Hybrid optical correlator

Details Hybrid optical correlator Hybrid optical correlator

1988-05-13

1989-09-26

Arnold, Bruce Y.

Boots, shoes, and leggings

364822, G02B 2742, G06G 900

Patent

active

048695742

ABSTRACT:
A hybrid optical correlator which uses a Fourier plane detector to cause adjustment of an image of an object in scale and orientation so that a matched filter can provide a correlation of the object independent of scale and orientation.

REFERENCES:
patent: 3689772 (1972-09-01), George et al.
patent: 4715683 (1987-12-01), Gregory et al.
patent: 4809340 (1989-02-01), Mersereau
"Hybrid optical-digital pattern recognition", Merkle et al, Applied Optics, ol. 23, #10, 15 May 1984.
"Automatic Pattern Recognition", by Nicholas George 1984, cover sheet and p. 35.
"Signal Detection By Complex Spatial Filtering", by A. Vander Lugt, IEEE Apr. 1964, pp. 139-145.

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