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检索条件"主题词=Expectation-Maximization algorithms"
270 条 记 录,以下是41-50 订阅
排序:
Fast Estimation of Ideal Points with Massive Data
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AMERICAN POLITICAL SCIENCE REVIEW 2016年 第4期110卷 631-656页
作者: Imai, Kosuke Lo, James Olmsted, Jonathan Princeton Univ Dept Polit Princeton NJ 08544 USA Princeton Univ Ctr Stat & Machine Learning Princeton NJ 08544 USA Univ Southern Calif Dept Polit Sci Los Angeles CA 90089 USA NPD Grp Port Washington NY 11050 USA
Estimation of ideological positions among voters, legislators, and other actors is central to many subfields of political science. Recent applications include large data sets of various types including roll calls, sur... 详细信息
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Automatic design of an effective image filter based on an evolutionary algorithm for venous analysis
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NETWORK MODELING AND ANALYSIS IN HEALTH INFORMATICS AND BIOINFORMATICS 2016年 第1期5卷 1-1页
作者: Kashihara, Koji Iwase, Masashi Univ Tokushima Inst Technol & Sci 2-1 Minamijyousanjima Tokushima 7708506 Japan Univ Tokushima Dept Informat Sci & Intelligent Syst 2-1 Minamijyousanjima Tokushima 7708506 Japan
Medical doctors and clinical technologists operate specific, complicated diagnostic systems to assess venous diseases. Instead of using such expensive equipment, low-cost infrared cameras can capture vein images nonin... 详细信息
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On Possibilistic Clustering algorithms Based on Noise Clustering
On Possibilistic Clustering Algorithms Based on Noise Cluste...
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International Symposium on Soft Computing and Intelligent Systems (SCIS)
作者: Yuchi Kanzawa Department of Communications Engineering Shibaura Institute of Technology Tokyo JAPAN
In this study, several possibilistic clustering methods are proposed based on noise clustering. The proposed methods are motivated by the fact that conventional possibilistic clustering methods do not correspond with ... 详细信息
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A novel essential domain perspective for exploring gene essentiality
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BIOINFORMATICS 2015年 第18期31卷 2921-2929页
作者: Lu, Yao Lu, Yulan Deng, Jingyuan Peng, Hai Lu, Hui Lu, Long Jason Shanghai Jiao Tong Univ Shanghai Childrens Hosp Shanghai Inst Med Genet Shanghai 200040 Peoples R China Fudan Univ Sch Life Sci Inst Biostat State Key Lab Genet Engn Shanghai 200433 Peoples R China Cincinnati Childrens Hosp Med Ctr Div Biomed Informat Cincinnati OH 45229 USA Jianghan Univ Inst Syst Biol Wuhan Hubei Peoples R China Univ Illinois Dept Bioengn MC 063 Chicago IL 60607 USA Sichuan Univ West China Hosp Collaborat Innovat Ctr Biotherapy Chengdu 610064 Peoples R China
Motivation: Genes with indispensable functions are identified as essential;however, the traditional gene-level studies of essentiality have several limitations. In this study, we characterized gene essentiality from a... 详细信息
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Hyperspectral Unmixing Via Turbo Bilinear Approximate Message Passing
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IEEE TRANSACTIONS ON COMPUTATIONAL IMAGING 2015年 第3期1卷 143-158页
作者: Vila, Jeremy Schniter, Philip Meola, Joseph Ohio State Univ Dept Elect & Comp Engn Columbus OH 43210 USA US Air Force Res Lab Multispectral Sensing Div Dayton OH 45433 USA
The goal of hyperspectral unmixing is to decompose an electromagnetic spectral dataset measured over M spectral bands and T pixels into N constituent material spectra (or "endmembers") with corresponding spa... 详细信息
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Effect of Residual Channel Estimation Errors in Random Access Methods for Satellite Communications  81
Effect of Residual Channel Estimation Errors in Random Acces...
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81st IEEE Vehicular Technology Conference (VTC Spring)
作者: Zidane, Karine Lacan, Jerome Boucheret, Marie-Laure Poulliat, Charly Gineste, Mathieu Roques, Damien Bes, Caroline Deramecourt, Arnaud Univ Toulouse ISAE DMIA Toulouse France Univ Toulouse TeSA Toulouse France Univ Toulouse IRIT ENSEEIHT Toulouse France Thales Alenia Space Toulouse France CNES Toulouse France
In recent random access methods used for satellite communications, collisions between packets are not considered as destructive. In fact, to deal with the collision problem, successive interference cancellation is per... 详细信息
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Identification of core-periphery structure in networks
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Physical Review E 2015年 第3期91卷 032803-032803页
作者: Xiao Zhang Travis Martin M. E. J. Newman Department of Physics University of Michigan Ann Arbor Michigan 48109 USA Department of Electrical Engineering and Computer Science University of Michigan Ann Arbor Michigan 48109 USA Center for the Study of Complex Systems University of Michigan Ann Arbor Michigan 48109 USA
Many networks can be usefully decomposed into a dense core plus an outlying, loosely connected periphery. Here we propose an algorithm for performing such a decomposition on empirical network data using methods of sta... 详细信息
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The EM Method in a Probabilistic Wavelet-Based MRI Denoising
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COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2015年 第1期2015卷 1-21页
作者: Martin-Fernandez, Marcos Villullas, Sergio Escuela Tecn Super Ingn Telecomun Lab Proc Imagen Valladolid 47011 Spain Univ Valladolid Fac Ciencias Dept Algebra Anal Matemat Geometria & Topol E-47011 Valladolid Spain
Human body heat emission and others external causes can interfere in magnetic resonance image acquisition and produce noise. In this kind of images, the noise, when no signal is present, is Rayleigh distributed and it... 详细信息
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Adaptive Autoregressive Model for Reduction of Noise in SPECT
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COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2015年 第1期2015卷 1-9页
作者: Takalo, Reijo Hytti, Heli Ihalainen, Heimo Sohlberg, Antti Oulu Univ Hosp OYS Dept Diagnost Radiol Div Nucl Med Oulu 90029 Finland Tampere Univ Technol Dept Automat Sci & Engn FIN-33101 Tampere Finland Joint Author Paijat Hame Social & Hlth Care Dept Clin Physiol & Nucl Med Lahti 15850 Finland
This paper presents improved autoregressive modelling (AR) to reduce noise in SPECT images. An AR filter was applied to prefilter projection images and postfilter ordered subset expectation maximisation (OSEM) reconst... 详细信息
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A Statistical Framework to Predict Functional Non-Coding Regions in the Human Genome Through Integrated Analysis of Annotation Data
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SCIENTIFIC REPORTS 2015年 第1期5卷 10576-10576页
作者: Lu, Qiongshi Hu, Yiming Sun, Jiehuan Cheng, Yuwei Cheung, Kei-Hoi Zhao, Hongyu Yale Univ Sch Publ Hlth Dept Biostat New Haven CT 06520 USA Yale Univ Program Computat Biol & Bioinformat New Haven CT USA Yale Univ Sch Med Yale Ctr Med Informat New Haven CT USA Yale Univ Sch Med Dept Emergency Med New Haven CT USA VA Connecticut Healthcare Syst West Haven CT USA
Identifying functional regions in the human genome is a major goal in human genetics. Great efforts have been made to functionally annotate the human genome either through computational predictions, such as genomic co... 详细信息
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