Motion-sensitive optical correlator using a VanderLugt Correlato

Details Motion-sensitive optical correlator using a VanderLugt Correlato Motion-sensitive optical correlator using a VanderLugt Correlato

1993-04-07

1994-12-27

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

359561, 382 42, G06F 15336, G06K 964

Patent

active

053768078

ABSTRACT:
A new type of optical correlator performs motion detection or background clutter suppression and correlation simultaneously in a single photorefractive crystal, and is useful for moving target identification and tracking and for stationary clutter rejection. The correlation is of the VanderLugt type and the motion detection or background clutter suppression is based on the erasing property of photorefractive crystals.

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