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A recursive color image edge detection method using Green's function approach
Authors:Zahra Zareizadeh  Reza P.R. HasanzadehGholamreza Baghersalimi
Affiliation:Department of Electrical Engineering, University of Guilan, Rasht, Iran
Abstract:In this paper, an extended version of image edge detector using Green's function approach is proposed for detection of edges in the color vector space field. In the proposed method, the relationship between the Red, Green and Blue components is considered to design a differential operator for detection of edges in color images. By using the proposed operator, partial derivatives of all components of color image can simultaneously affect on the edge detection process. Therefore the proposed method can preserve the vector nature of color images during the edge processing stages. Also, the proposed method is compared both quantitatively and qualitatively with other color edge detectors. Experimental results show that the proposed method can efficiently preserve the edges even when the color images corrupted with different levels of noise.
Keywords:Color image   Edge detection   Vector differential   Green's function.
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