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We have developed a machine learning algorithm capable of detecting ``out-of-domain data'' for trustworthy cosmological inference. By using data from two separate suites of cosmological simulations, we show that our algorithm is able to…

宇宙学与河外天体物理 · 物理学 2026-01-21 Ethan Tregidga , David Harvey , Luca Biggio , Felix Vecchi

Novelty detection methods aim at partitioning the test units into already observed and previously unseen patterns. However, two significant issues arise: there may be considerable interest in identifying specific structures within the…

应用统计 · 统计学 2021-06-18 Francesco Denti , Andrea Cappozzo , Francesca Greselin

We consider the problem of Bayesian density estimation on the positive semiline for possibly unbounded densities. We propose a hierarchical Bayesian estimator based on the gamma mixture prior which can be viewed as a location mixture. We…

统计理论 · 数学 2020-02-25 Natalia Bochkina , Judith Rousseau

Data science and informatics tools have been proliferating recently within the computational materials science and catalysis fields. This proliferation has spurned the creation of various frameworks for automated materials screening,…

材料科学 · 物理学 2020-02-21 Kevin Tran , Willie Neiswanger , Junwoong Yoon , Qingyang Zhang , Eric Xing , Zachary W. Ulissi

The GERmanium Detector Array, GERDA, searches for neutrinoless double beta decay in Ge-76 using bare high-purity germanium detectors submerged in liquid argon. For the calibration of these detectors gamma emitting sources have to be lowered…

仪器与探测器 · 物理学 2013-08-13 Laura Baudis , Alfredo D. Ferella , Francis Froborg , Michal Tarka

A new concept of bolometer arrays is used for the imager of PACS, one of the three instruments aboard the future Herschel space observatory. Within the framework of PACS photometer characterization, irradiation tests were performed on a…

天体物理仪器与方法 · 物理学 2010-06-23 B. Horeau , A. Claret , L. Rodriguez , N. Billot , O. Boulade , E. Doumayrou , K. Okumura , J. Le Pennec

Infrastructure deterioration poses significant challenges for asset management, yet existing approaches rely on population-averaged models that overlook equipment-specific heterogeneity. We present a novel framework that combines Bayesian…

应用统计 · 统计学 2026-05-21 Takato Yasuno

Using Bayesian transfer learning, we develop a particle filter approach for tracking a nonlinear dynamical model in a dual-tracking system where intensities of measurement noise for both sensors are asymmetric. The densities for Bayesian…

信号处理 · 电气工程与系统科学 2025-11-24 Omar A. Alotaibi , Brian L. Mark , Mohammad Reza Fasihi

Ultra-fast, precise, and controlled amplitude surrogates are essential for future LHC event generation. First, we investigate the noise reduction and biases of network ensembles and outline a new method to learn well-calibrated systematic…

高能物理 - 唯象学 · 物理学 2026-04-09 Henning Bahl , Nina Elmer , Tilman Plehn , Ramon Winterhalder

Ultra-scaled FinFET transistors bear unique fingerprint-like device-to-device differences attributed to random single impurities. This paper describes how, through correlation of experimental data with multimillion atom tight-binding…

介观与纳米尺度物理 · 物理学 2011-11-21 G. P. Lansbergen , R. Rahman , G. C. Tettamanzi , J. Verduijn , L. C. L. Hollenberg , G. Klimeck , S. Rogge

To improve the accuracy of existing dust concentration measurements, a dust concentration measurement based on Moment of inertia in Gray level-Rank Co-occurrence Matrix (GRCM), which is from the dust image sample measured by a machine…

计算机视觉与模式识别 · 计算机科学 2018-05-11 Zhiwen Luo , Guohui Li , Junfeng Du , Jieping Wu

Quantum embedding theories provide a feasible route for obtaining quantitative descriptions of correlated materials. However, a critical challenge is solving an effective impurity model of correlated orbitals embedded in an electron bath.…

强关联电子 · 物理学 2021-01-27 Hiroshi Shinaoka , Yuki Nagai

The performance of multipath-enhanced device-free localization severely depends on the information about the propagation paths within the network. While known for the line-of-sight, the propagation paths have yet to be determined for…

信号处理 · 电气工程与系统科学 2024-08-15 Martin Schmidhammer , Christian Gentner , Michael Walter , Stephan Sand , Benjamin Siebler , Uwe-Carsten Fiebig

Sub-nanometer and nanometer-sized tips provide high coherence electron sources. Conventionally, the effective source size is estimated from the extent of the experimental biprism interference pattern created on the detector by applying the…

仪器与探测器 · 物理学 2017-03-07 Tatiana Latychevskaia

In this paper the accuracy and robustness of quality measures for the assessment of machine learning models are investigated. The prediction quality of a machine learning model is evaluated model-independent based on a cross-validation…

机器学习 · 统计学 2024-10-07 Thomas Most , Lars Gräning , Sebastian Wolff

We present a quantum Bayesian inference method for intrusion detection, using explicitly constructed quantum circuits and statevector simulation. Prior and conditional probabilities are encoded via unitary gates, and posterior distributions…

Object detection through LiDAR-based point cloud has recently been important in autonomous driving. Although achieving high accuracy on public benchmarks, the state-of-the-art detectors may still go wrong and cause a heavy loss due to the…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Shuangzhi Li , Zhijie Wang , Felix Juefei-Xu , Qing Guo , Xingyu Li , Lei Ma

The paper addresses the problem of designing radar detectors more robust than Kelly's detector to possible mismatches of the assumed target signature, but with no performance degradation under matched conditions. The idea is to model the…

信号处理 · 电气工程与系统科学 2019-10-02 Angelo Coluccia , Giuseppe Ricci , Olivier Besson

Nuclear recoil measurements with high-purity Germanium detectors are very promising to directly detect dark matter candidates. The main background sources in such experiments are natural radioactivity and microphonic noise. Digital pulse…

高能物理 - 实验 · 物理学 2009-10-31 L. Baudis , J. Hellmig , H. V. Klapdor-Kleingrothaus , Y. Ramachers , J. W. Hammer , A. Mayer

Data-informed predictive maintenance planning largely relies on stochastic deterioration models. Monitoring information can be utilized to update sequentially the knowledge on time-invariant deterioration model parameters either within an…

统计计算 · 统计学 2023-08-02 Antonios Kamariotis , Luca Sardi , Iason Papaioannou , Eleni Chatzi , Daniel Straub