NASA NTRS · 19910000507
Detection Of Motion With A Phase-Conjugate Mirror
Abstract
Photorefractive image-processing apparatus generates images of rapidly moving objects and suppresses images of stationary and slowly moving objects. Resembles apparatus described in article, "Improved Interferometric Photorefractive Optical Processor", NPO-17773. Principle of operation similar, except system includes two video cameras and instead of transparencies, electro-optical spatial light modulators used to impress image information from video camera on laser beams.
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Cheng, Li-Jen, Liu, Tsuen-Hsi. 1991-10-01. Detection Of Motion With A Phase-Conjugate Mirror. https://ntrs.nasa.gov/citations/19910000507
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