Circular harmonic filters for a rotation-invariant incoherent correlator
Applied Optics, Vol. 31, Issue 29, pp. 6187-6189 (1992)
http://dx.doi.org/10.1364/AO.31.006187
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Abstract
The incoherent optical correlator was extended to perform rotation-invariant pattern recognition by using a set of two real-positive filters presenting a single-order circular harmonic function.
© 1992 Optical Society of America
Citation
Adolf W. Lohmann and David Mendlovic, "Circular harmonic filters for a rotation-invariant incoherent correlator," Appl. Opt. 31, 6187-6189 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-29-6187
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