咨询与建议

限定检索结果

文献类型

  • 501 篇 期刊文献
  • 110 篇 会议
  • 8 篇 学位论文
  • 2 篇 资讯

馆藏范围

  • 621 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 393 篇 工学
    • 180 篇 电气工程
    • 174 篇 计算机科学与技术...
    • 54 篇 信息与通信工程
    • 46 篇 控制科学与工程
    • 26 篇 机械工程
    • 25 篇 软件工程
    • 19 篇 仪器科学与技术
    • 19 篇 电子科学与技术(可...
    • 17 篇 生物医学工程(可授...
    • 10 篇 交通运输工程
    • 9 篇 环境科学与工程(可...
    • 8 篇 测绘科学与技术
    • 8 篇 化学工程与技术
  • 290 篇 理学
    • 171 篇 统计学(可授理学、...
    • 92 篇 数学
    • 80 篇 生物学
    • 33 篇 物理学
    • 10 篇 系统科学
    • 8 篇 化学
    • 8 篇 地球物理学
  • 92 篇 经济学
    • 89 篇 应用经济学
    • 7 篇 理论经济学
  • 83 篇 管理学
    • 49 篇 管理科学与工程(可...
    • 26 篇 公共管理
    • 8 篇 工商管理
  • 79 篇 医学
    • 41 篇 基础医学(可授医学...
    • 30 篇 临床医学
    • 19 篇 公共卫生与预防医...
    • 8 篇 特种医学
  • 38 篇 农学
  • 12 篇 教育学
    • 12 篇 心理学(可授教育学...
  • 3 篇 法学
  • 1 篇 文学
  • 1 篇 军事学
  • 1 篇 艺术学

主题

  • 621 篇 expectation-maxi...
  • 35 篇 maximum likeliho...
  • 29 篇 gaussian mixture...
  • 22 篇 expectation-maxi...
  • 21 篇 parameter estima...
  • 16 篇 mixture models
  • 15 篇 clustering
  • 15 篇 missing data
  • 14 篇 hidden markov mo...
  • 13 篇 mixture model
  • 12 篇 maximum likeliho...
  • 11 篇 channel estimati...
  • 10 篇 model selection
  • 10 篇 image segmentati...
  • 10 篇 estimation
  • 9 篇 kalman filter
  • 8 篇 hidden markov mo...
  • 8 篇 model-based clus...
  • 7 篇 bayesian methods
  • 6 篇 censored data

机构

  • 6 篇 univ trent dept ...
  • 4 篇 chinese acad sci...
  • 4 篇 univ hong kong d...
  • 4 篇 univ perugia dep...
  • 4 篇 guangzhou univ s...
  • 4 篇 harbin inst tech...
  • 4 篇 nanyang technol ...
  • 3 篇 princeton univ d...
  • 3 篇 graz univ techno...
  • 3 篇 univ pisa dept i...
  • 3 篇 mcmaster univ de...
  • 3 篇 gazi univ fac te...
  • 3 篇 univ elect sci &...
  • 3 篇 univ elect sci &...
  • 3 篇 univ genoa dept ...
  • 3 篇 univ n carolina ...
  • 3 篇 univ perugia dep...
  • 2 篇 colorado state u...
  • 2 篇 radboud univ nij...
  • 2 篇 patna univ dept ...

作者

  • 17 篇 bartolucci franc...
  • 12 篇 pennoni fulvia
  • 6 篇 pandolfi silvia
  • 6 篇 liu xin
  • 6 篇 yang xianqiang
  • 5 篇 kosko bart
  • 4 篇 osoba osonde
  • 4 篇 badeau roland
  • 4 篇 huang biao
  • 4 篇 audhkhasi kartik
  • 4 篇 tian guo-liang
  • 4 篇 ubeyli elif dery...
  • 4 篇 xiong weili
  • 4 篇 li shuwei
  • 3 篇 liu yin
  • 3 篇 lesouple julien
  • 3 篇 sun jianguo
  • 3 篇 chen qingxia
  • 3 篇 vitetta gm
  • 3 篇 zeng donglin

语言

  • 578 篇 英文
  • 37 篇 其他
  • 5 篇 中文
  • 1 篇 西班牙文
检索条件"主题词=expectation-maximization algorithm"
621 条 记 录,以下是541-550 订阅
排序:
A new algorithm for inference in HMM's with lower span complexity
收藏 引用
COMPUTATIONAL STATISTICS & DATA ANALYSIS 2024年 195卷
作者: Pereira, Diogo Nunes, Claudia Rodrigues, Rui IST Lisbon Portugal CEMAT Lisbon Portugal NOVA FCT Ctr Math & Applicat NOVA Math Caparica Portugal NOVA FCT Dept Math Caparica Portugal
The maximum likelihood problem for Hidden Markov Models is usually numerically solved by the Baum -Welch algorithm, which uses the expectation -maximization algorithm to find the estimates of the parameters. This algo... 详细信息
来源: 评论
Point Set Registration With a Hybrid Structure Constraint
收藏 引用
IEEE ACCESS 2019年 7卷 164246-164255页
作者: Sun, Jing Chen, Xia Sun, Zhan-Li Lam, Kin-Man Zeng, Zhigang Anhui Univ Sch Elect Engn & Automat Hefei 230039 Anhui Peoples R China Hefei ZC Optoelect Technol Ltd Anhui Prov Key Lab Nondestruct Evaluat Hefei 230031 Anhui Peoples R China Hong Kong Polytech Univ Dept Elect & Informat Engn Hong Kong Peoples R China Huazhong Univ Sci & Technol Sch Automat Wuhan 430074 Hubei Peoples R China Huazhong Univ Sci & Technol Educ Minist China Key Lab Image Proc & Intelligent Control Wuhan 430074 Hubei Peoples R China
Due to some unfavorable factors, how to accurately register point sets is still a challenging task. In this paper, an effective point set registration approach is proposed based on a hybrid structure constrain. In the... 详细信息
来源: 评论
Reliability estimation of a system subject to condition monitoring with two dependent failure modes
收藏 引用
IIE TRANSACTIONS 2016年 第11期48卷 1058-1071页
作者: Khaleghei, Akram Makis, Viliam Univ Toronto Dept Mech & Ind Engn Toronto ON Canada
A new competing risk model is proposed to calculate the Conditional Mean Residual Life (CMRL) and Conditional Reliability Function (CRF) of a system subject to two dependent failure modes, namely, degradation failure ... 详细信息
来源: 评论
A distributed Kalman filter based fault detection scheme incorporating weighted average consensus algorithm for large-scale interconnected systems ⁎
收藏 引用
IFAC-PapersOnLine 2024年 第14期58卷 586-591页
作者: Haozhou Yuan Jingjing Gao Jian Huang Xu Yang Key Laboratory of Knowledge Automation for Industrial Processes of Ministry of Education School of Automation and Electrical Engineering University of Science and Technology Beijing Beijing 100083 China
Stimulated by the increasing demands for system safety and process reliability in complex industrial processes, this paper investigates a weighted average consensus algorithm based distributed fault detection scheme f... 详细信息
来源: 评论
Parameters Estimation of Impulse Noise for Channel Coded Systems over Fading Channels
收藏 引用
IEICE TRANSACTIONS ON COMMUNICATIONS 2021年 第7期E104B卷 903-912页
作者: Chen, Chun-Yin Chiu, Mao-Ching Natl Chung Cheng Univ Dept Commun Engn Minxiong Township Chia Yi County Taiwan
In this paper, we propose a robust parameters estimation algorithm for channel coded systems based on the low-density parity-check (LDPC) code over fading channels with impulse noise. The estimated parameters are then... 详细信息
来源: 评论
Estimating successive cancer risks in Lynch Syndrome families using a progressive three-state model
收藏 引用
STATISTICS IN MEDICINE 2014年 第4期33卷 618-638页
作者: Choi, Yun-Hee Briollais, Laurent Green, Jane Parfrey, Patrick Kopciuk, Karen Univ Western Ontario Dept Epidemiol & Biostat London ON N6A 5C1 Canada Mt Sinai Hosp Samuel Lunenfeld Res Inst Toronto ON M5G 1X5 Canada Univ Toronto Dalla Lana Sch Publ Hlth Toronto ON M5S 1A1 Canada Mem Univ Newfoundland Discipline Genet St John NF A1B 3X9 Canada Mem Univ Newfoundland Clin Epidemiol Unit St John NF A1B 3X9 Canada Alberta Hlth Serv Canc Care Populat Hlth Res Calgary AB T2S 3C3 Canada Univ Calgary Dept Math & Stat Calgary AB T2N 1N2 Canada
Lynch Syndrome (LS) families harbor mutated mismatch repair genes,which predispose them to specific types of cancer. Because individuals within LS families can experience multiple cancers over their lifetime, we devel... 详细信息
来源: 评论
Joint modeling of linear degradation and failure time data with masked causes of failure under simple step-stress test
收藏 引用
JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION 2018年 第8期88卷 1603-1615页
作者: Azizi, Fariba Haghighi, Firoozeh Univ Tehran Sch Math Stat & Comp Sci Coll Sci Tehran Iran
In this paper, we propose a method to model the relationship between degradation and failure time for a simple step-stress test where the underlying degradation path is linear and different causes of failure are possi... 详细信息
来源: 评论
Reliability analysis for multi-component systems considering stochastic dependency based on factor analysis
收藏 引用
MECHANICAL SYSTEMS AND SIGNAL PROCESSING 2022年 169卷
作者: Kong, Xuefeng Yang, Jun Li, Lei Beihang Univ Sch Reliabil & Syst Engn Beijing 100191 Peoples R China
Reliability analysis for engineering systems with multiple components has gained increasing interest in recent. Most existing works assume that components follow identical degradation models and preset joint distribut... 详细信息
来源: 评论
Fast Automatic Smoothing for Generalized Additive Models
收藏 引用
JOURNAL OF MACHINE LEARNING RESEARCH 2019年 20卷
作者: El-Bachir, Yousra Davison, Anthony C. Ecole Polytech Fed Lausanne FSB MATH STAT Stn 8 CH-1015 Lausanne Switzerland
Generalized additive models (GAMs) are regression models wherein parameters of probability distributions depend on input variables through a sum of smooth functions, whose degrees of smoothness are selected by L-2 reg... 详细信息
来源: 评论
A hidden Markov model for continuous longitudinal data with missing responses and dropout
收藏 引用
BIOMETRICAL JOURNAL 2023年 第5期65卷 e2200016页
作者: Pandolfi, Silvia Bartolucci, Francesco Pennoni, Fulvia Univ Perugia Dept Econ Perugia Italy Univ Milano Bicocca Dept Stat & Quantitat Methods Milan Italy Univ Perugia Dept ofEcon Via A Pascoli 20 I-06123 Perugia Italy
We propose a hidden Markov model for multivariate continuous longitudinal responses with covariates that accounts for three different types of missing pattern: (I) partially missing outcomes at a given time occasion, ... 详细信息
来源: 评论