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A fourier interpretation of the Frei-Chen edge masks

✍ Scribed by Rae-Hong Park


Book ID
103596856
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
322 KB
Volume
11
Category
Article
ISSN
0167-8655

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Two-dimensional 3 β€’ 3 compass gradient operators are commonly used in the edge detection and usually detect eight compass directional components. In this paper, we present a new interpretation of the relationship between the resulting eight gradient components and the eight intensity values of neigh