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科研机构
数学与系统科学研究... [13]
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期刊论文 [13]
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2022 [2]
2021 [1]
2020 [1]
2019 [1]
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专题:数学与系统科学研究院
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eFraudCom: An E-commerce Fraud Detection System via Competitive Graph Neural Networks
期刊论文
ACM TRANSACTIONS ON INFORMATION SYSTEMS, 2022, 卷号: 40, 期号: 3, 页码: 29
作者:
Zhang, Ge
;
Li, Zhao
;
Huang, Jiaming
;
Wu, Jia
;
Zhou, Chuan
收藏
  |  
浏览/下载:26/0
  |  
提交时间:2022/04/29
Online e-commerce platforms
fraud detection system
graph neural networks
Online Semisupervised Active Classification for Multiview PolSAR Data
期刊论文
IEEE TRANSACTIONS ON CYBERNETICS, 2022, 卷号: 52, 期号: 6, 页码: 4415-4429
作者:
Nie, Xiangli
;
Fan, Mingyu
;
Huang, Xiayuan
;
Yang, Wenjing
;
Zhang, Bo
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2023/02/07
Task analysis
Feature extraction
Heuristic algorithms
Data models
Manifolds
Semisupervised learning
Training
Online active learning
online multiview learning
online semisupervised learning (SSL)
polarimetric synthetic aperture radar (PolSAR) data classification
Proximal-Like Incremental Aggregated Gradient Method with Linear Convergence Under Bregman Distance Growth Conditions
期刊论文
MATHEMATICS OF OPERATIONS RESEARCH, 2021, 卷号: 46, 期号: 1, 页码: 61-81
作者:
Zhang, Hui
;
Dai, Yu-Hong
;
Guo, Lei
;
Peng, Wei
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  |  
浏览/下载:47/0
  |  
提交时间:2021/04/26
incremental aggregated gradient
linear convergence
Lipschitz-like/convexity
relative smoothness
Bregman distance growth
A phase field framework for dynamic adiabatic shear banding
期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2020, 卷号: 135, 页码: 19
作者:
Xu, Yun
;
Ming, Pingbing
;
Chen, Jun
收藏
  |  
浏览/下载:53/0
  |  
提交时间:2020/05/24
Phase field
Variational formulation
Adiabatic shear bands
Strain gradient theory
Finite element simulation
A Mixed Regularization Method for Ill-Posed Problems
期刊论文
NUMERICAL MATHEMATICS-THEORY METHODS AND APPLICATIONS, 2019, 卷号: 12, 期号: 1, 页码: 212-232
作者:
Zheng, Hui
;
Zhang, Wensheng
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  |  
浏览/下载:26/0
  |  
提交时间:2018/11/16
Ill-posedness
continuous regularization
iterative regularization
mixed regularization
optimal order
Indirect Image Registration with Large Diffeomorphic Deformations
期刊论文
SIAM JOURNAL ON IMAGING SCIENCES, 2018, 卷号: 11, 期号: 1, 页码: 575-617
作者:
Chen, Chong
;
Oktem, Ozan
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  |  
浏览/下载:39/0
  |  
提交时间:2018/07/30
indirect image registration
shape theory
large deformations
diffeomorphisms
shape regularization
image reconstruction
tomography
A general framework of piecewise-polynomial Mumford-Shah model for image segmentation
期刊论文
INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, 2017, 卷号: 94, 期号: 10, 页码: 1981-1997
作者:
Chen, Chong
;
Leng, Juelin
;
Xu, Guoliang
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  |  
浏览/下载:22/0
  |  
提交时间:2018/07/30
Image segmentation
piecewise-polynomial approximation
anisotropic control
intensity heterogeneity
split Bregman iteration
11Y11
11Y16
11G20
11G99
68W20
Nonlinear Stepsize Control Algorithms: Complexity Bounds for First- and Second-Order Optimality
期刊论文
JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, 2016, 卷号: 171, 期号: 3, 页码: 980-997
作者:
Grapiglia, Geovani Nunes
;
Yuan, Jinyun
;
Yuan, Ya-xiang
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2018/07/30
Worst-case complexity
Trust-region methods
Regularization methods
Unconstrained optimization
On the worst-case complexity of nonlinear stepsize control algorithms for convex unconstrained optimization
期刊论文
OPTIMIZATION METHODS & SOFTWARE, 2016, 卷号: 31, 期号: 3, 页码: 591-604
作者:
Grapiglia, G. N.
;
Yuan, J.
;
Yuan, Y.
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2018/07/30
worst-case complexity
trust-region methods
regularization methods
unconstrained optimization
90C30
65K05
49M37
49M15
90C29
Distributed image understanding with semantic dictionary and semantic expansion
期刊论文
NEUROCOMPUTING, 2016, 卷号: 174, 页码: 384-392
作者:
Li, Liang
;
Yan, Chenggang Clarence
;
Chen, Xing
;
Zhang, Chunjie
;
Yin, Jian
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2018/07/30
Image understanding
Semantic dictionary
Multi-task learning
Semantic expansion
Distributed systems
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