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检索条件"主题词=Majorization-Minimization algorithm"
25 条 记 录,以下是11-20 订阅
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Maximum smoothed likelihood component density estimation in mixture models with known mixing proportions
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ELECTRONIC JOURNAL OF STATISTICS 2019年 第2期13卷 4035-4078页
作者: Yu, Tao Li, Pengfei Qin, Jing Natl Univ Singapore Dept Stat & Appl Probabil Singapore 117546 Singapore Univ Waterloo Dept Stat & Actuarial Sci Waterloo ON N2L 3G1 Canada NIAID NIH 9000 Rockville Pike Bethesda MD 20892 USA
Mixture models appear in many research areas. In genetic and epidemiology applications, sometimes the mixture proportions may vary but are known. For such data, the existing methods for the underlying component densit... 详细信息
来源: 评论
Laplace Nonnegative Matrix Factorization with Application to Semi-supervised Audio Denoising  27
Laplace Nonnegative Matrix Factorization with Application to...
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27th European Signal Processing Conference (EUSIPCO)
作者: Tanji, Hiroki Murakami, Takahiro Kamata, Hiroyuki Meiji Univ Dept Elect & Bioinformat Sch Sci & Technol Tokyo Japan Univ Surrey Ctr Vis Speech & Signal Proc CVSSP Guildford Surrey England
This paper proposes two statistical models for the nonnegative matrix factorization (NMF) based on heavy-tailed distributions. In the NMF for acoustic signals, previous works justify the additivity of an observed spec... 详细信息
来源: 评论
Signal subspace change detection in structured covariance matrices  27
Signal subspace change detection in structured covariance ma...
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27th European Signal Processing Conference (EUSIPCO)
作者: Ben Abdallah, R. Breloy, A. Taylor, A. El Korso, M. N. Lautru, D. Univ Paris Nanterre IUT Ville dAvray LEME EA 4416 Paris France Univ Paris Saclay ONERA DEMR F-91123 Palaiseau France
Testing common properties between covariance matrices is a relevant approach in a plethora of applications. In this paper, we derive a new statistical test in the context of structured covariance matrices. Specificall... 详细信息
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Nonnegative Matrix Factorization With Basis Clustering Using Cepstral Distance Regularization
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IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING 2018年 第6期26卷 1025-1036页
作者: Kameoka, Hirokazu Higuchi, Takuya Tanaka, Mikihiro Li, Li NTT Corp NTT Commun Sci Labs Tokyo 2430198 Japan Univ Tokyo Tokyo 1138656 Japan Univ Tsukuba Tsukuba Ibaraki 3058577 Japan
One successful approach for audio source separation involves applying nonnegative matrix factorization (NMF) to a magnitude spectrogram regarded as a nonnegative matrix. This can be interpreted as approximating the ob... 详细信息
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Sparse Bayesian Approach for DOD and DOA Estimation With Bistatic MIMO Radar
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IEEE ACCESS 2019年 7卷 155335-155346页
作者: Cao, Zheng Zhou, Lei Dai, Jisheng Jiangsu Univ Dept Elect Engn Zhenjiang 212013 Jiangsu Peoples R China
This study addresses the problem of joint direction-of-departure (DOD) and direction-of-arrival (DOA) estimation with bistatic multiple-input multiple-output (MIMO) radar. To the best of our knowledge, a limited numbe... 详细信息
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majorization-minimization generalized Krylov subspace methods for - optimization applied to image restoration
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BIT NUMERICAL MATHEMATICS 2017年 第2期57卷 351-378页
作者: Huang, G. Lanza, A. Morigi, S. Reichel, L. Sgallari, F. Chengdu Univ Technol Coll Management Sci Geomath Key Lab Sichuan Chengdu 610059 Peoples R China Univ Bologna Dept Math Bologna Italy Kent State Univ Dept Math Sci Kent OH 44242 USA
A new majorization-minimization framework for - image restoration is presented. The solution is sought in a generalized Krylov subspace that is build up during the solution process. Proof of convergence to a stationar... 详细信息
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Fast Domain Decomposition for Global Image Smoothing
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IEEE TRANSACTIONS ON IMAGE PROCESSING 2017年 第8期26卷 4079-4091页
作者: Kim, Youngjung Min, Dongbo Ham, Bumsub Sohn, Kwanghoon Yonsei Univ Sch Elect & Elect Engn Seoul 120749 South Korea Chungnam Natl Univ Sch Comp Sci & Engn Taejon 305764 South Korea
Edge-preserving smoothing (EPS) can be formulated as minimizing an objective function that consists of data and regularization terms. At the price of high-computational cost, this global EPS approach is more robust an... 详细信息
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Compressive Sensing Reconstruction Based on Weighted Directional Total Variation
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Journal of Shanghai Jiaotong university(Science) 2017年 第1期22卷 114-120页
作者: 闵莉花 冯灿 School of Science Nanjing University of Posts and Telecommunications Department of Beidou North Information Control Research Academy Group Co.Ltd.
Directionality of image plays a very important role in human visual system and it is important prior information of image. In this paper we propose a weighted directional total variation model to reconstruct image fro... 详细信息
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Two-mode three-way dominance points model for periodic dissimilarity  5
Two-mode three-way dominance points model for periodic dissi...
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5th International Conference on Applied Computing and Information Technology, 2017 4th International Conference on Computational Science/Intelligence and Applied Informatics and 2017 1st International Conference on Big Data, Cloud Computing, Data Science and Engineering, ACIT-CSII-BCD 2017
作者: Tsuchida, Jun Yadohisa, Hiroshi Graduate School of Culture and Information Science Doshisha Univesity Kyoto Japan Department of Culture and Information Science Doshisha Univesity Kyoto Japan
Asymmetric multidimensional scaling (AMDS) is important for visualizing asymmetric relationships between objects. The dominance point model involves AMDS and represents asymmetry between objects through the difference... 详细信息
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Accelerated image reconstruction in fluorescence molecular tomography using a nonuniform updating scheme with momentum and ordered subsets methods
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JOURNAL OF BIOMEDICAL OPTICS 2016年 第1期21卷 1-10页
作者: Zhu, Dianwen Li, Changqing Univ Calif Merced Sch Engn 5200 N Lake Rd Merced CA 95343 USA
Fluorescence molecular tomography (FMT) is a significant preclinical imaging modality that has been actively studied in the past two decades. It remains a challenging task to obtain fast and accurate reconstruction of... 详细信息
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