咨询与建议

限定检索结果

文献类型

  • 317 篇 会议
  • 176 篇 期刊文献

馆藏范围

  • 493 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 433 篇 工学
    • 226 篇 电气工程
    • 154 篇 计算机科学与技术...
    • 102 篇 信息与通信工程
    • 51 篇 控制科学与工程
    • 37 篇 机械工程
    • 30 篇 软件工程
    • 27 篇 电子科学与技术(可...
    • 25 篇 仪器科学与技术
    • 20 篇 生物医学工程(可授...
    • 17 篇 交通运输工程
    • 9 篇 航空宇航科学与技...
    • 9 篇 核科学与技术
    • 7 篇 船舶与海洋工程
    • 7 篇 生物工程
    • 6 篇 测绘科学与技术
    • 4 篇 化学工程与技术
  • 97 篇 理学
    • 33 篇 物理学
    • 26 篇 统计学(可授理学、...
    • 19 篇 系统科学
    • 16 篇 生物学
    • 9 篇 数学
    • 3 篇 化学
  • 48 篇 医学
    • 25 篇 临床医学
    • 21 篇 基础医学(可授医学...
    • 11 篇 特种医学
    • 4 篇 公共卫生与预防医...
  • 39 篇 管理学
    • 33 篇 管理科学与工程(可...
  • 11 篇 农学
    • 8 篇 作物学
  • 9 篇 经济学
    • 7 篇 应用经济学
    • 3 篇 理论经济学
  • 1 篇 法学
  • 1 篇 文学
  • 1 篇 军事学

主题

  • 493 篇 expectation-maxi...
  • 48 篇 em algorithm
  • 37 篇 parameter estima...
  • 34 篇 learning (artifi...
  • 34 篇 gaussian process...
  • 34 篇 maximum likeliho...
  • 30 篇 algorithms
  • 29 篇 mixture models
  • 28 篇 bayes methods
  • 28 篇 channel estimati...
  • 25 篇 expectation-maxi...
  • 24 篇 image reconstruc...
  • 23 篇 hidden markov mo...
  • 22 篇 probability
  • 22 篇 monte carlo meth...
  • 22 篇 medical image pr...
  • 20 篇 maximum likeliho...
  • 19 篇 ofdm modulation
  • 19 篇 iterative method...
  • 18 篇 gaussian distrib...

机构

  • 3 篇 duke univ dept e...
  • 3 篇 univ so calif de...
  • 3 篇 graduate school ...
  • 2 篇 spcom group univ...
  • 2 篇 supelec departme...
  • 2 篇 univ victoria de...
  • 2 篇 inria centre ren...
  • 2 篇 princeton univer...
  • 2 篇 harbin inst tech...
  • 2 篇 oklahoma state u...
  • 2 篇 spcom group univ...
  • 2 篇 microsoft res re...
  • 2 篇 nanjing univ inf...
  • 2 篇 linkoping univ d...
  • 2 篇 calif state univ...
  • 2 篇 northwestern pol...
  • 2 篇 army engn univ d...
  • 2 篇 univ windsor dep...
  • 2 篇 microsoft resear...
  • 2 篇 bar ilan univ fa...

作者

  • 4 篇 calinon sylvain
  • 3 篇 bartolucci franc...
  • 3 篇 caldwell darwin ...
  • 3 篇 okamura hiroyuki
  • 3 篇 yang xianqiang
  • 3 篇 rodrigo carvajal
  • 3 篇 dohi tadashi
  • 3 篇 tomohiro nakatan...
  • 3 篇 krolik jeffrey l...
  • 3 篇 boris i. godoy
  • 3 篇 forbes florence
  • 2 篇 rogers jeffrey s...
  • 2 篇 mehrpouyan hani
  • 2 篇 juan c. agüero
  • 2 篇 wu qing ming jon...
  • 2 篇 a. pages-zamora
  • 2 篇 liu xin
  • 2 篇 moeneclaey marc
  • 2 篇 hirokazu kameoka
  • 2 篇 c. herzet

语言

  • 476 篇 英文
  • 12 篇 其他
  • 5 篇 中文
检索条件"主题词=Expectation-maximisation algorithm"
493 条 记 录,以下是141-150 订阅
排序:
Novel optimal time selection method for synthetic aperture radar data processing via expectation-maximization algorithm
收藏 引用
ELECTRONICS LETTERS 2022年 第15期58卷 594-596页
作者: Cao, Rui Wang, Yong Harbin Inst Technol Sch Elect & Informat Engn Harbin Peoples R China
A novel optimal time selection method for synthetic aperture radar (SAR) data processing via the expectation-maximization (EM) algorithm is proposed, which can reduce the computational complexity and improve the image... 详细信息
来源: 评论
Neural network segmented CD algorithm-based PET liver image reconstruction
收藏 引用
INTERNATIONAL JOURNAL OF BIOMEDICAL ENGINEERING AND TECHNOLOGY 2015年 第3期17卷 276-289页
作者: Prasath, T. Arun Rajasekaran, M. Pallikonda Kannan, S. Kalasalingam Univ Dept Instrumentat & Control Engn Krishnankoil 626126 Tamil Nadu India Kalasalingam Univ Dept Elect & Commun Engn Krishnankoil 626126 Tamil Nadu India Ramco Inst Technol Dept Elect & Elect Engn Rajapalayam 626117 Tamil Nadu India
In this paper, reconstruction of the Positron Emission Tomography (PET) images, a CD algorithm was instigated with NN based image segmentation techniques called Neural Network Segmentation based Coordinate DescentWeig... 详细信息
来源: 评论
Is the AIDS incubation time changing? A back-calculation approach
收藏 引用
STATISTICS IN MEDICINE 1999年 第9期18卷 1031-1047页
作者: Deuffic, S Costagliola, D Fac Med St Antoine INSERM Unite Rech Epidemiol & Sci Informat F-75571 Paris 12 France Fac Med St Antoine INSERM U4444 Unite Rech Epidemiol & Sci Informat F-75571 Paris France
Contradictory literature was recently published on possible changes in AIDS incubation time over the period 1978-1994. The purpose of this work was to test if a change in incubation time (shortening or lengthening) wa... 详细信息
来源: 评论
Assessing the strength of directed influences among neural signals: An approach to noisy data
收藏 引用
JOURNAL OF NEUROSCIENCE METHODS 2015年 第0期239卷 47-64页
作者: Sommerlade, Linda Thiel, Marco Mader, Malenka Mader, Wolfgang Timmer, Jens Platt, Bettina Schelter, Bjoern Univ Aberdeen Kings Coll Inst Complex Syst & Math Biol Old Aberdeen AB24 3UE England Univ Aberdeen Kings Coll Inst Pure & Appl Math Old Aberdeen AB24 3UE England Univ Freiburg Freiburg Ctr Data Anal & Modeling FDM D-79104 Freiburg Germany Univ Freiburg Inst Phys D-79104 Freiburg Germany Univ Freiburg Freiburg Inst Adv Studies FRIAS D-79104 Freiburg Germany Univ Med Ctr Freiburg Dept Neuropediat & Muscular Dis D-79106 Freiburg Germany Univ Freiburg BIOSS Ctr Biol Signalling Studies D-79104 Freiburg Germany Univ Aberdeen Inst Med Sci Aberdeen AB25 2ZD Scotland
Background: Measurements in the neurosciences are afflicted with observational noise. Granger-causality inference typically does not take this effect into account. We demonstrate that this leads to false positives con... 详细信息
来源: 评论
Statistical estimation and pedigree analysis of CCR2-CCR5 haplotypes
收藏 引用
HUMAN GENETICS 2001年 第6期108卷 484-493页
作者: Clark, VJ Metheny, N Dean, M Peterson, RJ NCI Lab Genom Divers Frederick MD 21702 USA Celadon Labs Inc College Pk MD 20742 USA
As more SNP marker data becomes available, researchers have used haplotypes of markers, rather than individual polymorphisms, for association analysis of candidate genes. In order to perform haplotype analysis in a po... 详细信息
来源: 评论
The concave-convex procedure
收藏 引用
NEURAL COMPUTATION 2003年 第4期15卷 915-936页
作者: Yuille, AL Rangarajan, A Smith Kettlewell Eye Res Inst San Francisco CA 94115 USA Univ Florida Dept Comp & Informat Sci & Engn Gainesville FL 32611 USA
The concave-convex procedure (CCCP) is a way to construct discrete-time iterative dynamical systems that are guaranteed to decrease global optimization and energy functions monotonically. This procedure can be applied... 详细信息
来源: 评论
Hidden Markov Modeling with Detailed Balance and Its Application to Single Protein Folding
收藏 引用
BIOPHYSICAL JOURNAL 2016年 第10期111卷 2110-2124页
作者: Zhang, Yongli Jiao, Junyi Rebane, Aleksander A. Yale Univ Sch Med Dept Cell Biol New Haven CT 06510 USA Yale Univ Integrated Grad Program Phys & Engn Biol New Haven CT USA Yale Univ Dept Phys New Haven CT USA Yale Univ Nanobiol Inst West Haven CT USA
Hidden Markov modeling (HMM) has revolutionized kinetic studies of macromolecules. However, results from HMM often violate detailed balance when applied to the transitions under thermodynamic equilibrium, and the cons... 详细信息
来源: 评论
Conjugate Mixture Models for Clustering Multimodal Data
收藏 引用
NEURAL COMPUTATION 2011年 第2期23卷 517-557页
作者: Khalidov, Vasil Forbes, Florence Horaud, Radu INRIA Grenoble Rhone Alpes F-38330 Montbonnot St Martin France
The problem of multimodal clustering arises whenever the data are gathered with several physically different sensors. Observations from different modalities are not necessarily aligned in the sense there there is no o... 详细信息
来源: 评论
Scalable spatiotemporal regression model based on Moran's eigenvectors
收藏 引用
INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE 2023年 第1期37卷 162-188页
作者: Nishi, Hayato Asami, Yasushi Baba, Hiroki Shimizu, Chihiro Hitotsubashi Univ Ctr Promot Social Data Sci Educ & Res Tokyo Japan Univ Tokyo Dept Urban Engn Tokyo Japan Kyoto Univ Ctr Southeast Asian Studies Hakubi Ctr Adv Res Kyoto Japan
We propose a scalable regression model with spatially and temporally varying coefficients based on Moran's eigenvectors and efficient computation algorithms. Regression models that consider spatiotemporal non-stat... 详细信息
来源: 评论
The subclass approach for mutational spectrum analysis: Application of the SEM algorithm
收藏 引用
JOURNAL OF THEORETICAL BIOLOGY 1998年 第4期192卷 475-487页
作者: Glazko, GB Milanesi, L Rogozin, IB Russian Acad Sci Inst Cytol & Genet Novosibirsk 630090 Russia CNR Ist Tecnol Biomed Avanzate I-20090 Segrate Milano Italy
Analysis and comparison of mutational spectra represents an important problem in molecular biology. To analyse a mutational spectra we apply an algorithm based on the SEM subclass approach (Simulation, expectation, Ma... 详细信息
来源: 评论