Circular harmonic filters for rotation invariant pattern recognition

Adolf W. Lohmann; David Mendlovic

doi:10.1117/12.147853

12 July 1993 Circular harmonic filters for rotation invariant pattern recognition

Adolf W. Lohmann, David Mendlovic

Author Affiliations +

Proceedings Volume 1806, Optical Computing; (1993) https://doi.org/10.1117/12.147853
Event: Topical Meeting on Optical Computing, 1992, Minsk, Belarus

Abstract

The incoherent optical correlator was extended to perform a rotation invariant pattern recognition by using a set of two real-positive filters presenting a single order circular harmonic function.

Citation Download Citation

Adolf W. Lohmann and David Mendlovic "Circular harmonic filters for rotation invariant pattern recognition", Proc. SPIE 1806, Optical Computing, (12 July 1993); https://doi.org/10.1117/12.147853

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