查询词典 razor-edge

First, a gradient detecter is used for detecting all localintensity discontinuous points as candidate edge points. Then,all thesecandidate edge points are classified into three kinds of point setsaccording to some classifying rules.

首先，利用梯度检测算子检测出灰度不连续象点作为候选边缘点，其次，按文中提出的若干分类规则，将这些候选点分为三类。

To improve the segmentation effection and efficiency, we fulfill the following work:There is an obvious difference between General Fuzzy Operator and other edge detection which based on edge magnitude.

本文在提高图像分割质量和效率方面做了以下几个方面的工作：基于广义模糊算子法的图像边缘检测与其它基于边缘强度依靠导数的边缘检测法明显不同，具有计算量小，检测到的边缘精度高等特点，但是GFO算法中的关键参数需经验、人为确定，影响了该方法的检测效果，限制了其在实际中的推广应用。

By this way, the edge of background is removed and only the edge of the moving target is left in difference image sequence.

将差分图像中的背景杂波去掉，只剩下运动物体的边缘和高梯度区域，有利于目标的识别。

Next, edge detection using differential operator, edge thinning and connecting are introduced. Model and methods of image segmentation are discussed subsequently.

本文针对图像的灰度和边缘等特征，研究了微分算子边缘检测方法以及边缘细化和连接的算法，给出了图像分割的模型和灰度阈值的简单分割及自动分割方法。

According to the multi-scale propagation characteristic of image edge and noise as well as principle of edge detection using wavelet transforman,an algorithm based on cubic B-spline wavelet and directional derivative is presented.

根据图像边缘及噪声的多尺度传播特性和小波边缘检测的基本原理，提出了一种基于方向导数和三次B样条小波的边缘检测算法。

In this paper, a new edge detection method——method using extremum of first directional derivative is proposed, based upon a general gradient edge model.

文中通过傅里叶变换，在频率域，通过求垂直于边缘的一阶方向导数，并检测其极值点来确定边缘。

Edge lines are extracted automatically from image, by acquiring points of extremum of first directional derivative vertical with edge line with Fourier transform in frequency domain.

同时，参考一阶方向导数的数值来排除一些非边缘点（一阶方向导数的数值为常数者，零也为常数）。

Since the B-spline is a locally supported function, the smoothing formula can be strictly limited in a neighborhood of each point. The smoothing surface defined by the smoothing formula has the same convexity as that of the original image. Secondly, the edge points are detected by either computing the local extremum points of the directional derivative or computing zero-crossing of the second-order directional derivative of the smoothing surface. Finally, an example of an edge detector is given.

针对反卷积视觉模型的病态性，增加了适当的约束，给出了基于低松弛迭代格式的快速自适应滤波算法，对于一个N×N输入图象，由于变换核的局部支撑性质以及低松弛迭代格式的引入，使得快速自适应滤波算法的计算复杂度降为象素个数N〓的线性量阶N〓，就最小二乘算法的复杂性而言，优于不动点迭代算法的O以及基于FFT的预处理共轭梯度算法的O。

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毛片一开始出现女的为男的手淫，菲姐觉得小菜一碟，照做；毛片又出现69式口交，两人都不含糊，照做；接着毛片又出现阴交，两人当然照做；毛片出现了后门交，菲姐看得脸通红，撒娇扭怩说人家怕痛，在锋锋请求、诱惑和激将下勉强照做了。

The method for the point sets selection of point Hough transform and the scan direction for image of searching the point sets were improved by using the geometrical characteristic of the concentric circles:The center of the concentric circles was obtained in the accumulative array firstly,radius was obtained by the mean of distance between the circle center and every edge points afterwards,both the circle center and the edge of the concentric circles were detected accordingly.

利用同心圆的几何特点对点Hough变换边缘点的点组选取方法和搜索点组的图像扫描方向进行了改进：首先由累加阵列确定同心圆的圆心，然后由圆心到各个有效边缘点距离的均值求出半径，从而检测出同心圆的圆心与边缘。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"