T Brundage - US Patent App. 10/453,876, 2004 - Google Patents
The present invention provides Steganographic embedding techniques. In particular, the present invention provides a Stamper (eg, a rubber Stamp) that includes a Steganographic …
KL Levy, SW Stewart - US Patent 7,706,565, 2010 - Google Patents
The present invention provides data steganographically embedded in multiple channels. The term “channel'in this application is generally used to refer to a mechanism, material or …
GB Rhoads, KL Levy, TJ McKinley - US Patent 8,442,264, 2013 - Google Patents
(65) Prior Publication Data OTHER PUBLICATIONS US 2011 FO194730 A1 Aug. 11, 2011 Aust, D.,“Augmenting Paper Documents with Digital Information in Related US Application …
GB Rhoads - US Patent 7,181,022, 2007 - Google Patents
US7181022B2 - Audio watermarking to convey auxiliary information, and media embodying same - Google Patents US7181022B2 - Audio watermarking to convey auxiliary information, and …
SA Moskowitz - US Patent 7,822,197, 2010 - Google Patents
3,947,825 A 3, 1976 Cassada 3,984,624 A 10/1976 Waggener 3,986,624 A 10/1976 Cates, Jr. et al. 4,038,596 A T. 1977 Lee 4,200,770 A 4, 1980 Hellman et al. 4,218,582 A 8, 1980 …
The present application claims priority from US Provi sional Application 60/380,189, Method and Apparatus for Copy Protection with Copy-Detectable Patterns, having the same …
MM Yeung, BL Yeo - US Patent 6,587,944, 2003 - Google Patents
Fragile watermarking for objects is disclosed. In one embodiment of the invention, a System includes an encoder and a decoder. The encoder encodes a watermark into a object, Such …
WC Hein III - US Patent 6,965,683, 2005 - Google Patents
A watermark embedded in a content (eg, a printed document, digital audio, etc.) includes data that associates the content with a remote store of related data. For example, an image …