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Optical Design and Signal Processing for Edge DetectionProperly combining optical design with 3-by-3 element mask reduces number of required computations by factor of as much as 100. Spatial and spatial-frequency responses obtained in system of combination of optical design and signal-processing algorithm. Closely approximate difference-of-Gaussian-function response.
Document ID
19870000452
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Huck, Friedrich O. (NASA Langley Research Center, Hampton, Va.)
Stacy, Kathryn (Computer Sciences Corp.)
Date Acquired
August 13, 2013
Publication Date
October 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 9
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
LAR-13416
Accession Number
87B10452
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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