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Technology to recognize the type of component represented by a point cloud is required in the reconstruction process of an as-built model of a process plant based on laser scanning. The reconstruction process of a process plant through…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Hyungki Kim , Duhwan Mun

Accurate thermal analysis of composites and porous media requires detailed characterization of local thermal properties in small scale. For some important applications such as lithium-ion batteries, changes in the properties during the…

应用物理 · 物理学 2020-10-06 Fazlolah Mohaghegh , Jayathi Murthy

Machine Learning (ML) plays an increasingly important role in the discovery and design of new materials. In this paper, we demonstrate the potential of ML for materials research using hard-magnetic phases as an illustrative case. We build…

This paper is concerned with learning of mixture regression models for individuals that are measured repeatedly. The adjective "unsupervised" implies that the number of mixing components is unknown and has to be determined, ideally by data…

统计方法学 · 统计学 2018-01-09 Peirong Xu , Heng Peng , Tao Huang

Foundational Machine Learning Potentials can resolve the accuracy and transferability limitations of classical force fields. They enable microscopic insights into material behavior through Molecular Dynamics simulations, which can crucially…

计算物理 · 物理学 2025-12-04 Paul Fuchs , Julija Zavadlav

This letter presents a novel approach for identifying uncorrelated atomic configurations from extensive data sets with a non-standard neural network workflow known as random network distillation (RND) for training machine-learned…

计算物理 · 物理学 2023-09-08 Jan Finkbeiner , Samuel Tovey , Christian Holm

Opioid Use Disorder (OUD) has emerged as a significant global public health issue, with complex multifaceted conditions. Due to the lack of effective treatment options for various conditions, there is a pressing need for the discovery of…

机器学习 · 计算机科学 2023-06-14 Hongsong Feng , Rui Wang , Chang-Guo Zhan , Guo-Wei Wei

Unsupervised machine learning methods are used to identify structural changes using the melting point transition in classical molecular dynamics simulations as an example application of the approach. Dimensionality reduction and clustering…

计算物理 · 物理学 2018-12-06 Nicholas Walker , Ka-Ming Tam , Brian Novak , M. Jarrell

Investigation of charged defects is necessary to understand the properties of semiconductors. While density functional theory calculations can accurately describe the relevant physical quantities, these calculations increase the…

材料科学 · 物理学 2022-04-01 Koji Shimizu , Ying Dou , Elvis F. Arguelles , Takumi Moriya , Emi Minamitani , Satoshi Watanabe

The predictive accuracy of density functional theory (DFT) for alloy formation enthalpies is often limited by intrinsic energy resolution errors, particularly in ternary phase stability calculations. In this work, we present a machine…

材料科学 · 物理学 2025-03-10 Sergei I. Simak , Erna K. Delczeg-Czirjak , Olle Eriksson

In light of the recent advancements in machine learning, we propose a novel approach to neutron source distribution estimation through the utilisation of probabilistic generative models. The estimation is based on a Monte Carlo particle…

Advances in Deep Learning bring further investigation into credibility and robustness, especially for safety-critical engineering applications such as the nuclear industry. The key challenges include the availability of data set (often…

机器学习 · 计算机科学 2024-05-29 Yu Chen , Edoardo Patelli , Zhen Yang , Adolphus Lye

We introduce a machine learning method in which energy solutions from the Schrodinger equation are predicted using symmetry adapted atomic orbitals features and a graph neural-network architecture. \textsc{OrbNet} is shown to outperform…

The multifaceted physics of oxides is shaped by their composition and the presence of defects, which are often accompanied by the formation of polarons. The simultaneous presence of polarons and defects, and their complex interactions, pose…

Machine learning interatomic potentials (MLIPs) are routinely used to model diverse atomistic phenomena, yet parameterizing them to accurately capture solid-state phase transformations remains difficult. We present error metrics and…

材料科学 · 物理学 2026-01-21 Lorenzo Piersante , Anirudh Raju Natarajan

Unsupervised clustering is one of the most fundamental challenges in machine learning. A popular hypothesis is that data are generated from a union of low-dimensional nonlinear manifolds; thus an approach to clustering is identifying and…

机器学习 · 计算机科学 2017-12-27 Dejiao Zhang , Yifan Sun , Brian Eriksson , Laura Balzano

Deep learning still struggles with certain kinds of scientific data. Notably, pretraining data may not provide coverage of relevant distribution shifts (e.g., shifts induced via the use of different measurement instruments). We consider…

机器学习 · 计算机科学 2024-07-23 Davis Brown , Cody Nizinski , Madelyn Shapiro , Corey Fallon , Tianzhixi Yin , Henry Kvinge , Jonathan H. Tu

Predicting the physico-chemical properties of pure substances and mixtures is a central task in thermodynamics. Established prediction methods range from fully physics-based ab-initio calculations, which are only feasible for very simple…

机器学习 · 计算机科学 2024-12-02 Johannes Zenn , Dominik Gond , Fabian Jirasek , Robert Bamler

This work presents a novel semi-supervised learning approach for data-driven modeling of asset failures when health status is only partially known in historical data. We combine a generative model parameterized by deep neural networks with…

机器学习 · 计算机科学 2017-09-05 Andre S. Yoon , Taehoon Lee , Yongsub Lim , Deokwoo Jung , Philgyun Kang , Dongwon Kim , Keuntae Park , Yongjin Choi

Polaron defects are ubiquitous in materials and play an important role in many processes involving carrier mobility, charge transfer and surface reactivity. Determining the spatial distribution of small polarons is essential to understand…