边缘算子

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 algorithm idea of edge detection of gray scale images,with the aid of differential operator and through convolution,two algorithmsof segmentingcolor images are put forward.

主要根据灰度图像的边缘检测算法思想，借助空域微分算子，通过卷积提出了基于边缘的两种彩色图像分割算法。

According to the requests of packaged granary grain quantity intelligent reckoning, took the actual scene video as the analysis object, and used the dual threshold canny operator and the morphology processing method to extract the grain bag characteristic outline-counter-band of light boundary.

摘 要：针对袋装粮数量智能测算的要求，以实际场景视频图为分析对象，在对典型边缘检测算法实验结果分析的基础上，采用双阈值canny边缘检测算子和形态学处理的方法提取粮袋特征轮廓——反光带的边界。

The experiment results show that the edge detection algorithm has a good performance of noise reduction compared with traditional edge detectors, and the detected edge is smooth.

实验的结果表明，本文提出的形态学边缘检测算法，与传统的边缘检测算子相比，具有较好的抗噪性，并且检测出的边缘平滑性好，特征清晰。

According to the feature, the blurred edge of the target in the superposition region can be detected, and the target edge parallel to the motion blur direction is detected by a Canny operator.

基于该灰度变化特征检测运动模糊方向上的目标边缘，并利用Canny算子检测平行于模糊方向的边缘，两部分边缘进行求或运算并进行形态学处理，从而分割得到完整的目标模糊图像。

Firstly,a fuzzy Kohonen clustering network is trained with some feature vector consist of the three component vectors,and then the edge points in a new image are directly extracted by using the trained FKCN.

1引言边缘检测是一种重要的图像预处理技术，一直受到研究者的重视。其中，经典的边缘检测方法中最具代表性的有Marr-Hildreth边缘检测理论[1]、Canny最优算子[2]。

Most traditional algorithms of image edge detection use gradient maximum or zero-crossing based on gray discontinuousness on edge. They are affected easily by noise.

传统的边缘检测算子大都基于边缘的灰度不连续性，利用梯度局部最大值或二阶导数过零点来检测边缘，容易受噪声干扰。

Mostly, traditional arithmetic of image edge detection distill edge using gradient maximum or zero-crossing which bases on gray discontinuousness on edge, and it is affected easily by noise.

传统的边缘检测算子大都是基于边缘的灰度不连续性利用梯度局部最大值或二阶导数过零点来检测边缘，容易受噪声干扰。

Mostly, traditional arithmetic of image edge detection distill edge using gradient maximum or zero-crossing which base on gray discontinuousness on edge.

传统的边缘检测算子大都是基于边缘的灰度不连续性利用梯度局部最大值或二阶导数过零点来检测边缘，容易受噪声干扰。

sobel operator is one of common image fringe detection techniques, using image element's left and right, top and bottom neighborhood field's ash degree weighting algorithm, basing on the principle of reaching extremum at the fringe dot, we carry through fringe detection.

sobel算子是图像边缘检测中常用的方法之一，利用像素的左、右、上、下邻域的灰度加权算法，根据在边缘点处达到极值这一原理进行边缘检测。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。