Separate objects moving independently tracked simultaneously. System uses coherent optical techniques to obtain correlation between each object and reference image. Moving objects monitored by charge-coupled-device television camera, output fed to liquid-crystal television (LCTV) display. Acting as spatial light modulator, LCTV impresses images of moving objects on collimated laser beam. Beam spatially low-pass filtered to remove high-spatial-frequency television grid pattern.
Optical Recognition And Tracking Of Objects
NASA Tech Briefs ; 12 , 9
1988-10-01
Sonstige
Keine Angabe
Englisch
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