6,795,565 Bl * 9/2004 Wendt 382/100
6,804,375 Bl 10/2004 Muratani
6,845,170 Bl 1/2005 Wendt
2002/0076084 Al * 6/2002 Tian et al 382/100
2002/0099943 Al* 7/2002 Rodriguez et al 713/716
2002/0126870 Al 9/2002 Wendt
2002/0157005 Al * 10/2002 Brank et al 713/176
2003/0039376 Al * 2/2003 Stach 382/100
2003/0039377 Al* 2/2003 Rhoads et al 382/100
2003/0081857 Al* 5/2003 Tapson 382/275
2003/0133589 Al* 7/2003 Deguillaume et al 382/100
2004/0187004 Al* 9/2004 Ray et al 713/716
2004/0267533 Al * 12/2004 Hannigan et al 704/273
FOREIGN PATENT DOCUMENTS
WO WO 0211326 2/2002
OTHER PUBLICATIONS
U.S. Appl. No. 60/428,485, filed Nov. 21, 2002, Alattar.
U.S. Appl. No. 60/404,038, filed Sep. 15, 2002, Alattar.
Bender et al., "Techniques for Data Hiding," SPIE vol. 2420, Jan.
1995, pp. 164-173.
Bender et al., "Techniques for Data Hiding," IBM Systems Journal, vol. 35, Nos. 3&4, 1996, pp. 313-336.
Cox et al., "Secure Spread Spectrum Watermarking for Multimedia," NEC Research Institute Technical Report, Dec. 5, 1995, 33 pages.
Kutter, "Watermarking Resisting to Translation, Rotation and Scaling," Proc. of SPIE: Multimedia Systems and Applications, vol. 3528, pp. 423-431, Boston, Nov. 1998.
Matsui et al., "Embedding a Signature to Pictures Under Wavelet Transformation," Transactions of the Institute of Electronics Information and Communication Engineers D-II, vol. J79D-II, No. 6, Jun. 1996, pp. 1017-1024.
Meerwald et al., "A Survey of Wavelet-Domain Watermarking Algorithms," Proc. of SPIE vol. 4314 (2001), pp. 505-516. Ohnishi et al., Embedding a Seal into a Picture Under Orthogonal Wavelet Transform, Proceedings of Multimedia '96, 1996, IEEE, pp. 514-521.
ORuanaidh et al, "Watermarking Digital Images for Copyright Protection," http://www.kalman.mee.tcd.ie/people/jjr/eva_pap. html, Feb. 2, 1996, 8 pages. (Also published Aug. 1996, IEE Proceedings-Vision, Image and Signal Processing, vol. 143, No. 4, pp. 250-256.).
O Ruanaidh, et al., Phase Watermarking of Digital Images. Proc ICIP-96, Lausanne, Switzerland, Sep. 16-19, 1996. p. 239-242. O'Ruanaidh et al., "Rotation, Scale and translation Invariant Digital Image Watermarking," Int. Conf. on Image Proc, Oct. 1997, IEEE, pp. 536-539.
O'Ruanaidh et al., "Rotation, Scale and Lranslation Invariant Spread Spectrum Digital Image Watermarking," Signal Processing 66, May 1, 1998, pp. 303-317.
O'Ruanaidh et al., "Rotation, Scale and Lranslation Invariant Digital Image Watermarking," submitted to Signal Processing, Aug. 21, 1997, pp. 2-19.
Pereira et al., Lemplate Based Recovery of Fourier-Based Watermarks Using Log-Polar and Log—Log Maps, Proc. IEEE Int. Conf. on Multimedia Computing and Systems, 1999, Part vol. 1, pp. 870-874.
Sheng et al., "Experiments on Pattern Recognition Using Invariant Fourier-Mellin Descriptors," Journal of Optical Society of America, vol. 3, No. 6, Jun. 1986, pp. 771-776.
Su et al., "An Image Watermark Scheme to Resist Generalized Geometrical Lransformations," Proc. of SPIE: Multimedia Systems and Applications III, vol. VV08, Boston, USA, Nov. 2000.
* cited by examiner
|
