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IJSTR >> Volume 7 - Issue 4, April 2018 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Edge Detection In Images Using Haar Wavelets, Sobel, Gabor And Laplacian Filters

[Full Text]



Samuel Olisa, Ogechukwu Iloanusi, Vincent Chijindu , Mamilus Ahaneku



Edge-detection, Gabor, Laplacian, Sobel, wavelets, Haar, thresholding, image processing.



Edge detection is a fundamental technique that precedes and enables feature understanding in image analysis. It is a very important technique in computer vision. Wavelets, Sobel operators, and Gabor filters have been used extensively in the literature for edge detection in images. Each of these filters has their strengths and limitations. This paper suggests edge detection in images using a combination of Gabor filters, Laplacian filter and Sobel operators which produce better results than using the individual filters.



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