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Fuzzy edge detection based on pixel's gradient and standard deviation values

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3 Author(s)
Wafa barkhoda ; Department of Computer, University of Kurdistan, Sanandaj, Iran ; Fardin Akhlaqian Tab ; Om-Kolsoom Shahryari

This paper presents a new fuzzy based edge detection algorithm. Each different edge detection method has its own advantages and disadvantages. For example each method detects part of real edges and also some unreal edges. To reduce this effect we have used two different source of information and a fuzzy system to decide about whether each pixel is edge or not. First both gradient and standard deviation values are computed, form two set of edges, utilized as inputs for our fuzzy system. Then fuzzy system decides on each pixel according to fuzzy rules. Finally we have compared results of the proposed algorithm with other algorithms such as Sobel, Robert, and Prewitt. Experimental results show the ability and high performance of proposed algorithm.

Published in:

2009 International Multiconference on Computer Science and Information Technology

Date of Conference:

12-14 Oct. 2009