Digital watermarking systems

N Lofgren, PA Seder, BT MacIntosh - US Patent 7,111,168, 2006 - Google Patents
4,597.495 4,672,605 4.675, 746 4,679,068 4,750,173 4,751,571 4, 807031 4,855,725
4,855,827 4,888,798 4,908,836 4,908,873 4,917,500 4.947, 028 4,965.449 4.969, 041 …

Digital watermarking apparatus and methods

TJ Brundage, TF Rodriguez, BT Hannigan - US Patent 7,330,564, 2008 - Google Patents
5.499, 294 5,502,576 5,617,119 5,629,980 5,663,766 5,671,267 5,671,277 5,692,073
5,699.427 5,717,940 5,761,686 5,764,770 5,765,152 5,765, 176 5,771,071 5,772,250 …

Digital watermarking with variable orientation and protocols

KL Levy - US Patent 8,234,495, 2012 - Google Patents
6,233,684 B1 5, 2001 6,240,121 B1* 5/2001 6,249,870 B1 6, 2001 6,272,634 B1 8, 2001
6,285,774 B1 9, 2001 6,332,194 B1 12/2001 6,345,256 B1 2, 2002 6,353,672 B1 3, 2002 …

Digital watermarking apparatus and methods

EE Ellingson, BT Hannigan, TJ Brundage… - US Patent …, 2011 - Google Patents
US7957553B2 - Digital watermarking apparatus and methods - Google Patents
US7957553B2 - Digital watermarking apparatus and methods - Google Patents Digital …

Digital watermarking apparatus and methods

TJ Brundage, TF Rodriguez, BT Hannigan - US Patent 7,164,780, 2007 - Google Patents
US7164780B2 - Digital watermarking apparatus and methods - Google Patents
US7164780B2 - Digital watermarking apparatus and methods - Google Patents Digital …

Digital watermarking apparatus and methods

GB Rhoads, TJ Brundage, TF Rodreguez… - US Patent …, 2006 - Google Patents
5, 1997 9, 1997 11, 1997* 12, 1997 2, 1998 6, 1998 6, 1998 6, 1998 6, 1998 4, 1999* 5,
1999 5, 1999 7, 1999* 8, 1999 8, 1999 9, 1999 11, 1999 11, 1999 11, 1999 12, 1999 T/2000 …

Digital watermarking systems and methods

JF Butler - US Patent 10,217,181, 2019 - Google Patents
US10217181B2 - Digital watermarking systems and methods - Google Patents
US10217181B2 - Digital watermarking systems and methods - Google Patents Digital …

Multiple transform utilization and applications for secure digital watermarking

SA Moskowitz - US Patent 7,035,409, 2006 - Google Patents
4,200,770 A 4, 1980 Hellman et al. 4,218,582 A 8, 1980 Hellman et al. 4.405, 829 A 9, 1983
Rivest et al. 4,424.414 A 1, 1984 Hellman et al. 4,827,508 A 5, 1989 Shear 4,977,594 A 12 …

Coordinated watermarking

R Petrovic, J Zhao, JM Winograd - US Patent 9,547,753, 2017 - Google Patents
4,464,656 4497, 060 4,512,013 4,547,804 4,564,862 4,593.904 4,639,779 4,669,089
4,677.466 4,686,707 4,703,476 4,706,282 4,723,302 4,729,398 4,739,398 4,750,173 …

Layered security in digital watermarking

BA Bradley, BT Hannigan, JK Barr - US Patent 7,519,819, 2009 - Google Patents
6,246,777 B1 6/2001 AgarWal et al. EP 1096429 50001 6,272,634 B1 8/2001 TeW? k et al.
EP 1173001 V2002 6,275,599 B1 8/2001 Adler et al. EP 1209897 5/2002 6,285,775 B1 …