Laplacian in the Columnar and Spherical Coordinates;
柱面坐标系和球面坐标系中的拉普拉斯算符
The eigenfunction of Laplacian with the symmetry of tetrahedral group T_d and octahedron group O_h is constructed by representation and character.
运用有限点群的表示和特征,以及第一类边界条件,求得了具有正四面体群T_d和正方体群O_h对称性的拉普拉斯算符的本征函数和本征值,讨论了本征值参数空间的选取范围。
The expression of Laplace operator in rotational ellip soid coordinates is given,and the electric potential is obtained by it in some c ases.
本文给出了旋转椭球坐标系中的拉普拉斯算符的表示式，并用其求解几种情况下旋转椭球的电势
Objective: This paper introduces an edge detection method of blood cell image, which is based on (wavelet transform WT) and( laplace operator LO).
目的:介绍一种基于小波变换和拉普拉斯算子的血液细胞图像边缘识别方法。
For certain initial conditions,we need only calculate their high order Laplace operator,then we can obtain the accurate solution of the initial value problem.
本文提供了一种算法，对某些初始条件，只需计算其高阶拉普拉斯算子，就可以得到方程的显解。
In order to improve the quality of Laplace operator image segmentation at a high real time capability this paper presented a synchronization dimensional structure filter for Laplace operator.
为了在继承拉普拉斯算子高实时性的前提下提高图像分割质量,设计了一个可与拉普拉斯算子差分计算同步进行滤波工作的空间滤波器。
A fourth order partial differential denoising method based on four directional Laplacian operator;
一个基于四方向的拉普拉斯算子的四阶偏微分去噪方法
This paper reviewed three image denoising methods based on PDE such as φ-function,pergence-based PDE and diffusion PDE based on oriented Laplacian operator,and points out that new image denoising method based on complex diffusion can be formed by combining the diffusion equation with free Schrodinger equation.
回顾了3种传统的PDE图像降噪方法,即φ函数、基于散度的PDE和基于拉普拉斯算子的扩散PDE;指出了可将扩散方程与自由薛定锷方程结合,形成新的基于复扩散的图像降噪处理方法。
The operator in parentheses in (3.54) is called the Laplacian operator.
在（3．54）的括号里的算符叫做拉普拉斯算符。
The Deduction of the Representative of Laplace’s Operator in Spherical Coordinate System;
球坐标系中拉普拉斯算符表达式的推导
Laplacian in the Columnar and Spherical Coordinates;
柱面坐标系和球面坐标系中的拉普拉斯算符
gradient and Laplacian operator
梯度和拉普拉斯算子
laplace beltrami operator
拉普拉斯 贝尔特拉米算子
Performances of the Laplacian of Binomial Distribution and the Discrete Laplacian of Gaussian Edge Detection Operators
二项分布——拉普拉斯和离散的高斯——拉普拉斯边缘检测算子的性能
Laplacian of Binomial Distribution--An Edge Detection Operator
二项分布——拉普拉斯边缘检测算子
The Laplace Operator in General Spherically Symmetric Gravitational Fields;
一般球对称引力场中的拉普拉斯算子
Eigenvalues of Laplacian Operator Under Mean Curvature Flow
平均曲率流下拉普拉斯算子的特征值
The Matrices with Signed Generalized Inverses and the Laplacian Eigenvalues of Graphs;
广义逆符号唯一阵与图的拉普拉斯特征值
Extended Laplacian of Gaussian operator for edge detection
高斯-拉普拉斯边缘检测算子的扩展研究
The Image Edge Detection with Laplacian of Gaussian Operator
基于高斯-拉普拉斯算子的图像边缘检测方法
The Research and Realization of Image Sharpening Based on Laplace
基于拉普拉斯算法的图像锐化算法研究和实现
LAPLACIAN OF POLYNOMIAL OPERATOR FOR IMAGE EDGE DETECTION
用于图象边缘检测的拉普拉斯-多项式算子
Invariability of the Order in Some Familiar Operations of Laplace Order;
拉普拉斯序在常用风险运算下的保序性
Study on existence of eigenvalue for sub-laplacian on Heisenberg group
Heisenberg群上的次拉普拉斯算子特征值存在性证明
Research on Image Fusion Algorithm Based on Laplacian Pyramid Transform
基于拉普拉斯金字塔变换的图像融合算法研究
Laplace watershed segmentation based on minimum energy
基于能量最小的拉普拉斯流域分割算法