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。
On unique continuation property for the sub-Laplacian in groups of Heisenberg type;
研究了麦克斯韦方程和波动方程的唯一延拓性质。
This is a VC image processing source code, using Laplacian sharpening edge detection.
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。
Realize the use of Laplacian sharpening realize, have the effect of map, we can look at.
实现了用拉普拉斯实现锐化，有效果图，大家可以看一下。
It is composed of nonsubsampled Laplacian pyramid and nonsubsampled directional filter Banks.
它是由非抽样塔形滤波器组和非抽样方向滤波器组组成。
The Laplacian method searches for zero crossings in the second derivative of the image to find edges.
拉普拉斯算子的方法是在图像的二阶导数搜索零交叉来查找边缘。
Firstly, the source images are decomposed into sub-images at different scales through Laplacian pyramid transform.
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。
To solve this problem we have implemented the texture progressive transmission with the classic Laplacian pyramid.
为解决这个问题用拉普拉斯金字塔算法和哈尔变换算法实现了纹理递进传输。
In this paper, a modified Laplacian mesh generation method improved by additional mesh regulation terms is presented.
提出采用网格调节项来修正拉普拉斯网格生成方法。
There are some classic arithmetic such as partly average algorithm, median filter technology, and Laplacian algorithm.
其经典算法有局部平均法、中值滤波、拉普拉斯算法等。
The experimental results of the advanced Laplacian sharpening algorithm and the common Laplacian sharpening algorithm are compared.
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 Laplacian in the columnar and spherical coordinates is deduced by using the derivative principle of the multivariable functions.
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。
With the method of classifying the mesh vertices, a hybrid algorithm combined weighted median method and Laplacian method was presented.
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。
To obtain a stable solution, in our method, successive approximation process is constrained by prior histogram and laplacian regularization.
为了获得稳定而满意的解，我们采用直方图约束下的正则化方法对连续近似迭代进行约束。
In this paper, we discuss Laplacian smoothing and modified methods, mean curvature flow, PDE method and the smoothing method based on directions.
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。
By using a direct analysis technique, the existence of nonnegative solutions was established for singular semi-positone problems with p-Laplacian.
用纯分析的方法给出了一类单部件可修系统动态非负解的存在唯一性和单调稳定性证明。
The conventional complex diffusion algorithm uses the iterative imaginary part(Laplacian of the Gaussian kernel) to control the diffusion process.
图像的复扩散是图像增强的一种有效方法。
The study of Laplacian matrix is important for graphs 'study because we can estimate many invariants of g, such as connectedness, diameter, bandwidth.
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。
It is obtained from the experimental result that Laplacian sharpening is more valid in image sharpening for infrared image of warship targets in sk...
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。
In this paper we propose so-called coupled 4-point difference schemes for the Laplacian operator over a class of parallel hexagon partitions of the plane.
本文提出平面上拉普拉斯算子在一类平行六边形网格上的成对4点差分格式。
In this paper, the eigenvalues of the normalized Laplacian and the toughness of graphs are studied and the relation of inequality between of them is given.
研究了图的正规拉普拉斯矩阵特征值与图的坚韧度，并给出了它们之间的不等式关系。
To solve this problem we have implemented the texture progressive transmission with the classic Laplacian pyramid algorithm and the Haar transform algorithm.
为解决这个问题用拉普拉斯金字塔算法和哈尔变换算法实现了纹理递进传输。
The results of the tests show that the generalized Gaussian model is better than the Laplacian model in portraying the distribution of the AC DCT coefficients.
检验结果表明，广义高斯模型比拉普拉斯模型更准确地反映了DCT交流系数的分布。
Our results show that the level crossing curvature can cause location error of the Laplacian, particularly when the edges with large curvatures and small gradients.
首先导出了拉普拉斯、二阶梯度方向导数和侧向曲率三者之间的关系式，指出由于侧向曲率的影响，拉普拉斯在检测弯曲边界时必然产生定位误差。
Through searching the local maxima of multi-scale normalized Laplacian filters of the probability distribution image the target is located and its size is determined.
最后通过检测多尺度规范化Laplacian滤波的极值，实现目标的定位和尺寸描述。
The noises of image is effectively suppressed by restricted Laplacian sharpening algorithm. The edges of image after processing are distinct and the details are deserved.
受限拉氏锐化算法有效地控制了图像的噪声，使处理后的图像边缘更加清晰，又保护了图像的细节。
This paper adopts a Laplacian Pyramidal decomposition method to analyze two images, And the decomposed images are fused with the method based on regional features measurement.
利用拉普拉斯金字塔分解算法对图像进行多分辨率分析，对分解后的图像采用基于区域特征量测的方法进行融合。
Our work enrich the Laplacian Eigenmap algorithm theory system. In addition, a new method of estimation intrinsic dimension is proposed, it shows good proved by man-made data.
对拉普拉斯特征映射方法应用领域的拓展起到了推动作用，同时提出一种新的估计本征维数的方法并且通过人造数据的验证说明该方法具有良好的性质。
The algorithm can measure discontinuity of gray values by using Laplacian and adjust automatically gray values according to intensity of response to gray mutation in Laplacian.
该算法利用拉普拉斯微分算子对像素灰度值的不连续性进行量化，根据微分算子对灰度突变的响应强度进行自动调整掩模内的各像素权值。
The algorithm can measure discontinuity of gray values by using Laplacian and adjust automatically gray values according to intensity of response to gray mutation in Laplacian.
该算法利用拉普拉斯微分算子对像素灰度值的不连续性进行量化，根据微分算子对灰度突变的响应强度进行自动调整掩模内的各像素权值。
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