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检索条件"主题词=Undirected Graphical Model"
20 条 记 录,以下是11-20 订阅
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The FASTCLIME Package for Linear Programming and Large-Scale Precision Matrix Estimation in R
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JOURNAL OF MACHINE LEARNING RESEARCH 2014年 第1期15卷 489-493页
作者: Pang, Haotian Liu, Han Vanderbei, Robets Princeton Univ Dept Elect Engn Princeton NJ 08540 USA Princeton Univ Dept Operat Res & Financial Engn Princeton NJ 08540 USA
We develop an R package FASTCLIME for solving a family of regularized linear programming (LP) problems. Our package efficiently implements the parametric simplex algorithm, which provides a scalable and sophisticated ... 详细信息
来源: 评论
Path weights in concentration graphs
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BIOMETRIKA 2020年 第3期107卷 705-722页
作者: Roverato, Alberto Castelo, Robert Univ Padua Dept Stat Sci Via C Battisti 241 I-35121 Padua Italy Univ Pompeu Fabra Dept Expt & Hlth Sci Dr Aiguader 88 E-08003 Barcelona Spain
A graphical model provides a compact and efficient representation of the association structure in a multivariate distribution by means of a graph. Relevant features of the distribution are represented by vertices, edg... 详细信息
来源: 评论
Hyperspectral Image Clustering based on Variational Expectation Maximization  11
Hyperspectral Image Clustering based on Variational Expectat...
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IEEE 11th Sensor Array and Multichannel Signal Processing Workshop (SAM)
作者: Jiao, Yuchen Ma, Yirong Gu, Yuantao Tsinghua Univ Dept Elect Engn Beijing Peoples R China 69010 Unit PLA Urumqi Peoples R China
Hyperspectral image clustering is an important and challenging problem, which aims to group image pixels according to the land cover information extracted from the spectrum. The spectrum observed at adjacent pixels ar... 详细信息
来源: 评论
QUANTIFYING INPUT UNCERTAINTY IN AN ASSEMBLE-TO-ORDER SYSTEM SIMULATION WITH CORRELATED INPUT VARIABLES OF MIXED TYPES  14
QUANTIFYING INPUT UNCERTAINTY IN AN ASSEMBLE-TO-ORDER SYSTEM...
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Winter Simulation Conference
作者: Akcay, Alp Biller, Bahar Bilkent Univ Dept Ind Engn TR-06800 Ankara Turkey Carnegie Mellon Univ Tepper Sch Business Pittsburgh PA 15213 USA
We consider an assemble-to-order production system where the product demands and the time since the last customer arrival are not independent. The simulation of this system requires a multivariate input model that gen... 详细信息
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Exploiting non-redundant local patterns and probabilistic models for analyzing structured and semi-structured data
Exploiting non-redundant local patterns and probabilistic mo...
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作者: Wang, Chao The Ohio State University
学位级别:Ph.D.
This work seeks to develop a probabilistic framework for modeling, querying and analyzing large-scale structured and semi-structured data. The framework has three components: (1) Mining non-redundant local patterns fr... 详细信息
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Bayesian model selection for high-dimensional Ising models, with applications to educational data
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COMPUTATIONAL STATISTICS & DATA ANALYSIS 2022年 165卷 107325-107325页
作者: Park, Jaewoo Jin, Ick Hoon Schweinberger, Michael Yonsei Univ Dept Stat & Data Sci Seoul South Korea Yonsei Univ Dept Appl Stat Seoul South Korea Univ Missouri Dept Stat Columbia MO 65211 USA
Doubly-intractable posterior distributions arise in many applications of statistics concerned with discrete and dependent data, including physics, spatial statistics, machine learning, the social sciences, and other f... 详细信息
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Toward sampling from undirected probabilistic graphical models using a D-Wave quantum annealer
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QUANTUM INFORMATION PROCESSING 2020年 第10期19卷 353-353页
作者: Koshka, Yaroslav Novotny, M. A. Mississippi State Univ HPC2 Ctr Computat Sci Dept Elect & Comp Engn Mississippi State MS 39762 USA Mississippi State Univ HPC2 Ctr Computat Sci Dept Phys & Astron Mississippi State MS 39762 USA
A D-Wave quantum annealer (QA) having a 2048 qubit lattice, with no missing qubits and couplings, allowed embedding of a complete graph of a restricted Boltzmann machine (RBM). A handwritten digit OptDigits dataset ha... 详细信息
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A superpixel-based CRF saliency detection approach
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Neurocomputing 2017年 244卷 19-32页
作者: Wenliang Qiu Xinbo Gao Bing Han Video and Image Processing System Laboratory School of Electronic Engineering Xidian University Xi’an 710071 China
Salient object detection, experienced several decades, has been an active and popular topic in computer vision. Although a large amount of detection algorithms have been proposed, the obtained saliency maps are still ... 详细信息
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Instability, Sensitivity, and Degeneracy of Discrete Exponential Families
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JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION 2011年 第496期106卷 1361-1370页
作者: Schweinberger, Michael Penn State Univ Dept Stat University Pk PA 16802 USA
A number of discrete exponential family models for dependent data, first and foremost relational data, have turned out to be near-degenerate and problematic in terms of Markov chain Monte Carlo (MCMC) simulation and s... 详细信息
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The fastclime package for linear programming and large-scale precision matrix estimation in R
The Journal of Machine Learning Research
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The Journal of Machine Learning Research 2014年 第1期15卷
作者: Kevin Murphy Bernhard Schölkopf Haotian Pang Han Liu Robert Vanderbei Google Department of Electrical Engineering Princeton University Princeton NJ Department of Operations Research and Financial Engineering Princeton University Princeton NJ
We develop an R package FASTCLIME for solving a family of regularized linear programming (LP) problems. Our package efficiently implements the parametric simplex algorithm, which provides a scalable and sophisticated ... 详细信息
来源: 评论