基于斜Haar类变换的图像边缘检测  

Slant-Haar type transform based edge detection.

作　　者：吕敏[1] 施保昌[1] 

机构地区：[1]华中科技大学数学系,武汉430074

出　　处：《计算机工程与应用》2008年第7期66-68,共3页Computer Engineering and Applications

基　　金：国家自然科学基金(the National Natural Science Foundation of China under Grant No.60473015)

摘　　要：图像边缘检测是图像处理和计算机视觉中的基本技术。提出了一种新的基于斜Haar类变换的图像边缘检测方法。实验表明,该算法具有较好的边缘检测能力,不仅方法简单、计算速度快,而且对于处理灰度渐变图像是有优势的。Edge detection is a basic technique in image processing and computer vision.A new algorithm for image edge detection which is based on slant-Haar type transform is presented in this paper.The results of experiments indicate that the algorithm has a good effective ability of image edge detection.The method is not only very＇ simple and has fast computing speed, but also has advantage in processing the picture whose gray changes gradually.

关 键 词：斜Haar类变换 快速算法 边缘检测 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]