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一种基于Canny算法的自适应边缘提取方法
引用本文:钟鑫,付俐.一种基于Canny算法的自适应边缘提取方法[J].科学技术与工程,2007,7(16):4067-4069.
作者姓名:钟鑫  付俐
作者单位:北京交通大学理学院,北京,100044
基金项目:国家863计划(2006AA03A139)资助
摘    要:分析了Canny边缘检测算法的性能,针对Canny算法的不足提出了一种改进检测方法。算法根据图像的梯度信息特征,用梯度的熵和标准差能自适应地调整高低阈值,提高了边缘检测的自动化程度。

关 键 词:Canny算法  自适应阈值    标准差
文章编号:1671-1819(2007)16-4067-03
修稿时间:2007-04-27

Adaptive Edge-detection Method Based on Canny Alogrithm
ZHONG Xin,FU Lis.Adaptive Edge-detection Method Based on Canny Alogrithm[J].Science Technology and Engineering,2007,7(16):4067-4069.
Authors:ZHONG Xin  FU Lis
Institution:School of Sciences, Beijing Jiaotong University, Beijing 100044, P. R. China
Abstract:The capability of edge detection using Canny algorithm is analyzed. In order to avoid the defects of Canny algorithm,an improved adaptive edge-detection of Canny algorithm is brought forward.This algorithm atuo-adjusts the high and low threshold value of the edge examination by using gradient entropy and standard deviation accoding to the image edge grads information,so that improves the automaticity of edge-detection.
Keywords:canny algorithm apadtive threshold entropy standard deviation
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