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《Computer Engineering and Applications》 2004-14
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The Algorithm for Image Edge Detection and Prospect

Ji Hu Sun Jixiang Shao Xiaofang Mao Ling(School of Electronic and Engineering,National University of Defense Technology,Changsha410073)  
The representative algorithms in these days for image edge detection have been presented in this paper.After contrasting and analyzing the advantages and the disadvantages of every algorithm,we place an emphasis on analyzing and illuminating wavelet transform,which is one of the modern signal processing techniques for image edge detection.In order to have a much clearer look at the effect of every algorithm,we give the results of the experiments in which the common algorithms are used to detect image edge of the same standard testing image Lena.At last,we bring forward our viewpoint about the problems the image edge detection technology is facing and where is its developmental direction.
【CateGory Index】: TP391.41
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