazbun , Thomas Beechem

Spacecraft entering Mars require precise navigation algorithms capable of accurately estimating the vehicle's position and velocity in dynamic and uncertain atmospheric environments. Discrepancies between the true Martian atmospheric…

机器学习 · 计算机科学 2024-05-22 Felipe Giraldo-Grueso , Andrey A. Popov , Renato Zanetti

Lagrangian particle tracking is essential for characterizing turbulent flows, but inferring particle acceleration from inherently noisy position data remains a significant challenge. Fluid particles in turbulence experience extreme,…

数据分析、统计与概率 · 物理学 2026-02-27 Griffin M Kearney , Kasey M Laurent , Makan Fardad

Hyperspectral images contain mixed pixels due to low spatial resolution of hyperspectral sensors. Mixed pixels are pixels containing more than one distinct material called endmembers. The presence percentages of endmembers in mixed pixels…

计算机视觉与模式识别 · 计算机科学 2014-11-04 Roozbeh Rajabi , Hassan Ghassemian

This paper presents an engine able to forecast jointly the concentrations of the main pollutants harming people's health: nitrogen dioxyde (NO2), ozone (O3) and particulate matter (PM2.5 and PM10, which are respectively the particles whose…

机器学习 · 计算机科学 2020-06-17 Antoine Alléon , Grégoire Jauvion , Boris Quennehen , David Lissmyr