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A number of deep, wide-field, near-infrared surveys employing new infrared cameras on 4m-class telescopes are about to commence. These surveys have the potential to determine the fraction of luminous dust-obscured quasars that may have…

天体物理学 · 物理学 2009-11-11 Natasha Maddox , Paul C. Hewett

Many living organisms can exploit quantum mechanical effects to gain distinct biological advantages. In plants, photosynthesis uses quantum coherence to achieve near 100% efficiency in energy transfer. With advances in experimental…

量子物理 · 物理学 2025-11-19 Rong-Hang Chen , Jing Dong , Wen Yang , Qing Ai , Gui-Lu Long

Optical absorption measurements characterize a wide variety of systems from atomic gases to \emph{in-vivo} diagnostics of living organisms. Here we study the potential of non-classical techniques to reduce statistical noise below the…

Quantifying the parameters and corresponding uncertainties of hundreds of strongly lensed quasar systems holds the key to resolving one of the most important scientific questions: the Hubble constant ($H_{0}$) tension. The commonly used…

宇宙学与河外天体物理 · 物理学 2022-10-11 Kuan-Wei Huang , Geoff Chih-Fan Chen , Po-Wen Chang , Sheng-Chieh Lin , Chia-Jung Hsu , Vishal Thengane , Joshua Yao-Yu Lin

This paper presents an enhanced adaptive random Fourier features (ARFF) training algorithm for shallow neural networks, building upon the work introduced in "Adaptive Random Fourier Features with Metropolis Sampling", Kammonen et al.,…

机器学习 · 计算机科学 2025-05-01 Aku Kammonen , Anamika Pandey , Erik von Schwerin , Raúl Tempone

The Efficient Adaptive Transformer (EAT) framework unifies three adaptive efficiency techniques - progressive token pruning, sparse attention, and dynamic early exiting - into a single, reproducible architecture for input-adaptive…

计算与语言 · 计算机科学 2025-10-16 Jan Miller

X-ray Absorption Spectroscopy (XAS) is a powerful technique for probing local atomic environments, yet its interpretation remains limited by the need for expert-driven analysis, computationally expensive simulations, and element-specific…

机器学习 · 计算机科学 2025-08-27 Yufeng Wang , Peiyao Wang , Lu Wei , Lu Ma , Yuewei Lin , Qun Liu , Haibin Ling

The number and complexity of artificial intelligence (AI) applications is growing relentlessly. As a result, even with the many algorithmic and mathematical advances experienced over past decades as well as the impressive energy efficiency…

机器学习 · 计算机科学 2023-12-18 Jose Duato , Jose I. Mestre , Manuel F. Dolz , Enrique S. Quintana-Ortí

Biological visual systems learn from limited experience, unlike deep learning models that rely on millions of training images. What learning principles make this possible? We tested whether efficient coding, the idea that neural…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Ananya Passi , Brian S. Robinson , Michael F. Bonner

Quantum sensing harnesses the unique properties of quantum systems to enable precision measurements of physical quantities such as time, magnetic and electric fields, acceleration, and gravitational gradients well beyond the limits of…

量子物理 · 物理学 2025-07-23 Ivana Nikoloska , Ruud Van Sloun , Osvaldo Simeone

Super-resolution can play an essential role in enhancing the spatial fidelity of Earth System Model outputs, allowing fine-scale structures highly beneficial to climate science to be recovered from coarse simulations. However, traditional…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Ehsan Zeraatkar , Salah A Faroughi , Jelena Tešić

Modeling hyperspectral imagery (HSI) across different sensors presents a fundamental challenge due to variations in wavelength coverage, band sampling, and channel dimensionality. As a result, models trained under a fixed spectral…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Haozhe Si , Yuxuan Wan , Yuqing Wang , Minh Do , Han Zhao

Data assimilation aims to estimate the states of a dynamical system by optimally combining sparse and noisy observations of the physical system with uncertain forecasts produced by a computational model. The states of many dynamical systems…

最优化与控制 · 数学 2024-05-08 Amit N. Subrahmanya , Andrey A. Popov , Reid J. Gomillion , Adrian Sandu

New experimental techniques based on non-linear ultrafast spectroscopies have been developed over the last few years, and have been demonstrated to provide powerful probes of quantum dynamics in different types of molecular aggregates,…

Data assimilation (DA) is a fundamental computational technique that integrates numerical simulation models and observation data on the basis of Bayesian statistics. Originally developed for meteorology, especially weather forecasting, DA…

Data assimilation algorithms integrate prior information from numerical model simulations with observed data. Ensemble-based filters, regarded as state-of-the-art, are widely employed for large-scale estimation tasks in disciplines such as…

数值分析 · 数学 2024-05-24 Iris Rammelmüller , Gottfried Hastermann , Jana de Wiljes

Adaptive filtering is a powerful class of control theoretic concepts useful in extracting information from noisy data sets or performing forward prediction in time for a dynamic system. The broad utilization of the associated algorithms…

量子物理 · 物理学 2021-07-21 Riddhi S. Gupta , Michael J. Biercuk

We propose a versatile deep image compression network based on Spatial Feature Transform (SFT arXiv:1804.02815), which takes a source image and a corresponding quality map as inputs and produce a compressed image with variable rates. Our…

图像与视频处理 · 电气工程与系统科学 2021-08-24 Myungseo Song , Jinyoung Choi , Bohyung Han

Hyperspectral imaging enables fine-grained recognition of materials by capturing rich spectral signatures, but learning robust classifiers is challenging due to high dimensionality, spectral redundancy, limited labeled data, and strong…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Alexander Musiat , Nikolas Ebert , Oliver Wasenmüller

Reservoir computing is a novel machine learning algorithm that uses a nonlinear dynamical system to efficiently learn complex temporal patterns from data. The objective of this thesis is to investigate the principles of reservoir computing…

量子物理 · 物理学 2023-10-12 Laia Domingo