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Proceedings Paper

Rotation Invariant Composite Filters
Author(s): Henri H. Arsenault
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Paper Abstract

The Composite filter of Caulfield and Maloney, a linear combination of matched filters, is an optimum estimator in the mean-square sense. Composite filters may be made rotation invariant by using Circular harmonic filters as components. With a finite number of Circular harmonic filters, the output of the composite filter is invariant under rotation of the input only if all Circular harmonic filters have the same order.

Paper Details

Date Published: 16 June 1986
PDF: 6 pages
Proc. SPIE 0613, Nonlinear Optics and Applications, (16 June 1986); doi: 10.1117/12.960418
Show Author Affiliations
Henri H. Arsenault, Universite Laval (Canada)


Published in SPIE Proceedings Vol. 0613:
Nonlinear Optics and Applications
Pochi Yeh, Editor(s)

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