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To realize the fast and accurate detection of the edges from the blurry images, the fast multilevel fuzzy edge detection (FMFED) algorithm is proposed. The FMFED algorithm first enhances the image contrast by means of the fast multilevel fuzzy enhancement (FMFE) algorithm using the simple transformation function based on two image thresholds. Second, the edges are extracted from the enhanced image by the two-stage edge detection operator that identifies the edge candidates based on the local characteristics of the image and then determines the true edge pixels using the edge detection operator based on the extremum of the gradient values. Experimental results demonstrate that the FMFED algorithm can extract the thin edges and remove the false edges from the image, which leads to its better performance than the Sobel operator, Canny operator, traditional fuzzy edge detection algorithm, and other multilevel fuzzy edge detection algorithms
Published in:
Signal Processing Letters, IEEE
(Volume:14
,
Issue:
5
)
Date of Publication: May 2007
- Page(s):
- 344 - 347
- ISSN :
- 1070-9908
- INSPEC Accession Number:
- 9409845
- Digital Object Identifier :
- 10.1109/LSP.2006.888087
- Date of Current Version :
- 16 April 2007
- Issue Date :
- May 2007
- Sponsored by :
- IEEE Signal Processing Society
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