云南高校图书馆联盟文献共享服务平台- LAPLACIAN

LAPLACIAN: 作品数：366被引量：543H指数：9; 导出分析报告; 相关领域：自动化与计算机技术理学更多>>; 相关作者：葛渭高万源黄睿史莹陈晓丽更多>>; 相关机构：浙江大学国防科学技术大学哈尔滨工程大学兰州大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划国家教育部博士点基金更多>>

Evaluating tree branch angle measurements of European beech using terrestrial laser scanning: 《Forest Ecosystems》2025年第2期220-230,共11页Xi Peng Kim Calders Louise Terryn Hans Verbeeck; supported by the Chinese Scholarship Council under Grant 202106910006.; Branch angles are an important plant morphological trait affecting light interception within forest canopies.However,studies on branch angles have been limited due to the time-consuming nature of manual measurements u...; 关键词：Branch angle Measurement methods Quantitative structure models LAPLACIAN Semantic-laplacian Terrestrial laser scanning

Hamiltonian s-properties and(Laplacian)Spreads of k-connected Graphs: 《数学进展》2024年第6期1181-1187,共7页CHEN Hongzhang LI Jianxi SHIU Wai Chee; Supported by NSFC(Nos.12171089,12271235);NSF of Fujian Province(No.2021J02048)。; A graph G possesses Hamiltonian s-properties when G is Hamilton-connected if s=1,Hamiltonian if s=0,and traceable if s=-1.Let S_A(G)=λ_n(G)-λ_1(G)and S_L(G)=μ_n(G)-μ_2(G)be the spread and the Laplacian spread of G...; 关键词：(Laplacian)spread Hamiltonian s-property Laplacian eigenratio k-connected graph

Application of Laplacian Operator on Lightlike Warped Product Hypersurfaces: 《Journal of Applied Mathematics and Physics》2024年第12期4163-4169,共7页Ndayirukiye Domitien Nibaruta Gilbert Karimumuryango Ménédore; The Laplacian of a function measures the difference between the value of the function at a point and its average around that point. It is a differential operator appears in many differential equations describing many ...; 关键词：LAPLACIAN Conformal Screen Manifold Hamonic Function

On the Monotonicity of Q^(3) Spectral Element Method for Laplacian: 《Annals of Applied Mathematics》2024年第2期161-190,共30页Logan J.Cross Xiangxiong Zhang; supported by National Science Foundation DMS-1913120.; The monotonicity of discrete Laplacian, i.e., inverse positivity of stiffness matrix, implies discrete maximum principle, which is in general not true for high order accurate schemes on unstructured meshes. On the oth...; 关键词：Inverse positivity discrete maximum principle high order accuracy MONOTONICITY discrete Laplacian spectral element method

p⁃Laplacian 算子脉冲微分方程在自然语言处理中的应用被引量：1: 《信息记录材料》2024年第6期167-169,共3页卢金花; 福建省中青年教师教育科研项目(科技类)(JAT220428)。; 本文主要阐述了p-Laplacian算子脉冲微分方程在自然语言处理中的应用。利用p-Laplacian算子脉冲微分方程进行文本特征提取,并给出了相应的算法步骤。通过构建文本-词语矩阵、相似性矩阵和拉普拉斯矩阵,并利用脉冲微分方程,可以得到文本...; 关键词：P-LAPLACIAN算子脉冲微分方程自然语言文本特征

基于Laplacian正则和协同训练的抽油井故障诊断方法: 《机电工程技术》2024年第6期216-220,共5页杨浩然袁春华; 辽宁省本科教改优质教学资源建设与共享项目(SBKJGYZ-2021-06)。; 单一视角下部分不同类型的工况样本相似会导致故障诊断准确率不高、无标记样本未被使用等问题,为进一步提高有杆泵抽油井故障诊断准确率,有效利用无标记样本,充分利用示功图和电功率两种数据,采用Laplacian正则和协同训练算法设计了抽...; 关键词：故障诊断协同训练 Laplacian正则抽油井

Parameter-Free Shifted Laplacian Reconstruction for Multiple Kernel Clustering: 《IEEE/CAA Journal of Automatica Sinica》2024年第4期1072-1074,共3页Xi Wu Zhenwen Ren F.Richard Yu; Guangxi Key Laboratory of Machine Vision and Intelligent Control(2022B07);the Open Research Fund from Guangdong Laboratory of Artificial Intelligence and Digital Economy(SZ)(GML-KF-22-04);the Natural Science Foundation of Southwest University of Science and Technology(22zx7101);the National Natural Science Foundation of China(62106209)。; Dear Editor,This letter proposes a parameter-free multiple kernel clustering(MKC)method by using shifted Laplacian reconstruction.Traditional MKC can effectively cluster nonlinear data,but it faces two main challenges...; 关键词：PARAMETER LETTER PARAMETER

Radial solution of the Logarithmic Laplacian system: 《Applied Mathematics(A Journal of Chinese Universities)》2024年第1期114-124,共11页ZHANG Li-hong NIE Xiao-feng WANG Guo-tao Bashir Ahmad; Supported by the National Natural Science Foundation of China(11501342,12001344)。; The paper generalizes the direct method of moving planes to the Logarithmic Laplacian system.Firstly,some key ingredients of the method are discussed,for example,Narrow region principle and Decay at infinity.Then,the ...; 关键词：the Logarithmic Laplacian system radial symmetry the direct method of moving planes

Adaptive Bistable Stochastic Resonance Based Weak Signal Reception in Additive Laplacian Noise: 《China Communications》2024年第1期228-241,共14页Jin Liu Zan Li Qiguang Miao Li Yang; supported in part by the National Natural Science Foundation of China(62001356);in part by the National Natural Science Foundation for Distinguished Young Scholar(61825104);in part by the National Key Research and Development Program of China(2022YFC3301300);in part by the Innovative Research Groups of the National Natural Science Foundation of China(62121001)。; Weak signal reception is a very important and challenging problem for communication systems especially in the presence of non-Gaussian noise,and in which case the performance of optimal linear correlated receiver degr...; 关键词：adaptive bistable stochastic resonance additive Laplacian noise low signal to noise ratio uncorrelated reception scheme weak signal reception

融合同态滤波与MSR算法的低照度船舶图像增强被引量：3: 《舰船科学技术》2024年第1期152-157,共6页饶伟毕振波谭逸柯张迪雅王雨萌; 国家级大学生创新创业训练计划项目(202110340036,202210340064)。; 传统的Retinex算法针对海上低照度船舶图像增强存在图像过度曝光、细节丢失以及边缘模糊等现象。因此,提出一种结合多尺度Retinex和同态滤波的改进算法。首先,对输入图像的RGB三通道利用改进的单参数同态滤波器进行处理,将处理后的图像...; 关键词：低照度船舶图像同态滤波 LAPLACIAN 多尺度RETINEX

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