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System and method for character recognitionA character recognition system is disclosed in which each character in a retina, defining a scanning raster, is scanned with random lines uniformly distributed over the retina. For each type of character to be recognized the system stores a probability density function (PDF) of the random line intersection lengths and/or a PDF of the random line number of intersections. As an unknown character is scanned, the random line intersection lengths and/or the random line number of intersections are accumulated and based on a comparison with the prestored PDFs a classification of the unknown character is performed.
Document ID
19810011368
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Hong, J. P.
(JPL California Inst. of Tech., Pasadena, United States)
Date Acquired
September 4, 2013
Publication Date
October 29, 1974
Subject Category
Optics
Report/Patent Number
Patent Number: US-PATENT-3,845,466
Patent Application Number: US-PATENT-APPL-SN-090584
Patent Number: NASA-CASE-NPO-11575-1
Patent Application Number: US-PATENT-APPL-SN-276599
Patent Number: NASA-CASE-NPO-11337-1
Accession Number
81N19896
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-3,845,466|NASA-CASE-NPO-11575-1|NASA-CASE-NPO-11337-1
Patent Application
US-PATENT-APPL-SN-090584|US-PATENT-APPL-SN-276599
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