Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 17, 2010
Patent Application Number
11900285
Date Filed
September 10, 2007
Patent Primary Examiner
Patent abstract
A sample surface such as a surface of a wood veneer sheet is illuminated by a dual color light system and electronically scanned with a color line scan camera. The light system provides red and green light fluxes that are incident to a veneer surface from different directions, and corresponding line images associated with the red and green light fluxes are processed by rescaling, linear to log conversion, edge filtering, and/or thresholding to provide binary surface maps associated with veneer surface roughness.
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