查询词典 Laplacian

This paper firstly proposed some clarity-evaluation-functions of out-of-focus blurred image,they are the sum of square of gray-level gradient vector module,the sum of Roberts-gradients,and the sum of Laplacian operator.

本文首次提出了用图像灰度梯度向量模方和、Roberts梯度和与拉普拉斯(8邻域微分)算子和作为由于离焦产生的模糊图像的评价函数。

An improved TennenGrad criterion function and an improved Laplace criterion function are proposed for microscopic coarse autofocusing, which use Sobel operators and Laplacian operators to convolve and add together the absolute values of matrix pixels for a image.

提出了使用Sobel算子或Laplace算子做卷积，对图像像素点进行绝对值相加的TennenGrad改进算法，以及Laplace改进算法，和几种已有评价函数进行分析比较。

An improved TennenGrad criterion function and an improved Laplace criterion function are proposed for microscopic coarse autofocusing, which use Sobel operators and Laplacian operators to convolve and add together the absolute values of matrix pixels for a image.

提出了使用Sobel算子或Laplace算子做卷积，对图像像素点进行绝对值相加的TennenGrad改进算法，以及La-place改进算法，和几种已有评价函数进行分析比较。为了判断粗调评价函数的优劣，对评价函数的判断准则进行了逐一分析，并且将平滑性、高效率、强壮性作为最主要的衡量标准。

InSection 2,we give several sufficient conditions for the existence of one solution,multiplesolutions and infinitely many solutions of the Sturm-Liouville bvps via the generalizedpolar coordinates.Then in Section 3,the existence of positive solutions are proved undersuperlinearity,sublinearity and many other conditions by a fixed point theorem in cones.Our results have generalized those in many articles.A detailed discussion of periodic solu-tions of a kind of functional differential equations with high-order Laplacian-like operatorcan be found in Section 4 and this subject has not been studied before.

在第二节，我们定义了一种新的坐标变换-广义极坐标，并利用它讨论了p-Laplacian算子和Laplacian-型算子的Sturm-Liouville边值问题，分别得到了存在一个解、多个解、无穷多个解的多个充分条件；第三节研究p-Laplacian算子的Sturm-Liouville边值问题正解的存在性与多重性，采用的是锥上的不动点定理，全面推广了这一方面已有的结果；对目前研究较少的高维Laplacian-型算子及带有Laplacian-型算子的泛函微分方程的周期解问题，我们在第四节做了一些研究，这也是拓扑方法的一个应用。

To detect cluster Mura, the Laplacian of Gaussian filter is used.

要侦测群聚型瑕疵，我们使用了Laplacian of Gaussian滤波器。

The relationship between the seepage of uncompressible fluid described by the Darcy' s Law and the Laplacian fractals is suggested theoretically.

从理论上说明了达西定理描述的不可压缩流体渗流与Laplace分形的内在联系。

In feature extraction, the performance of the Laplacian of Guassian operators is improved by enhancing the resultant convolved image and calibrating with region-growing algorithm.

在特征提取阶段，我们提出通过对卷积图进行增强和用区域增长方法进行辅助校正的方法来改善轮廓提取的效果。

Repeated eigenvalues occur with high multiplicities in the Laplacian matrices of full binary tree s.

满二叉树的Laplacian矩阵有着高重数的特征值，其中1重复最为频繁。

In this article, a new multigrid method for solving p-Laplacian equations is proposed based on the existing multigrid method: FAS multigrid method and Cascade multigrid method. This method is a combination of Cascade method and a new method named "back" method.

本文主要研究现有的几种求解p-Laplace方程的多重网格方法：FAS多重网格方法和Cascade多重网格法，并在此基础上提出了一种新的求解p-Laplace方程的多重网格方法：Cascade-back方法。

According to the distances, the SPWUG algorithm computed the initial partition of the coarsest graph by extending the Laplacian spectral graph theory from the unweighted undirected graph into the weighted undirected graph.

SPWUG算法借助Laplacian矩阵次小特征值对应的特征向量，刻画了节点间相对距离，将基于非赋权无向图的Laplacian谱理论在图的剖分应用方面扩展到无向赋权图上，实现了对最小图的初始剖分。

Curiosity means no harm. If I were you, I would be grateful that no pranks have befallen you.

好奇心没有错，如果我是你的话，我一定会感激没有什么恶作剧发生在你身上。

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