国家自然科学基金(20122BAB211015)

作品数：3被引量：2H指数：1
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相关作者：张明辉梁栋刘且根更多>>
相关机构：中国科学院南昌大学更多>>
相关期刊：《Journal of Donghua University(English Edition)》《Journal of Southeast University(English Edition)》《Journal of Shanghai Jiaotong university(Science)》更多>>
相关主题：ITERATIVE_METHODDICTIONARYTWO-LEVELREGULARIZEDGRAPH更多>>
相关领域：生物学自动化与计算机技术电子电信更多>>
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A Generalized Two-Level Bregman Method with Dictionary Updating for Non-Convex Magnetic Resonance Imaging Reconstruction被引量：1
《Journal of Shanghai Jiaotong university(Science)》2015年第6期660-669,共10页张明辉 何小洋 杜沈园 刘且根 
the National Natural Science Foundation of China(Nos.61362001;61365013 and 51165033);the Natural Science Foundation of Jiangxi Province(Nos.20132BAB211030 and 20122BAB211015);the Technology Foundation of Department of Education in Jiangxi Province(Nos.GJJ 13061 and GJJ14196);the National Postdoctoral Research Funds(No.2014M551867);the Jiangxi Advanced Projects for Postdoctoral Research Funds(No.2014KY02)
In recent years, it has shown that a generalized thresholding algorithm is useful for inverse problems with sparsity constraints. The generalized thresholding minimizes the non-convex p-norm based function with p < 1,...
关键词：magnetic resonance imaging(MRI) sparse representation non-convex generalized thresholding dictionary updating alternating direction method two-level Bregman method with dictionary updating(TBMDU) 
Graph Regularized Sparse Coding Method for Highly Undersampled MRI Reconstruction被引量：1
《Journal of Donghua University(English Edition)》2015年第3期434-441,共8页张明辉 尹子瑞 卢红阳 吴建华 刘且根 
National Natural Science Foundations of China(Nos.61362001,61102043,61262084);Technology Foundations of Department of Education of Jiangxi Province,China(Nos.GJJ12006,GJJ14196);Natural Science Foundations of Jiangxi Province,China(Nos.20132BAB211030,20122BAB211015)
The imaging speed is a bottleneck for magnetic resonance imaging( MRI) since it appears. To alleviate this difficulty,a novel graph regularized sparse coding method for highly undersampled MRI reconstruction( GSCMRI) ...
关键词：magnetic resonance imaging graph regularized sparse coding Bregman iterative method dictionary updating alternating direction method 
Two-level Bregmanized method for image interpolation with graph regularized sparse coding被引量：1
《Journal of Southeast University(English Edition)》2013年第4期384-388,共5页刘且根 张明辉 梁栋 
The National Natural Science Foundation of China (No.61362001,61102043,61262084,20132BAB211030,20122BAB211015);the Basic Research Program of Shenzhen(No.JC201104220219A)
A two-level Bregmanized method with graph regularized sparse coding （TBGSC） is presented for image interpolation. The outer-level Bregman iterative procedure enforces the observation data constraints, while the inne...
关键词：image interpolation Bregman iterative method graph regularized sparse coding alternating direction method 
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