孙华飞
作者: Pan, Yu1; Zhou, Xin1; Sun, Fupeng1; Ni, Yin1; Gao, Xingming1; Sun, Huafei1
出处: 2nd International Conference on Applied Statistics, Computational Mathematics, and Software Engineering, ASCMSE 2023 Kaifeng, China 2023
会议录: Vol.12784
作者: Yu, Daohua1;Zhou, Xin2;Pan, Yu2;Niu, Zhendong13;Yuan, Xu4;Sun, Huafei24; (1School of Computer Science and Technology, Beijing Institute of Technology, Beijing, 100081, China;2School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China;3School of Computing and Information, University of Pittsburgh, Pittsburgh, 15260, PA, United States;4Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314019, China)
出处: Entropy 2023 Vol.25 No.1
摘要: With the rapid development of higher education, the evaluation of the academic growth potential of universities has received extensive attention from ...
作者: Xiaoqiang Hua;|Linyu Peng;|Weijian Liu;|Yongqiang Cheng;|Hongqiang Wang;|Huafei Sun;|Zhenghua Wang (1College of Electronic Science and the College of Computer, National University of Defense Technology, Changsha, China 2Department of Mechanical Engineering, Keio University, Yokohama, Japan 3Wuhan Electronic Information Institute, Wuhan, China 4College of Electronic Science, National University of Defense Technology, Changsha, China 5School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, China 6College of Computer, National University of Defense Technology, Changsha, China)
出处: IEEE Transactions on Geoscience and Remote Sensing 2023 Vol.61 P1-15
关键词: Clutter;Covariance matrices;Manifolds;Detectors;Sea measurements;Training;Data models
摘要: This article deals with the problem of detecting maritime targets embedded in nonhomogeneous sea clutter, where the limited number of secondary data i ...
作者: Muhammad Shakhawat Hossain;Chunguang Xiong;Huafei Sun (1 Department of Mathematics, Beijing Institute of Technology, Beijing, China.)
出处: PloS one 2023 Vol.18 No.3 Pe0277126
摘要: In this research article, a discontinuous Galerkin method with a weighted parameter θ and a penalty parameter γ is proposed for solving the first orde ...
发明人: 孙福鹏,孙华飞,倪寅,罗翼昊,潘钰
申请人: 北京理工大学
申请号: 202210595419.0
申请日期: 2022.05.29
摘要: 本发明涉及基于统计流形曲率的心脏病计算机辅助分类方法,属于信号处理技术及计算机辅助诊断领域。本方法利用延迟嵌入和k近邻,将一维的心电图时间序列信号转化为正定矩阵流形上的点云。提出了通过计算每一点的数量曲率并提取曲率离散度这一几何特征来研究点云分布的局部结构差异,从而实现对原始心电图的分类。本方法分类 ...
作者: Daohua Yu;Xin Zhou;Yu Pan;Zhendong Niu;Huafei Sun (1School of Computer Science and Technology, Beijing Institute of Technology, Beijing 100081, China;2School of Mathematics and Statistics, Beijing Institute of Technology, Beijing 100081, China)
出处: Entropy 2022 Vol.24 No.7 P1004
关键词: statistical K-means;academic evaluation;statistical manifold;clustering
摘要: With the globalization of higher education, academic evaluation is increasingly valued by the scientific and educational circles. Although the number ...
作者: Daohua Yu1;Xin Zhou2;Yu Pan2;Zhendong Niu1;Xu Yuan3;Huafei Sun2; (1School of Computer Science and Technology, Beijing Institute of Technology, Beijing 100081, China;2School of Mathematics and Statistics, Beijing Institute of Technology, Beijing 100081, China;3Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314019, China)
出处: Entropy 2022 Vol.25 No.24 P24
关键词: topological data analysis;short time series analysis;Markov chain;university academic performance
摘要: With the rapid development of higher education, the evaluation of the academic growth potential of universities has received extensive attention from ...
作者: Fupeng Sun1;Yin Ni1;Yihao Luo1;Huafei Sun1; (1 School of Mathematics and Statistics, Beijing Institute of Technology, Beijing 100081, China.)
出处: Entropy (Basel, Switzerland) 2022 Vol.24 No.10 P1450
关键词: ECG classification;Wasserstein metric;curvature;local statistics;positive definite symmetric matrix manifold.
摘要: Electrocardiograms (ECG) analysis is one of the most important ways to diagnose heart disease. This paper proposes an efficient ECG classification met ...
作者: Duan, Xiaomin1;Ji, Xueting1;Sun, Huafei2;Guo, Hao1; (1 Dalian Jiaotong Univ, Sch Sci, Dalian 116028, Peoples R China. ;2 Beijing Inst Technol, Beijing Key Lab MCAACI, Beijing 100081, Peoples R China.)
出处: MATHEMATICS 2022 Vol.10 No.2
关键词: INFORMATION GEOMETRY
摘要: A non-iterative method for the difference of means is presented to calculate the log-Euclidean distance between a symmetric positive-definite matrix a ...
作者: Daohua Yu;Xin Zhou;Yu Pan;Zhendong Niu;Xu Yuan;Huafei Sun (1 School of Computer Science and Technology, Beijing Institute of Technology, Beijing 100081, China. 2 School of Mathematics and Statistics, Beijing Institute of Technology, Beijing 100081, China. 3 School of Computing and Information, University of Pittsburgh, Pittsburgh, PA 15260, USA. 4 Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314019, China.)
出处: Entropy (Basel, Switzerland) 2022 Vol.25 No.1 P24
关键词: Markov chain;short time series analysis;topological data analysis;university academic performance.
摘要: With the rapid development of higher education, the evaluation of the academic growth potential of universities has received extensive attention from ...