Edge Detection Based on Edge Intensity Accumulation in Scale- Space

doi:10.3969/j.issn.1000-565X.2014.09.011

Journal of South China University of Technology (Natural Science Edition) ›› 2014, Vol. 42 ›› Issue (9): 59-64.doi: 10.3969/j.issn.1000-565X.2014.09.011

• Electronics, Communication & Automation Technology • Previous Articles Next Articles

Edge Detection Based on Edge Intensity Accumulation in Scale- Space

Hu Yue- ming Chen Ze- wu Chen An Gao Hong- xia

Engineering Research Center for Precision Electronic Manufacturing Equipments of the Ministry of Education∥ School of Automation Science and Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China

Received:2014-03-24 Revised:2014-05-27 Online:2014-09-25 Published:2014-08-01
Contact: 胡跃明(1960-)，男，博士，教授，博士生导师，主要从事非线性系统控制、机器视觉及精密电子制造研究． E-mail:auymhu@scut.edu.cn
About author:胡跃明(1960-)，男，博士，教授，博士生导师，主要从事非线性系统控制、机器视觉及精密电子制造研究．
Supported by:
国家“863” 计划项目(2012AA041312);国家科技重大专项(2014ZX02503);国家自然科学基金资助项目(61105081);广东省新兴战略性产业重大专项(2010A081002007)

Abstract

Abstract:

In order to reduce such effects of interference as microscopic structure,noise and weak edge on theimage edge detection and to improve the positional accuracy of the detection,an edge detection method is proposedon the basis of edge intensity accumulation characteristic in scale- space.This method selects the optimal scale oftarget edges by comparing the average edge intensity of target object at different scales,and then filters out all thejamming edges at the optimal scale according to the difference of edge intensity accumulation values of edge pointsin scale- space.Experimental results show that the proposed method can effectively restrain all the above interferenceswith slight smoothing,and thus the stability and positional accuracy of target edges is improved.

Key words: edge, edge intensity, scale, accumulation

CLC Number:

TP391

Hu Yue- ming Chen Ze- wu Chen An Gao Hong- xia. Edge Detection Based on Edge Intensity Accumulation in Scale- Space[J]. Journal of South China University of Technology (Natural Science Edition), 2014, 42(9): 59-64.

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Edge Detection Based on Edge Intensity Accumulation in Scale- Space

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