Abstract
This paper presents a new edge detector using 5×5 mask, which can reduce noise efficiently but not increase the width of the detected edge which always happens in the case of using the 5×5 window edge detector. Besides, in order to handle the problem that the contrast decreases in the dark region caused by underexposure, this detector uses a self-adjusting threshold, so that it can detect the edge in regions of different grey background correctly
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Genming, C., Baozong, Y. A new edge detector with thinning and noise resisting abilities. J. of Electron.(China) 6, 314–319 (1989). https://doi.org/10.1007/BF02778914
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DOI: https://doi.org/10.1007/BF02778914