图像Canny边缘检测的程序设计


c语言游戏编程题经典100例摘  要
边缘检测是数字图像处理中的重要内容，边缘是图像最基本的特性。在图像边缘检测中，微分算子可以提取出图像的细节信息，景物边缘是细节信息中最具有描述景物特征的部分,也是图像分析中的一个不可或缺的部分。本文详细地分析了目前常用的几种算法，即：Roberts交叉微分算子、Sobel微分算子、Priwitt微分算子和Laplacian微分算子以及Canny算子，用C语
言编程实现各算子的边缘检测，并根据边缘检测的有效性和定位的可靠性，得出Canny算子具备有最优边缘检测所需的特性。
关键词：图像处理，微分算子，Canny算子，边缘检测
                   
Abstract
  Edge detection is the important contents of digital image processing ,and the edge is the most basic characteristics of the  the image edge detection ,differential operator can be used to extract the details of the images,features’edge is the most detailed information describing the characteristics of the features of the image analysis, and is also an integral part of the  article gives the detailed analysis of several algorithms which is commonly used at present,such as Roberts cross-differential operator、Sobel differential operator、Priwitt differential operator、Laplacian differential operator and Canny operator,and we complete with the C language procedure to come ture edge  to the effectiveness of the im
age detection and the reliability of the orientation,we can deduced that the Canny operator have the characteristics which the image edge has.
Keywords: Image processing, Canny operator, differential operator, edge detection

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