Circularly scanned electronically addressed optical correlator

Details Circularly scanned electronically addressed optical correlator Circularly scanned electronically addressed optical correlator

1991-12-09

1994-07-05

Mai, Tan V.

Boots, shoes, and leggings

382 31, G06E 300

Patent

active

053273702

ABSTRACT:
A system for identifying and determining the orientation and location of multiple objects includes a camera and a mechanism for permitting the camera to scan a scene containing the objects. Objects in the moving scene are identified by optical filtering. Filters representing each of the objects to be identified are stored in a digital image memory, from which they are retrieved as needed, Fourier transformed, and loaded into a spatial light modulator to form a matched filter for an input image modulated and transformed laser beam.

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patent: 5185815 (1993-02-01), Brandstetter
J. Mendelsohn et al., "Digital Analysis of the Effects of Terrain Clutter on the Performance of Matched Filters for Target Identification and Location", 1979, SPIE vol. 186, pp. 190-196.

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