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Higher-order derivative theories and conformal invariance

✍ Scribed by C. C. Chiang; H. P. Dürr


Book ID
112837594
Publisher
Springer-Verlag
Year
1975
Weight
1016 KB
Volume
28
Category
Article
ISSN
0369-3546

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This paper addresses the problem on how to evaluate various operators used for estimation of derivatives in images. Such operators are extremely commonly used, for instance to detect edges. For bandlimited correctly sampled signals ideal derivative operators are easy to define. For 2D signals the fi