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主要研究冠的拉普拉斯谱。In the present paper, the Laplacian spectrum of coronas was studied.

这是一个VC图象处理源代码，用拉普拉斯锐化进行边缘检测。This is a VC image processing source code, using Laplacian sharpening edge detection.

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实现了用拉普拉斯实现锐化，有效果图，大家可以看一下。Realize the use of Laplacian sharpening realize, have the effect of map, we can look at.

进行匹配的小块是根据参考帧的拉普拉斯变换选取的。These blocks for precise matching were selected by Laplacian transformation of reference image.

其次，阐明了拉普拉斯滤波法在增进SEM象高分辨率上的应用。Second, applications of the Laplacian filter to high-resolution enhancement of SEM images are demonstrated.

在对工程实现中的一些问题进行分析研究后，认为拉普拉斯锐化法是可行的。After some problems about feasibility in realization are analyzed, Laplacian sharpening is considered feasible.

首先，通过拉普拉斯金字塔变换将源图像分解为各级分辨率的子图像。Firstly, the source images are decomposed into sub-images at different scales through laplacian pyramid transform.

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其经典算法有局部平均法、中值滤波、拉普拉斯算法等。There are some classic arithmetic such as partly average algorithm, median filter technology, and Laplacian algorithm.

常数k*▽,即u的拉普拉斯算子，这是什么？u Let me call it constant k times something I will call del squared u, which is also called the Laplacian of u, and what is that?

对普通拉氏锐化算法和受限拉氏锐化算法的处理效果进行比较。The experimental results of the advanced Laplacian sharpening algorithm and the common Laplacian sharpening algorithm are compared.

使用多元复合函数微商法则，导出拉普拉斯算符在柱面坐标系和球面坐标系中表达式。The Laplacian in the columnar and spherical coordinates is deduced by using the derivative principle of the multivariable functions.

应用顶点分类的方法，提出了一种加权均值滤波与拉普拉斯光顺相结合的混合算法。With the method of classifying the mesh vertices, a hybrid algorithm combined weighted median method and Laplacian method was presented.

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为了验证图像内容的真实性，提出了一种基于拉普拉斯金字塔的图像内容认证方法。This paper proposes a technique of image content authentication based on the Laplacian pyramid to verify the authenticity of image content.

最后得出了第七和第八大谱半径并给出了相应的完美匹配树。The seventh and the eighth largest Laplacian radii of the trees with perfect matching are determined and along with the graphs respectively.

一类广义维里拉普拉斯，把在白噪声分析构架中通常定义的维里拉普拉斯作为特殊情形而包含。A class of generalized volterra Laplacian which contains as a special case the ordinary one is defined in the framework of white noise calculus.

在文中，分别讨论了拉普拉斯平滑及其改进算法、平均曲率流、PDE方法及基于方向的平滑算法。In this paper, we discuss Laplacian smoothing and modified methods, mean curvature flow, PDE method and the smoothing method based on directions.

图的拉普拉斯矩阵的定义中揉进了顶点的度，所以拉普拉斯特征值更能反映图的图论性质。The define of the Laplacian matrix of graph has been added the degree of vertices, so the Laplacian eigenvalue can reflect the graph nature even more.

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拉普拉斯矩阵对研究图论之所以重要，是因为可以用其特征值来估计图的诸多不变量，如连通度、直径、带宽等等。The study of Laplacian matrix is important for graphs' study because we can estimate many invariants of G, such as connectedness, diameter, bandwidth.

本文主要研究有固定点数和正的权集合的赋权圈的无号拉普拉斯谱半径，并找出其中无号拉普拉斯谱半径最大的圈。In the paper we determine the weighted cycles with the signless Laplacian matrix in the set of all weighted cycles with order nand positive weight set.

索贝尔算子简单有效，坎尼算法和高斯的拉普拉斯算法能产生较细的边缘。The analyses indicate that the Sobel operator is more simple and effective, the Canny detector and the Gausian's Laplacian algorithm yield thinner edges.