Rotation Invariant Composite Filters

Henri H. Arsenault

doi:10.1117/12.960418

16 June 1986 Rotation Invariant Composite Filters

Henri H. Arsenault

Proceedings Volume 0613, Nonlinear Optics and Applications; (1986) https://doi.org/10.1117/12.960418
Event: O-E/LASE'86 Symposium, 1986, Los Angeles, CA, United States

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.

Citation Download Citation

Henri H. Arsenault "Rotation Invariant Composite Filters", Proc. SPIE 0613, Nonlinear Optics and Applications, (16 June 1986); https://doi.org/10.1117/12.960418

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