兰州大学机构库

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A restrictive preconditioner for the system arising in half-quadratic regularized image restoration 期刊论文
Applied Mathematics Letters, 2021, 卷号: 115
Authors:  Zhao, Pei-Pei;  Huang, YM(黄玉梅)
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Conjugate gradient method  Linear systems  Matrix algebra  Newton-Raphson method  Numerical methods  Restoration  Ill conditioned problems  Image restoration problem  Numerical experiments  Preconditioned matrix  Regularization methods  Spectral properties  Structured systems  Symmetric positive definite  
A new nonstationary preconditioned iterative method for linear discrete ill-posed problems with application to image deblurring 期刊论文
NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 2020
Authors:  Buccini, Alessandro;  Donatelli, Marco;  Reichel, Lothar;  Zhang, Wei-Hong
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discrete ill‐  posed inverse problems  iterated Tikhonov method  spectral equivalence  
复对称问题、线性互补问题和线性离散不适定问题的四种数值解法研究 学位论文
, 兰州: 兰州大学, 2020
Authors:  张维红
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复对称线性系统  线性互补问题  线性离散不适定问题  迭代方法  收敛性  
Simultaneous inversion of two initial values for a time-fractional diffusion-wave equation 期刊论文
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS, 2020, 卷号: 37, 期号: 1, 页码: 24-43
Authors:  Zhang, Yun;  Wei, T(魏婷);  Zhang, YX(张远祥)
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inverse initial value problem  iterative Tikhonov regularization method  time-fractional diffusion-wave equation  uniqueness  
Conjugate gradient method preconditioned with modified block SSOR iteration for multiplicative half-quadratic image restoration 期刊论文
CALCOLO, 2020, 卷号: 57, 期号: 3
Authors:  Zhao, Pei-Pei;  Huang, YM(黄玉梅)
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Image restoration  Multiplicative half-quadratic regularization  Newton method  Preconditioners  
PASCAL: a pseudo cascade learning framework for breast cancer treatment entity normalization in Chinese clinical text 期刊论文
BMC MEDICAL INFORMATICS AND DECISION MAKING, 2020, 卷号: 20, 期号: 1
Authors:  An, Yang;  Wang, Jianlin;  Zhang, Liang;  Zhao, Hanyu;  Gao, Zhan;  Huang, Haitao;  Du, Zhenguang;  Jiao, Zengtao;  Yan, Jun;  Wei, Xiaopeng...An, Yang;  Wang, Jianlin;  Zhang, Liang;  Zhao, Hanyu;  Gao, Zhan;  Huang, Haitao;  Du, Zhenguang;  Jiao, Zengtao;  Yan, Jun;  Wei, Xiaopeng;  Jin, Bo
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Breast cancer  Cascade learning  Treatment entity normalization  Chinese clinical text mining  
Variable selection for ultra-high dimensional quantile regression with missing data and measurement error 期刊论文
STATISTICAL METHODS IN MEDICAL RESEARCH, 2020
Authors:  Bai, Yongxin;  Tian, Maozai;  Tang, Man-Lai;  Lee, Wing-Yan
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Quantile regression  Atan penalty  measurement error  missing data  HBIC criterion  
甘肃河西地区农村居民地空间分异影响因素研究 学位论文
, 兰州: 兰州大学, 2020
Authors:  李汝嫣
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农村居民地  分布格局  景观格局指数  地理探测器  影响因素  
基于LSTM的空中目标智能识别方法研究 学位论文
, 兰州: 兰州大学, 2020
Authors:  陆语纯
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雷达目标识别  短时脉冲  LSTM  Adam优化  Dropout正则化  
Single color image super-resolution using sparse representation and color constraint 期刊论文
, 2020, 卷号: 31, 期号: 2
Authors:  Z. Xu;  Q. Ma;  F. Yuan
Favorite  |  View/Download:2/0  |  Submit date:2020/12/18
color image  sparse representation  super-resolution  L2/3 regularization norm  color channel constraint