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United States of America Patent
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Dec 24, 2013
Grant Date -
Jun 24, 2010
app pub date -
Dec 18, 2009
filing date -
Dec 19, 2008
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Abstract
Mitigation of processing artifacts caused by surfaces with high contrast printing or coloring transitions within a system to compare signatures derived from inherent physical surface properties of different articles to authenticate or validate articles and within a system to generate signatures from inherent physical surface properties of different articles.
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