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The composite current source (CCS) model has been adopted as an advanced timing model that represents the current behavior of cells for improved accuracy and better capability than traditional non-linear delay models (NLDM) to model complex…

机器学习 · 计算机科学 2025-05-26 Tao Bai , Junzhuo Zhou , Zeyuan Deng , Ting-Jung Lin , Wei Xing , Peng Cao , Lei He

Recent technological advances have led to a flood of new data on cosmology rich in information about the formation and evolution of the universe, e.g., the data collected in Sloan Digital Sky Survey (SDSS) for more than 200 million objects.…

宇宙学与河外天体物理 · 物理学 2009-02-25 Sabyasachi Mukhopadhyay , Sisir Roy , Sourabh Bhattacharya

Conversational recommender systems (CRS) aim to recommend suitable items to users through natural language conversations. For developing effective CRSs, a major technical issue is how to accurately infer user preference from very limited…

计算与语言 · 计算机科学 2023-05-31 Yuanhang Zhou , Kun Zhou , Wayne Xin Zhao , Cheng Wang , Peng Jiang , He Hu

Contamination from nearby sources often compromises stellar rotation periods derived from photometric light curves, particularly in data with large pixel scales such as TESS. This problem is compounded when both the target and contaminant…

太阳与恒星天体物理 · 物理学 2025-07-14 Mariel Lares-Martiz , Terry D. Oswalt , Derek L. Buzasi , Kylie R. Boyer , Luca Guida , Ryan J. Reynolds

Aims. We search for transiting circumbinary (CB) planets around eclipsing binaries (EBs). Methods. CB-BLS is a recently-introduced algorithm for the detection of transiting CB planets around EBs.We describe progress in search sensitivity,…

地球与行星天体物理 · 物理学 2015-05-13 A. Ofir , H. J. Deeg , C. H. S. Lacy

A Bayesian approach to calibrating period-luminosity (PL) relations has substantial benefits over generic least-squares fits. In particular, the Bayesian approach takes into account the full prior distribution of the model parameters, such…

天体物理仪器与方法 · 物理学 2015-06-04 Christopher R. Klein , Joseph W. Richards , Nathaniel R. Butler , Joshua S. Bloom

In this first paper of a series we develop a new technique to analyze clusters of galaxies observed during the ROSAT All-Sky Survey (RASS). We call this method the Steepness Ratio Technique (SRT). The SRT uses the convolution between the…

天体物理学 · 物理学 2009-10-30 S. De Grandi , S. Molendi , H. Böhringer , G. Chincarini , W. Voges

It takes years of effort employing the best telescopes and instruments to obtain high-quality stellar photometry, astrometry, and spectroscopy. Stellar evolution models contain the experience of lifetimes of theoretical calculations and…

Craters are one of the most prominent features on planetary surfaces, used in applications such as age estimation, hazard detection, and spacecraft navigation. Crater detection is a challenging problem due to various aspects, including…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Atal Tewari , K Prateek , Amrita Singh , Nitin Khanna

We first introduce a novel profile-based alignment algorithm, the multiple continuous Signal Alignment algorithm with Gaussian Process Regression profiles (SA-GPR). SA-GPR addresses the limitations of currently available signal alignment…

应用统计 · 统计学 2021-06-15 Taehee Lee , Lorraine E. Lisiecki , Devin Rand , Geoffrey Gebbie , Charles E. Lawrence

An in-depth analysis is performed on the problem that one parameter of the Cube model can affects the final simulation results of space debris long-term evolution model, which weakens the representativeness of the space debris evolution…

空间物理 · 物理学 2019-04-01 Xiao-Wei Wang , Jing Liu , Shuang-Xing Cui

An improved version of a recently developed stochastic cluster dynamics (SCD) method {[}Marian, J. and Bulatov, V. V., {\it J. Nucl. Mater.} \textbf{415} (2014) 84-95{]} is introduced as an alternative to rate theory (RT) methods for…

数据结构与算法 · 计算机科学 2016-05-04 Tuan L. Hoang , Jaime Marian , Vasily V. Bulatov , Peter Hosemann

Meta-backscatter system that utilizes meta-material sensors is a promising enabler for future environmental sensing, offering distinct advantages such as low cost, zero-power consumption, and robustness. Specifically, the electromagnetic…

信号处理 · 电气工程与系统科学 2026-04-14 Mengyuan Cao , Xu Liu , Hongliang Zhang

Context: Astronomy and astrophysics demand rigorous handling of uncertainties to ensure the credibility of outcomes. The growing integration of artificial intelligence offers a novel avenue to address this necessity. This convergence…

天体物理仪器与方法 · 物理学 2025-03-28 Víctor Tamames-Rodero , Andrés Moya , Roberto Javier López , Luis Manuel Sarro

Approximate Bayesian computation (ABC) methods, which are applicable when the likelihood is difficult or impossible to calculate, are an active topic of current research. Most current ABC algorithms directly approximate the posterior…

统计计算 · 统计学 2012-12-10 Y. Fan , D. J. Nott , S. A. Sisson

Chronometric dating is becoming increasingly important in areas such as the Origin and evolution of Life on Earth and other planets, Origin and evolution of the Earth and the Solar System... Electron Spin Resonance (ESR) dating is based on…

数据分析、统计与概率 · 物理学 2021-06-21 C. Tannous , J. Gieraltowski

While deep learning-based classification is generally tackled using standardized approaches, a wide variety of techniques are employed for regression. In computer vision, one particularly popular such technique is that of confidence-based…

机器学习 · 计算机科学 2020-07-21 Fredrik K. Gustafsson , Martin Danelljan , Goutam Bhat , Thomas B. Schön

In the last two decades, several methods based on sequential Monte Carlo (SMC) and Markov chain Monte Carlo (MCMC) have been proposed for Bayesian identification of stochastic non-linear state-space models (SSMs). It is well known that the…

应用统计 · 统计学 2013-07-25 Aditya Tulsyan , Biao Huang , R. Bhushan Gopaluni , J. Fraser Forbes

The probability of default (PD) estimation is an important process for financial institutions. The difficulty of the estimation depends on the correlations between borrowers. In this paper, we introduce a hierarchical Bayesian estimation…

统计金融 · 定量金融 2020-05-19 Masato Hisakado , Shintaro Mori

Stochastic reduced models are an important tool in climate systems whose many spatial and temporal scales cannot be fully discretized or underlying physics may not be fully accounted for. One form of reduced model, the linear inverse model…

统计方法学 · 统计学 2020-04-29 Dallas Foster , Darin Comeau , Nathan M. Urban