US Patent 9525802 Enhancing the legibility of images using monochromatic light sources
Patent 9525802 was granted and assigned to Georgetown University on December, 2016 by the United States Patent and Trademark Office.
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Patent abstract
A system and method are described for enhancing readability of document images by operating on each document individually. Monochromatic light sources operating at different wavelengths of light can be used to obtain greyscale images. The greyscale images can then be used in any desired image enhancement algorithm. In one example algorithm, an automated method removes image background noise and improves sharpness of the scripts and characters using edge detection and local color contrast computation.
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Patent Inventor Names
Gideon Frieder0
Jon Parker0
Ophir Frieder0
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US Patent 09525802 Enhancing the legibility of images using monochromatic light sources US Patent 9525802 Enhancing the legibility of images using monochromatic light sources
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Patent Number
095258020
Patent Number
95258020
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Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
095258020
Date of Patent
December 20, 2016
0Patent Application Number
150010270
Date Filed
January 19, 2016
0Official Website
Patent Primary Examiner
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US Patent 09525802 Enhancing the legibility of images using monochromatic light sources
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
09525802
Date of patent
December 20, 2016
Patent application number
15001027
Date Filed
January 19, 2016
Patent primary examiner
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