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Liquid-Crystal Optical CorrelatorOptical correlator uses commercially-available liquid-crystal television (LCTV) screen as spatial light modulator. Correlations with this device done at video frame rates, making such operations as bar-code recognition possible at reasonable cost. With further development, such correlator useful in automation, robotic vision, and optical image processing.
Document ID
19890000110
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Liu, Hua-Kuang (Caltech)
Date Acquired
August 13, 2013
Publication Date
March 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 3
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
NPO-16750
Accession Number
89B10110
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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