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检索条件"主题词=Expectation Maximization Algorithm"
643 条 记 录,以下是411-420 订阅
排序:
Finite mixture of varying coefficient model: Estimation and component selection
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JOURNAL OF MULTIVARIATE ANALYSIS 2019年 171卷 452-474页
作者: Ye, Mao Lu, Zhao-Hua Li, Yimei Song, Xinyuan Purdue Univ Dept Stat 610 Purdue Mall W Lafayette IN 47907 USA St Jude Childrens Res Hosp Dept Biostat MS 768262 Danny Thomas Pl Memphis TN 38105 USA Chinese Univ Hong Kong Shenzhen Res Inst Shatin Hong Kong Peoples R China Chinese Univ Hong Kong Dept Stat Shatin Hong Kong Peoples R China
Heterogeneous longitudinal data have become prevalent in medical, biological, and social studies. This paper proposes a finite mixture of varying coefficient models for handling heterogeneous populations. Each compone... 详细信息
来源: 评论
Adaptive quantile low-rank matrix factorization
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PATTERN RECOGNITION 2020年 103卷 107310-107310页
作者: Xu, Shuang Zhang, Chun-Xia Zhang, Jiangshe Xi An Jiao Tong Univ Sch Math & Stat Xian 710049 Shaanxi Peoples R China
Low-rank matrix factorization (LRMF) has received much popularity owing to its successful applications in both computer vision and data mining. By assuming noise to come from a Gaussian, Laplace or mixture of Gaussian... 详细信息
来源: 评论
Cheating Detection Method Based on Improved Cognitive Diagnosis Model  18th
Cheating Detection Method Based on Improved Cognitive Diagno...
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18th Annual International Conference on Web-Based Learning (ICWL)
作者: Li, Zhizhuang Zhu, Zhengzhou Xie, Qiongyu Peking Univ Sch Software & Microelect Beijing Peoples R China Anhui Normal Univ Wuhu Anhui Peoples R China
Cheating in examinations destroys the principles of fairness and justice in evaluation. Cheating detection is of great practical significance. Traditional cheating detection methods have many disadvantages, such as di... 详细信息
来源: 评论
Track Segment Association of Maneuvering Target based on expectation maximization  11
Track Segment Association of Maneuvering Target based on Exp...
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11th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI)
作者: Sun, Jinping Wang, Naiyu Zhang, Zhiguo Beihang Univ Sch Elect & Informat Engn Beijing 100191 Peoples R China
Because of the high maneuverability of targets, track breakages are common in the tracking process. With the purpose of stitching the track segments and achieving better tracking results, we adopt an algorithm to stit... 详细信息
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Finding the Key Influences on the House Price by Finite Mixture Model Based on the Real Estate Data in Changchun  24th
Finding the Key Influences on the House Price by Finite Mixt...
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24th Int Conference on Database Systems for Advanced Applications / 6th Int Workshop on Big Data Management and Service / 4th Int Workshop on Big Data Quality Management / 3rd Int Workshop on Graph Data Management and Analysis
作者: Xu, Xin Huang, Zeyu Wu, Jingyi Fu, Yanjie Luo, Na Chen, Weitong Wang, Jianan Yin, Minghao Northeast Normal Univ Changchun Jilin Peoples R China Missouri Univ Sci & Technol Rolla MO 65409 USA Univ Queensland Brisbane Qld Australia
Nowadays it's difficult for us to analyze the development law of real estate. What's more, predictable house price and understandable key influences can also build a healthier real estate market. Therefore, we... 详细信息
来源: 评论
An Improved Initialization Method using Firefly Movement and Light Intensity for Better Clustering Performance  2019
An Improved Initialization Method using Firefly Movement and...
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2nd International Conference on Software Engineering and Information Management (ICSIM) / 2nd International Conference on Big Data and Smart Computing (ICBDSC)
作者: Masangcap, Maria Lolita G. Sison, Ariel M. Medina, Ruji P. Technol Inst Philippines Quezon City Philippines Emilio Aguinaldo Coll Manila Philippines
K-Means and EM algorithms are the most well-known clustering algorithms because they are simple, easy to understand and implement. However, both algorithms are sensitive to initial seeds which are randomly selected le... 详细信息
来源: 评论
Robust CSI Estimation under Complex Communication Environment
Robust CSI Estimation under Complex Communication Environmen...
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IEEE International Conference on Communications (IEEE ICC)
作者: Zhang, Haipei Xue, Jiang Meng, Deyu Zhao, Qian Xu, Zongben Shijiazhuang Campus Army Engineering University Shijiazhuang China
Channel estimation is the critical and fundamental problem in wireless communication techniques, however, the complexity environment, including interference and noise, post a fundamental limit on the accuracy of chann... 详细信息
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Convergence and Consistency Results in Spectral Clustering and Gaussian Mixture Models
Convergence and Consistency Results in Spectral Clustering a...
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作者: Zhao, Ruofei University of Michigan
学位级别:博士
Clustering analysis is a popular technique in statistics and machine learning. Despite its wide use, certain theoretical properties of clustering algorithms are not well-understood. In this dissertation, we investigat... 详细信息
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Identification of ARX System Based on Shifted Asymmetric Laplace Distribution  38
Identification of ARX System Based on Shifted Asymmetric Lap...
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38th Chinese Control Conference (CCC)
作者: Yu, Miao Zhang, Tianyi Yang, Xianqiang Harbin Inst Technol Res Inst Intelligent Control & Syst Harbin Peoples R China
The identification of AutoRegressive eXogenous (ARX) model by outliers is addressed in this paper. Shifted(non-centralized) asymmetric Laplace (SAL) distribution and expectation maximization (EM) algorithm are employe... 详细信息
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The Spectral Approach to Linear Rational expectations Models
arXiv
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arXiv 2020年
作者: Al-Sadoon, Majid M. Durham University Business School United Kingdom
This paper considers linear rational expectations models in the frequency domain. The paper characterizes existence and uniqueness of solutions to particular as well as generic systems. The set of all solutions to a g... 详细信息
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