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检索条件"主题词=expectation-maximization algorithm"
629 条 记 录,以下是341-350 订阅
Reliability estimation of a system subject to condition monitoring with two dependent failure modes
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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 finite mixture model of geometric distributions for lossless image compression
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SIGNAL IMAGE AND VIDEO PROCESSING 2016年 第4期10卷 671-678页
作者: Masmoudi, Atef Chaoui, Slim Masmoudi, Afif Univ Sfax Lab Elect & Technol Informat Sfax Tunisia Univ Montpellier 2 UMR CNRS 5506 LIRMM F-34392 Montpellier 05 France Univ Carthage Lab Elect Syst & Commun Networks Carthage Tunisia Univ Sfax Lab Stat & Probabil Sfax Tunisia
In this paper, we proposed a new geometric finite mixture model-based adaptive arithmetic coding (AAC) for lossless image compression. Applying AAC for image compression, large compression gains can be achieved only t... 详细信息
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Assessing treatment efficacy in the presence of diagnostic errors
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STATISTICS IN MEDICINE 2016年 第29期35卷 5338-5355页
作者: Harrar, Solomon Amatya, Anup Kalachev, Leonid Univ Kentucky Dept Stat Multidisciplinary Sci 347 725 Rose St Lexington KY 40536 USA New Mexico State Univ Dept Hlth Sci 1335 Int MallSuite 326 Las Cruces NM 88003 USA Univ Montana Dept Math Sci 32 Campus Dr Missoula MT 59812 USA
This paper investigates estimating and testing treatment effects in randomized control trials where imperfect diagnostic device is used to assign subjects to treatment and control group(s). The paper focuses on pre-po... 详细信息
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Multivariate mixtures of Erlangs for density estimation under censoring
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LIFETIME DATA ANALYSIS 2016年 第3期22卷 429-455页
作者: Verbelen, Roel Antonio, Katrien Claeskens, Gerda Katholieke Univ Leuven Fac Econ & Business Leuven Stat Res Ctr Leuven Belgium Univ Amsterdam Fac Econ & Business Amsterdam Netherlands
Multivariate mixtures of Erlang distributions form a versatile, yet analytically tractable, class of distributions making them suitable for multivariate density estimation. We present a flexible and effective fitting ... 详细信息
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Misclassified group-tested current status data
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BIOMETRIKA 2016年 第4期103卷 801-815页
作者: Petito, L. C. Jewell, N. P. Univ Calif Berkeley Sch Publ Hlth Div Biostat 101 Haviland Hall Berkeley CA 94720 USA
Group testing, introduced by Dorfman (1943), has been used to reduce costs when estimating the prevalence of a binary characteristic based on a screening test of k groups that include n independent individuals in tota... 详细信息
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Composite likelihood and maximum likelihood methods for joint latent class modeling of disease prevalence and high-dimensional semicontinuous biomarker data
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COMPUTATIONAL STATISTICS 2016年 第2期31卷 425-449页
作者: Zhang, Bo Liu, Wei Zhang, Hui Chen, Qihui Zhang, Zhiwei US FDA Ctr Devices & Radiol Hlth Off Surveillance & Biometr Div Biostat Silver Spring MD 20993 USA Harbin Inst Technol Dept Math Harbin 150001 Peoples R China St Jude Childrens Res Hosp Dept Biostat 332 N Lauderdale St Memphis TN 38105 USA China Agr Univ Coll Econ & Management Dept Appl Econ Beijing 100083 Peoples R China
Joint latent class modeling of disease prevalence and high-dimensional semicontinuous biomarker data has been proposed to study the relationship between diseases and their related biomarkers. However, statistical infe... 详细信息
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A unified Bayesian mixture model framework via spatial information for grayscale image segmentation
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JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION 2016年 第PartA期40卷 345-356页
作者: Xiong, Taisong Huang, Yuanyuan Gou, Jianping Hu, Jinrong Chengdu Univ Informat Technol Chengdu 610225 Sichuan Peoples R China Univ Elect Sci & Technol China Sch Comp Sci & Engn Chengdu 611731 Peoples R China JiangSu Univ Sch Comp Sci & Telecommun Engn Zhenjiang 212013 Jiangsu Peoples R China Xihua Univ Sch Comp & Soft Engn Chengdu 610039 Peoples R China
Because of the Student-t distribution owning heavier tailed than the Gaussian distribution, under a Bayesian framework, a spatially variant finite mixture model with Student's t-distribution component function is ... 详细信息
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Ehapp2: Estimate haplotype frequencies from pooled sequencing data with prior database information
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JOURNAL OF BIOINFORMATICS AND COMPUTATIONAL BIOLOGY 2016年 第4期14卷 1650017-1650017页
作者: Cao, Chang-Chang Sun, Xiao Southeast Univ Sch Biol Sci & Med Engn State Key Lab Bioelect Nanjing 210096 Jiangsu Peoples R China
To reduce the cost of large-scale re-sequencing, multiple individuals are pooled together and sequenced called pooled sequencing. Pooled sequencing could provide a cost-effective alternative to sequencing individuals ... 详细信息
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Two-stage marker-stratified clinical trial design in the presence of biomarker misclassification
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JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES C-APPLIED STATISTICS 2016年 第4期65卷 585-601页
作者: Zang, Yong Lee, J. Jack Yuan, Ying Florida Atlantic Univ Boca Raton FL 33431 USA Univ Texas MD Anderson Canc Ctr Houston TX 77030 USA
The marker-stratified design (MSD) is an important design to assess treatment and marker effects in personalized medicine. The MSD stratifies patients into marker positive and marker negative subgroups on the basis of... 详细信息
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Nonparametric maximum likelihood estimation for the multisample Wicksell corpuscle problem
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BIOMETRIKA 2016年 第2期103卷 273-286页
作者: Chan, Kwun Chuen Gary Qin, Jing Univ Washington Dept Biostat Seattle WA 98195 USA NIAID Biostat Res Branch Bethesda MD 20892 USA
We study nonparametric maximum likelihood estimation for the distribution of spherical radii using samples containing a mixture of one-dimensional, two-dimensional biased and three-dimensional unbiased observations. S... 详细信息
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