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检索条件"主题词=computer algorithms"
3274 条 记 录,以下是1081-1090 订阅
排序:
Underwater image dehazing using joint trilateral filter
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computerS & ELECTRICAL ENGINEERING 2014年 第1期40卷 41-50页
作者: Serikawa, Seiichi Lu, Huimin Kyushu Inst Technol Dept Elect Engn & Elect Fukuoka Japan Japan Soc Promot Sci Tokyo Japan
This paper describes a novel method to enhance underwater images by image dehazing. Scattering and color change are two major problems of distortion for underwater imaging. Scattering is caused by large suspended part... 详细信息
来源: 评论
Primal-dual method for the coupled variational model
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computerS & ELECTRICAL ENGINEERING 2014年 第3期40卷 808-818页
作者: Hao, Yan Xu, Jianlou Bai, Jian Henan Univ Sci & Technol Sch Math & Stat Luoyang 471023 Peoples R China Xidian Univ Dept Math Xian 710071 Peoples R China
Total variation method has been widely used in image processing, however, it produces undesirable staircase effect. Recently, the two-step method has been used to alleviate the staircase effect successfully. Combined ... 详细信息
来源: 评论
Moving Target Positioning Based on a Distributed Camera Network
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MATHEMATICAL PROBLEMS IN ENGINEERING 2014年 第1期2014卷 1-11页
作者: Zhao, Long Liu, Zhen Li, Tiejun Huang, Baoqi Xie, Lihua Beihang Univ Sch Automat Sci & Elect Engn Beijing 100191 Peoples R China Nanyang Technol Univ Sch Elect & Elect Engn Singapore 639798 Singapore
We propose a systematic framework for moving target positioning based on a distributed camera network. In the proposed framework, low-cost static cameras are deployed to cover a large region, moving targets are detect... 详细信息
来源: 评论
HeNLM-LA: a locally adaptive non-local means algorithm based on hermite functions expansion
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PROGRAMMING AND computer SOFTWARE 2014年 第4期40卷 199-207页
作者: Mamaev, N. V. Lukin, A. S. Yurin, D. V. Moscow MV Lomonosov State Univ Fac Computat Math & Cybernet Moscow 119991 Russia
A new noise reduction algorithm HeNLM-LA is proposed. It is a modification of the non-local means algorithm using Hermite functions expansion of pixel neighborhoods. The filtering strength parameter is automatically a... 详细信息
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A Constrained Power Method for Community Detection in Complex Networks
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MATHEMATICAL PROBLEMS IN ENGINEERING 2014年 第1期2014卷 1-6页
作者: Li, Wenye Macau Polytech Inst Taipa Peoples R China
For an undirected complex network made up with vertices and edges, we developed a fast computing algorithm that divides vertices into different groups by maximizing the standard "modularity" measure of the r... 详细信息
来源: 评论
A collapse theorem for holographic algorithms with matchgates on domain size at most 4
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INFORMATION AND COMPUTATION 2014年 239卷 149-169页
作者: Cai, Jin-Yi Fu, Zhiguo Univ Wisconsin Madison WI 53706 USA Jilin Univ Sch Math Jilin Peoples R China Shanghai Jiao Tong Univ Dept Comp Sci & Engn Shanghai 200030 Peoples R China
Holographic algorithms with matchgates are a novel approach to design polynomial time computation. They use Kasteleyn's algorithm for perfect matchings, and more importantly a holographic reduction. The two fundam... 详细信息
来源: 评论
Virtual view synthesis using stereo vision based on the sum of absolute difference
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computerS & ELECTRICAL ENGINEERING 2014年 第8期40卷 236-246页
作者: Zhu, Shiping Li, Zheng Yu, Yang Beihang Univ Sch Instrumentat Sci & Optoelect Engn Dept Measurement Control & Informat Technol Being 100191 Peoples R China
With the development of multimedia, the technology of image and video is growing from 2D to 3D, thus interactivity is going to become a main character of future multimedia technology. Virtual view synthesis, known as ... 详细信息
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Trace Ratio Criterion for Feature Extraction in Classification
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MATHEMATICAL PROBLEMS IN ENGINEERING 2014年 第1期2014卷 1-9页
作者: Li, Guoqi Wen, Changyun Wei, Wei Xu, Yi Ding, Jie Zhao, Guangshe Shi, Luping Tsinghua Univ Dept Precis Instrument Beijing 100084 Peoples R China Nanyang Technol Univ Sch EEE Singapore 639798 Singapore Xian Technol Univ Sch Comp Xian Shaanxi Peoples R China Xi An Jiao Tong Univ Sch Aerosp Xian Shaanxi Peoples R China
A generalized linear discriminant analysis based on trace ratio criterion algorithm (GLDA-TRA) is derived to extract features for classification. With the proposed GLDA-TRA, a set of orthogonal features can be extract... 详细信息
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Bayes Network Based Collaborating Control Algorithm in Active Multicamera Network with Applications to Object Tracking
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MATHEMATICAL PROBLEMS IN ENGINEERING 2014年 第1期2014卷 1-8页
作者: Zhao, Rui Wei, Zhihua Wu, Yan Zhao, Cairong Miao, Duoqian Tongji Univ Dept Comp Sci & Technol Shanghai 201804 Peoples R China Minist Publ Secur Res Inst 3 Shanghai 201204 Peoples R China Tongji Univ Key Lab Embedded Syst & Serv Comp Minist Educ Shanghai 201804 Peoples R China
Intelligent video surveillance network has many practical applications such as human tracking, vehicle tracking, and event detection. In this paper, an active multicamera network framework is designed for human detect... 详细信息
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The Bilevel Design Problem for Communication Networks on Trains: Model, Algorithm, and Verification
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MATHEMATICAL PROBLEMS IN ENGINEERING 2014年 第1期2014卷 1-9页
作者: Tian, Yin Dong, Hong-hui Jia, Li-min Qin, Yong Li, Si-yu Beijing Jiaotong Univ State Key Lab Rail Traff Control & Safety Beijing 100044 Peoples R China Peking Univ Shenzhen Grad Sch Shenzhen 518055 Peoples R China
This paper proposes a novel method to solve the problem of train communication network design. Firstly, we put forward a general description of such problem. Then, taking advantage of the bilevel programming theory, w... 详细信息
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