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Discrete-time fractional derivative filters (1-D and 2-D) are shown to
be well approximated from a small set of integer derivatives. A
fractional derivative of arbitrary order (and, in 2-D, of arbitrary
orientation) can therefore be efficiently computed from a linear
combination of integer derivatives of the underlying signal or image.
Bibliographic citation for this report: [plain text] [BIB] [BibTeX] [Refer]
Or copy and paste:
Hany Farid, "Discrete-Time Fractional Differentiation from Integer Derivatives ." Dartmouth Computer Science Technical Report TR2004-528, December 2004.
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