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Proceedings Paper

Circular harmonic filters for rotation invariant pattern recognition
Author(s): Adolf W. Lohmann; David Mendlovic
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Paper 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.

Paper Details

Date Published: 12 July 1993
PDF: 7 pages
Proc. SPIE 1806, Optical Computing, (12 July 1993); doi: 10.1117/12.147853
Show Author Affiliations
Adolf W. Lohmann, Univ. Erlangen-Nuernberg (Germany)
David Mendlovic, Univ. Erlangen-Nuernberg (Germany)


Published in SPIE Proceedings Vol. 1806:
Optical Computing

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