Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Noriyuki Hiraoka0
Date of Patent
August 28, 2012
Patent Application Number
12596211
Date Filed
April 20, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
An imaging means captures a color image of lumber. An image processing means obtains the color distribution of the color image captured by the imaging means, compares the obtained color distribution with a predetermined color distribution of normal lumber, judges the obtained color distribution as an abnormal one when it is deviated from the color distribution of normal lumber by a predetermined value or more, and detects a defect of the lumber having the abnormal color distribution deviated by a value larger than the predetermined value in an area on the surface of the lumber captured by the imaging means.
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