Alignment system for an optical matched filter correlator

Details Alignment system for an optical matched filter correlator Alignment system for an optical matched filter correlator

1988-07-07

1990-11-20

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

35016213, 364822, 382 42, G06K 976

Patent

active

049724983

ABSTRACT:
As multiple matched filter memories for optical correlators increase in size, their design, fabrication and alignment becomes increasingly complex and critical for proper operation of the optical correlator. The present invention places special alignment targets on the multiple matched filter memory to provide for proper alignment thereof to enable efficient correlator operation.

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Reprinted from Applied Optics, vol. 21, p. 3278, 9/15/82, Real-Time Screen-Aided Multiple-Image Optical Holographic Matched-Filter Correlator.

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