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Retrieval-augmented generation stores all content indiscriminately, degrading accuracy as noise accumulates. Parametric approaches compress knowledge into weights, precluding selective updates. Neither mirrors biological memory, which gates…

人工智能 · 计算机科学 2026-03-18 Oliver Zahn , Simran Chana

Automatically learned quality assessment for images has recently become a hot topic due to its usefulness in a wide variety of applications such as evaluating image capture pipelines, storage techniques and sharing media. Despite the…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Hossein Talebi , Peyman Milanfar

A growing number of indicators are now being used with some confidence to measure the metallicity(Z) of photoionisation regions in planetary nebulae, galactic HII regions(GHIIRs), extra-galactic HII regions(EGHIIRs) and HII galaxies(HIIGs).…

天体物理学 · 物理学 2012-05-10 Michael Taylor , Angeles I. Diaz

We propose a simple and efficient approach to generate a prediction intervals (PI) for approximated and forecasted trends. Our method leverages a weighted asymmetric loss function to estimate the lower and upper bounds of the PI, with the…

机器学习 · 统计学 2023-07-20 Milo Grillo , Yunpeng Han , Agnieszka Werpachowska

Background: Sensitivity of AI-assisted lung nodule detection systems is known to vary with CT acquisition parameters including radiation dose, reconstruction kernel, and slice thickness. However, the dependence of detection probability on…

图像与视频处理 · 电气工程与系统科学 2026-05-05 Dan Soliman

Breast density is an important risk factor for breast cancer that also affects the specificity and sensitivity of screening mammography. Current federal legislation mandates reporting of breast density for all women undergoing breast…

Artificial intelligence and machine learning are increasingly used for forecasting, optimization, and policy design in the energy sector, yet no standardized framework exists to evaluate whether these systems reason correctly. Current…

人工智能 · 计算机科学 2025-10-24 Eliseo Curcio

Alpha-based performance evaluation may fail to capture correlated residuals due to model errors. This paper proposes using the Generalized Information Ratio (GIR) to measure performance under misspecified benchmarks. Motivated by the…

投资组合管理 · 定量金融 2018-04-24 Zhongzhi Lawrence He

Artificial Intelligence (AI) systems are increasingly prominent in emerging smart cities, yet their reliability remains a critical concern. These systems typically operate through a sequence of interconnected functional stages, where…

人工智能 · 计算机科学 2026-03-20 Fenglian Pan , Yinwei Zhang , Yili Hong , Larry Head , Jian Liu

Obtaining accurate weather forecasts at station locations is a critical challenge due to systematic biases arising from the mismatch between multi-scale, continuous atmospheric characteristic and their discrete, gridded representations.…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Zili Liu , Hao Chen , Lei Bai , Wenyuan Li , Zhengxia Zou , Zhenwei Shi

The rapid development of new generation radio interferometers such as the Square Kilometer Array (SKA) has opened up unprecedented opportunities for astronomical research. However, anthropogenic Radio Frequency Interference (RFI) from…

天体物理仪器与方法 · 物理学 2022-03-02 Haomin Sun , Hui Deng , Feng Wang , Ying Mei , Tingting Xu , Oleg Smirnov , Linhua Deng , Shoulin Wei

Compositional disorder is common in crystal compounds. In these compounds, some atoms are randomly distributed at some crystallographic sites. For such compounds, randomness forms many non-identical independent structures. Thus, calculating…

材料科学 · 物理学 2022-12-23 Mostafa Yaghoobi , Mojtaba Alaei

Item response theory (IRT) can be applied to the analysis of the evaluation of results from AI benchmarks. The two-parameter IRT model provides two indicators (difficulty and discrimination) on the side of the item (or AI problem) while…

人工智能 · 计算机科学 2019-03-25 Fernando Martínez-Plumed , José Hernández-Orallo

Purpose: Most studies evaluating artificial intelligence (AI) models that detect abnormalities in neuroimaging are either tested on unrepresentative patient cohorts or are insufficiently well-validated, leading to poor generalisability to…

图像与视频处理 · 电气工程与系统科学 2024-05-10 Siddharth Agarwal , David A. Wood , Mariusz Grzeda , Chandhini Suresh , Munaib Din , James Cole , Marc Modat , Thomas C Booth

Artificial intelligence (AI) systems accelerate medical workflows and improve diagnostic accuracy in healthcare, serving as second-opinion systems. However, the unpredictability of AI errors poses a significant challenge, particularly in…

The U.S. water distribution system contains thousands of miles of pipes constructed from different materials, and of various sizes, and age. These pipes suffer from physical, environmental, structural and operational stresses, causing…

机器学习 · 计算机科学 2019-09-06 Razieh Tavakoli , Mohammad Najafi , Ali Sharifara

Recurrent neural networks are used to forecast time series in finance, climate, language, and from many other domains. Reservoir computers are a particularly easily trainable form of recurrent neural network. Recently, a "next-generation"…

机器学习 · 计算机科学 2023-03-28 Sarah E. Marzen , Paul M. Riechers , James P. Crutchfield

When confronted with a substance of unknown identity, researchers often perform mass spectrometry on the sample and compare the observed spectrum to a library of previously-collected spectra to identify the molecule. While popular, this…

化学物理 · 物理学 2019-05-07 Jennifer N. Wei , David Belanger , Ryan P. Adams , D. Sculley

AI-native wireless receivers based on deep learning exhibit remarkable performance under stationary channel conditions, yet their resilience to distributional shifts remains poorly characterized by conventional metrics such as bit error…

信息论 · 计算机科学 2026-05-25 Christo Kurisummoottil Thomas , Emilio Calvanese Strinati

We contrast high effectiveness of state of the art deep learning architectures designed for general audio classification tasks, refined for respiratory insufficiency (RI) detection and blood oxygen saturation (SpO$_2$) estimation and…