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Edge detection using local histogram analysis

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2 Author(s)
Elmabrouk, A. ; Dept. of Electron. & Electr. Eng., De Montfort Univ., Leicester, UK ; Aggoun, A.

A novel automatic edge extraction algorithm, based on investigation of local histograms of small non-overlapping blocks of the output of the first derivative of a narrow 2D Gaussian filter, is presented. It is shown that the proposed algorithm provides the best trade-off between noise suppression and correct edge localisation

Published in:

Electronics Letters  (Volume:34 ,  Issue: 12 )