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检索条件"主题词=alternating minimization algorithm"
42 条 记 录,以下是1-10 订阅
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alternating minimization algorithm for quantitative differential-interference contrast (DIC) microscopy
Alternating minimization algorithm for quantitative differen...
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Conference on Computational Imaging VI
作者: O'Sullivan, Joseph A. Preza, Chrysanthe Washington Univ Dept Elect & Syst Engn St Louis MO 63130 USA Univ Memphis Dept Elect & Comp Engn Memphis TN 38152 USA
A new iterative algorithm for quantitative image reconstruction for differential-interference contrast (DIC) microscopy is presented, along with simulations demonstrating key properties of the algorithm. The algorithm... 详细信息
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A Unified Bregman alternating minimization algorithm for Generalized DC Programs with Application to Imaging
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JOURNAL OF SCIENTIFIC COMPUTING 2024年 第3期101卷 76页
作者: He, Hongjin Zhang, Zhiyuan Ningbo Univ Sch Math & Stat Ningbo 315211 Peoples R China Southern Methodist Univ Dept Operat Res & Engn Management Dallas TX 75205 USA
In this paper, we consider a class of nonconvex (not necessarily differentiable) optimization problems called generalized Difference-of-Convex functions (DC) programs, which is minimizing the sum of two separable DC p... 详细信息
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Low dose CT reconstruction via L1 norm dictionary learning using alternating minimization algorithm and balancing principle
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JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY 2018年 第4期26卷 603-622页
作者: Wu, Junfeng Dai, Fang Hu, Gang Mou, Xuanqin Xian Univ Technol Coll Sci Xian 710048 Shaanxi Peoples R China Southeast Univ Key Lab Comp Network & Informat Integrat Minist Educ Nanjing Jiangsu Peoples R China Xi An Jiao Tong Univ Inst Image Proc & Pattern Recognit Xian Shaanxi Peoples R China
Excessive radiation exposure in computed tomography (CT) scans increases the chance of developing cancer and has become a major clinical concern. Recently, statistical iterative reconstruction (SIR) with l(0)-norm dic... 详细信息
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Line Integral alternating minimization algorithm for Dual-Energy X-Ray CT Image Reconstruction
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IEEE TRANSACTIONS ON MEDICAL IMAGING 2016年 第2期35卷 685-698页
作者: Chen, Yaqi O'Sullivan, Joseph A. Politte, David G. Evans, Joshua D. Han, Dong Whiting, Bruce R. Williamson, Jeffrey F. Washington Univ Dept Elect & Syst Engn St Louis MO 63130 USA Washington Univ Sch Med Mallinckrodt Inst Radiol Elect Radiol Lab St Louis MO 63110 USA Virginia Commonwealth Univ Dept Radiat Oncol Richmond VA 23220 USA Univ Pittsburgh Dept Radiol Pittsburgh PA 15213 USA
We propose a new algorithm, called line integral alternating minimization (LIAM), for dual-energy X-ray CT image reconstruction. Instead of obtaining component images by minimizing the discrepancy between the data and... 详细信息
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Implementation and Evaluation of a Penalized alternating minimization algorithm for Computational DIC Microscopy
Implementation and Evaluation of a Penalized Alternating Min...
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Conference on Computational Imaging VIII
作者: Preza, Chrysanthe O'Sullivan, Joseph A. Univ Memphis Dept Elect & Comp Engn Memphis TN 38152 USA Washington Univ Dept Elect & Syst Engn St Louis MO 63130 USA
We present the implementation and evaluation of a penalized alternating minimization (AM) method(1) for the computation of a specimen's complex transmittance function (magnitude and phase) from images captured wit... 详细信息
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A new alternating minimization algorithm for image segmentation
A new alternating minimization algorithm for image segmentat...
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6th International Conference on Wireless, Mobile and Multi-Media (ICWMMN 2015)
作者: Zeyang Dou Bin Zhang Xinyan Yu Department of Applied Mathematics Communication University of China Beijing China
A new alternating minimization algorithm for image segmentation is proposed. Based on the similarities between Ambrosio-Tortorelli model and Perona-Malik model, a new explicit alternating minimization algorithm is dev... 详细信息
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alternating minimization differential privacy protection algorithm for the novel dual-mode learning tasks model
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EXPERT SYSTEMS WITH APPLICATIONS 2025年 259卷
作者: Zhao, Pengfei Zhang, Kaili Zhang, Haibin Chen, Haibin Beijing Univ Civil Engn & Architecture Sch Civil & Transportat Engn Beijing 102616 Peoples R China Beijing 2 Middle Sch Beijing 100010 Peoples R China Chinese Acad Sci Acad Math & Syst Sci Beijing 100190 Peoples R China Beijing Univ Technol Dept Operat Res & Informat Engn Beijing 100124 Peoples R China Qufu Normal Univ Sch Management Sci Rizhao 276800 Shandong Peoples R China Ctr Intelligent Multidimens Data Anal Shatin Hong Kong Sci Pk Hong Kong Peoples R China
The privacy-protected algorithm (PPA) is pivotal in the realm of machine learning, especially for handling sensitive data types, such as medical and financial records. PPA enables two distinct operations: data publish... 详细信息
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On the convergence of adaptive first order methods: proximal gradient and alternating minimization algorithms  6
On the convergence of adaptive first order methods: proximal...
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6th Annual Learning for Dynamics and Control Conference
作者: Latafat, Puya Themelis, Andreas Patrinos, Panagiotis Katholieke Univ Leuven Dept Elect Engn ESAT STADIUS Kasteelpark Arenberg 10 B-3001 Leuven Belgium Kyushu Univ Fac Informat Sci & Elect Engn ISEE 744 MotookaNishi-Ku Fukuoka 8190395 Japan
Building upon recent works on linesearch-free adaptive proximal gradient methods, this paper proposes AdaPG(q,r), a framework that unifies and extends existing results by providing larger stepsize policies and improve... 详细信息
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Adaptive Regularized Multichannel Blind Deconvolution Using alternating minimization  5
Adaptive Regularized Multichannel Blind Deconvolution Using ...
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IEEE International Advance Computing Conference (IACC 2015)
作者: James, Soniya Maik, Vivek Paik, Joonki Oxford Coll Engn Dept Elect & Commun Bangalore Karnataka India Chung Ang Univ Image Proc & Intelligent Syst Lab Seoul South Korea
Multichannel blind deconvolution is an ill posed problem where regularizers plays an important role. Adaptive regularization is used to obtain better quality restored image. This adds penalty weighted term along with ... 详细信息
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minimization of multi-penalty functionals by alternating iterative thresholding and optimal parameter choices
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INVERSE PROBLEMS 2014年 第12期30卷 125003-125003页
作者: Naumova, Valeriya Peter, Steffen Simula Res Lab NO-1364 Fornebu Norway Tech Univ Munich Fac Math D-85748 Garching Germany
Inspired by several recent developments in regularization theory, optimization, and signal processing, we present and analyze a numerical approach to multi-penalty regularization in spaces of sparsely represented func... 详细信息
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