A New Edge Detection Algorithm Based on Improved Median Filter and Mathematical Morphology

doi:10.3969/j.issn.1006-2475.2011.08.016

Computer and Modernization ›› 2011, Vol. 1 ›› Issue (8): 57-59,6.doi: 10.3969/j.issn.1006-2475.2011.08.016

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A New Edge Detection Algorithm Based on Improved Median Filter and Mathematical Morphology

LIU Gao-sheng, MA Xiao-san, WANG Pei-zhen

School of Electrical Engineering & Information, Anhui University of Technology, Ma'anshan 243002, China

Received:2011-06-09 Revised:1900-01-01 Online:2011-08-10 Published:2011-08-10

Abstract

Abstract: Edge detection of noise image is not ideal, so a combined edge detecting algorithm based on improvement of median filter and mathematical morphology is proposed. First of all, the new method uses the improved median filter to reduce noise, and then employs the mathematical morphology to edge detection. The whole process is simulated with Matlab and the results show that the noise can be suppressed effectively, edge details are protected well, the precision of detection is improved evidently, and the detected edge is clear and smooth by using the proposed algorithm.

Key words: improved median filter, mathematical morphology, edge detection

CLC Number:

LIU Gao-sheng;MA Xiao-san;WANG Pei-zhen. A New Edge Detection Algorithm Based on Improved Median Filter and Mathematical Morphology[J]. Computer and Modernization, 2011, 1(8): 57-59,6.

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A New Edge Detection Algorithm Based on Improved Median Filter and Mathematical Morphology

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