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On the Canny edge detector (2001)
| Venue: | Pattern Recognition |
| Citations: | 18 - 0 self |
BibTeX
@ARTICLE{Ding01onthe,
author = {Lijun Ding and Ardeshir Goshtasby},
title = {On the Canny edge detector},
journal = {Pattern Recognition},
year = {2001},
volume = {34},
pages = {721--725}
}
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Abstract
The Canny edge detector is widely used in computer vision to locate sharp intensity changes and to nd object boundaries in an image. The Canny edge detector classi es a pixel as an edge if the gradient magnitude of the pixel is larger than those of pixels at both its sides in the direction of maximum intensity change. In this paper we will show that de ning edges in this manner causes some obvious edges to be missed. We will also show how to revise the Canny edge detector to improve itsdetection accuracy. Keywords: Edge detection � Canny edge detector � Zero-crossing edges � Missing edges � Edge accuracy 1
