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AM Reed, RK Sharma - US Patent 8,971,567, 2015 - Google Patents
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M Van Der Veen, AA Kalker - US Patent App. 10/564,295, 2006 - Google Patents
0001. The present invention generally relates to the field of watermarking of media signals
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Digital watermark detection using predetermined color projections

AM Reed, BT Hannigan - US Patent 7,995,790, 2011 - Google Patents
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N Lofgren, PA Seder, BT MacIntosh - US Patent 7,111,168, 2006 - Google Patents
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Method and apparatus for embedding watermarks

V Srinivasan - US Patent 7,460,684, 2008 - Google Patents
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Method and apparatus to detect watermark that are resistant to resizing, rotation and translation

PD Wendt - US Patent 6,865,273, 2005 - Google Patents
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Conditional access using embedded watermarks

R Petrovic, J Zhao, JM Winograd - US Patent 9,323,902, 2016 - Google Patents
Methods, devices and computer program products facilitate conditional access to a content
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Watermark extraction based on tentative watermarks

R Petrovic, V Atti - US Patent 8,615,104, 2013 - Google Patents
Methods, devices and computer program products facilitate 3,406,344 A 10/1968 Hopper
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Watermark payload encryption for media including multiple watermarks

KL Levy - US Patent 8,127,137, 2012 - Google Patents
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Watermarking messaging sessions

MW Brown, R Dutta, MA Paolini - US Patent 7,269,622, 2007 - Google Patents
The present application is related to the following co pending applications, Which are? led
on even date herewith and incorporated herein by reference:(1) US. patent application Ser …