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检索条件"主题词=fast algorithm"
1072 条 记 录,以下是131-140 订阅
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Effective image registration model using optimized KAZE algorithm
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MULTIMEDIA TOOLS AND APPLICATIONS 2024年 第11期83卷 33959-33984页
作者: Zhang, Sheng Shen, Jie Zheng, Shengnan Tang, Jingjing Hohai Univ Coll Comp & Informat Nanjing 211100 Peoples R China Nanjing Inst Technol Sch Comp Engn Nanjing 211167 Peoples R China
The incompatible problem with velocity and accuracy has been restricting the application of the KAZE algorithm. In order to resolve this shortage, we propose the effective image registration model using the optimized ... 详细信息
来源: 评论
VCNPU: An algorithm-Hardware Co-Optimized Framework for Accelerating Neural Video Compression
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IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS 2024年 第4期33卷 1014-1027页
作者: Zhang, Siyu Mao, Wendong Wang, Zhongfeng Nanjing Univ Sch Elect Sci & Engn Nanjing 210023 Peoples R China Sun Yat Sen Univ Sch Integrated Circuits Shenzhen 518107 Peoples R China
Video compression is essential for storing and transmitting video content. Real-time decoding is indispensable for delivering a seamless user experience. Neural video compression (NVC) integrates traditional coding te... 详细信息
来源: 评论
A fast Time Two-Mesh algorithm for Allen-Cahn Equation
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BULLETIN OF THE MALAYSIAN MATHEMATICAL SCIENCES SOCIETY 2020年 第3期43卷 2417-2441页
作者: Wang, Danxia Du, Qingqing Zhang, Jianwen Jia, Hongen Taiyuan Univ Technol Coll Math Taiyuan 030024 Peoples R China Xiangtan Univ Sch Math & Computat Sci Xiangtan 411105 Peoples R China
In this article, we consider numerical methods for solving Allen-Cahn equation involving strong nonlinearities. A fast algorithm based on time two-mesh (TT-M) finite element (FE) scheme is proposed to overcome the tim... 详细信息
来源: 评论
fast feature selection algorithm for neighborhood rough set model based on Bucket and Trie structures
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GRANULAR COMPUTING 2020年 第3期5卷 329-347页
作者: Benouini, Rachid Batioua, Imad Ezghari, Soufiane Zenkouar, Khalid Zahi, Azeddine Sidi Mohamed Ben Abdellah Univ Fac Sci & Technol Lab Intelligent Syst & Applicat LSIA Fes Morocco
Feature selection is viewed as the problem of finding the minimal number of features from an original set with the minimum information loss. Due to its high importance in the fields of pattern recognition and data min... 详细信息
来源: 评论
Super Fourier analysis: A highly efficient framework for multivariate signal processing
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SIGNAL PROCESSING 2025年 231卷
作者: Li, Tianqi Chen, Nan Peng, Zhike He, Qingbo Shanghai Jiao Tong Univ State Key Lab Mech Syst & Vibrat Shanghai 200240 Peoples R China Ningxia Univ Sch Mech Engn Yinchuan 750021 Peoples R China Natl Univ Singapore Dept Ind Syst Engn & Management Singapore 117576 Singapore
The escalating integration of multi-sensor systems across diverse high-dimensional monitoring areas generates a large amount of large-scale multivariate signals. However, the theoretical foundation of efficient multiv... 详细信息
来源: 评论
fast Second-Order Evaluation for Variable-Order Caputo Fractional Derivative with Applications to Fractional Sub-Diffusion Equations
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Numerical Mathematics(Theory,Methods and Applications) 2022年 第1期15卷 200-226页
作者: Jia-Li Zhang Zhi-Wei Fang Hai-Wei Sun Department of Mathematics University of MacaoMacaoSARChina
In this paper,we propose a fast second-order approximation to the variable-order(VO)Caputo fractional derivative,which is developed based on L2-1σformula and the exponential-sum-approximation *** fast evaluation meth... 详细信息
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A POD based reduced-order local RBF collocation approach for time-dependent nonlocal diffusion problems
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APPLIED MATHEMATICS LETTERS 2025年 160卷
作者: Lu, Jiashu Zhang, Lei Guo, Xuncheng Qi, Qiong Xian Modern Control Technol Res Inst Natl Key Lab Land & Air Based Informat Percept & C Xian 710065 Shaanxi Peoples R China
A fast algorithm based on reduced-order model (ROM) is proposed for unsteady nonlocal diffusion models. It combines proper orthogonal decomposition (POD) approach and collocation method with local radial basis functio... 详细信息
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Acceleration of the frequency-shift demodulation in phase-sensitive OTDR
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MEASUREMENT SCIENCE AND TECHNOLOGY 2024年 第2期35卷 025101-025101页
作者: Pu, Zhengyu He, Haijun Zhou, Yin Jiang, Lin Pan, Wei Yan, Lianshan Southwest Jiaotong Univ Sch Informat Sci & Technol Ctr Informat Photon & Commun Chengdu 611756 Sichuan Peoples R China
The frequency-shift demodulation is a primary demodulation method in phase-sensitive optical time domain reflectometry (phi-OTDR) with intrinsic resistance to interference fading. So far, the least mean squares (LMS) ... 详细信息
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Temporal second-order fully discrete two-grid methods for nonlinear time-fractional variable coefficient diffusion-wave equations
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APPLIED MATHEMATICS AND COMPUTATION 2024年 466卷
作者: Tan, Zhijun Zeng, Yunhua Sun Yat Sen Univ Sch Comp Sci & Engn Guangzhou 510006 Peoples R China Sun Yat Sen Univ Guangdong Prov Key Lab Computat Sci Guangzhou 510275 Peoples R China
This paper proposes a temporal second-order fully discrete two-grid finite element method (FEM) for solving nonlinear time-fractional variable coefficient diffusion-wave equations. The method involves introducing an a... 详细信息
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fast L2-1σ Galerkin FEMs for generalized nonlinear coupled Schrodinger equations with Caputo derivatives
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APPLIED MATHEMATICS AND COMPUTATION 2022年 416卷 126734-126734页
作者: Li, Meng Wei, Yifan Niu, Binqian Zhao, Yong-Liang Zhengzhou Univ Sch Math & Stat Zhengzhou 001 Henan Peoples R China Wuhan Univ Sch Math & Stat Wuhan 430072 Hubei Peoples R China Shanghai Jiao Tong Univ Sch Math Sci Shanghai 200240 Peoples R China Sichuan Normal Univ Sch Math Sci Chengdu 611731 Sichuan Peoples R China
The paper is concerned with the unconditional stability and optimal error estimates of Galerkin finite element methods (FEMs) for a class of generalized nonlinear coupled Schrodinger equations with Caputo-type derivat... 详细信息
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