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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:Zheng Dou,Peng-Yu Shi,Yun Lin.A Kind of Edge Detection Algorithm with Edge-Preserving Characteristics[J].Journal of Harbin Institute Of Technology(New Series),2013,20(2):86-89.DOI:10.11916/j.issn.1005-9113.2013.02.016.
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A Kind of Edge Detection Algorithm with Edge-Preserving Characteristics
Author NameAffiliation
Zheng Dou Institute of Information and Communications Engineering, Harbin Engineering University, Harbin 150001, China 
Peng-Yu Shi Institute of Information and Communications Engineering, Harbin Engineering University, Harbin 150001, China 
Yun Lin Institute of Information and Communications Engineering, Harbin Engineering University, Harbin 150001, China 
Abstract:
Traditional Sobel algorithm is deeply influenced by Gaussian noise, therefore, before boundary extraction, mean filter should be done. But the filtering process is always over-smooth images’ details of certain directions, so that images’ edges will not be extracted correctly. Aiming at this problem, this paper puts forward a detection algorithm based on edge-preserving characteristics, by matching edge mould of different directions to definite edge preserving directions. Instead of the mean filter process, this algorithm improves the performance of traditional algorithms, and provides the simulation results. The experiment results prove that this algorithm preserves more images’ edge information when canceling noise.
Key words:  variance  measure  image fusion  wavelet transformation  multi-resolution analysis
DOI:10.11916/j.issn.1005-9113.2013.02.016
Clc Number:TP391.9
Fund:

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