Digital watermarking

Details Digital watermarking Digital watermarking

1996-11-05

1999-06-22

Cangialosi, Salvatore

Cryptography

By modifying optical image

H04L 902

Patent

active

059150270

ABSTRACT:
Digital watermarking of data, including image, video and audio data, is performed by repeatedly inserting the watermark into subregions or subimages of the data. Similarly, the watermark is repeatedly extracted from the subregions of the data.

REFERENCES:
patent: 4939515 (1990-07-01), Adelson
patent: 5319735 (1994-06-01), Preuss et al.
patent: 5530751 (1996-06-01), Morris
patent: 5530759 (1996-06-01), Braudaway et al.
patent: 5568570 (1996-10-01), Rabbani
patent: 5613004 (1997-03-01), Cooperman et al.
patent: 5636292 (1997-06-01), Rhoads
patent: 5646997 (1997-07-01), Barton
patent: 5659726 (1997-08-01), Sanford, II
patent: 5687236 (1997-11-01), Moskowitz et al.
patent: 5734752 (1998-03-01), Knox
R.G. Van Schyndel et al, "A digital watermark," in Intl. Conf. On Image Processing, vol. 2, pp. 86-90, 1994.
G. Caronni, "Assuring Ownership Rights for Digital Images," in Proc. Reliable IT Systems, VIS '95, 1995.
J. Brassil et al, "Electronic Marking and Identification Techniques to Discourage Document Copying," in Proc. Infocom '94, pp. 1278-1287, 1994.
K. Tanaka et al, "Embedding Secret Information into a Dithered Multi-level Image," in IEEE Military Comm. Conf., pp. 216-220, 1990.
K. Mitsui et al, "Video-Steganography: How to Secretly Embed a Signature in a Picture," in IMA Intellectual Property Project Proc., vol. 1, pp. 187-206, 1994.
Macq and Quisquater, "Cryptology for Digital TV Broadcasting," in Proc. of the IEEE, vol. 83, No. 6, pp. 944-957, 1995.
W. Bender et al, "Techniques for data hiding," in Proc. of SPIE, vol. 2420, No. 40, Jul. 1995.
Koch, Rindfrey and Zhao, "Copyright Protection for Multimedia Data," in Proc. of the Int'l Conf. on Digital Media and Electronic Publishing (Leeds, UK, Dec., 6-8 1994).
Koch and Zhao, "Towards Robust and Hidden Image Copyright Labeling," in Proc. of 1995 IEEE Workshop on Nonlinear Signal and Image Processing (Neos Marmaras, Halkidiki, Greece, Jun. 20-22, 1995.
Zhao and Koch, "Embedding Robust Labels Into Images For Copyright Protection," in Proc. Int. Congr. on IPR for Specialized Information, Knowledge and New Technologies (Vienna, Austria), Aug. 21-25, 1995.
"Digital Copyright: Who Owns What?" NewMedia, Sep. 1995, pp. 38-43.
"Publish and Be Robbed?" New Scientist, Feb. 18, 1995, pp. 32-37.
Kohno et al, "Spread Spectrum Access Methods for Wireless Communications," in IEEE Communications Magazine, Jan. 1995, pp. 58-67, I16.
Campana and Quinn, "Spread spectrum communications," in IEEE Potentials, Apr. 1993, pp. 13-16.
Mowbray and Grant, "Wideband coding for uncoordinated multiple access communication," in Electronics & Communication Engineering Journal, Dec. 1992, pp. 351-361.
Digimarc Overview & "Wired" Magazine article (Jul. 1995 issue)--(Jun. 1995).
A.G. Bors et al., "Image Watermarking Using DCT Domain Constraints", Dept. Of Informatics, University of Thessaloniki.
I.J. Cox et al., "Secure Spread Spectrum Watermarking for Multimedia", NEC Research Institute, Technical Report 95-10.
H.S. Stone, "Analysis of Attacks on Image Watermarks with Randomized Coefficients", NEC Research Institute, May 17, 1996.
F.M. Boland et al., "Watermarking Digital Images for Copyright Protection", Image Processing and its Applications, Jul. 4-6, 1995, Conference Publication No. 410, pp. 326-330.
L. Boney et al., "Digital Watermarks for Audio Signals".
Swanson et al., "Transparent Robust Image Watermarking", Proc. IEEE Int. Conf. On Image Proc. 1996.
J.J.K. O Ruanaidh et al., "Phase Watermarking of Digital Images".
I. Pitas, "A Method for Signature Casting on Digital Images".
C.T. Hsu et al., "Hidden Signatures in Images", ICIP 96 Conf. Proc., Sep. 16-19, 1996.
M. Schneider et al., "A Robust Content Based Digital Signature for Image Authentication", ICIP 96 Conf. Proc., Sep. 16-19, 1996.
S. Roche et al., "Multi-Resolution Access Control Algorithm Based on Fractal Coding", ICIP 96 Conf. Proc., Sep. 16-19, 1996.
K. Hirotsugu, "An Image Digital Signature System with ZKIP for the Graph Isomorphism", ICIP 96 Conf. Proc., Sep. 16-19, 1996.
R.B. Wolfgang et al., "A Watermark for Digital Images".
J.J.K. O Ruanaidh et al., "Watermarking Digital Images for Copyright Protection", EVA 96 Florence, pp. 1-7.
T. Aura, "Invisible Communication", Nov. 6, 1995.
D. Kahn, "Information Hiding--An Annotated Bibliography", Macmillan 1967, Library of Congress catalog No. 63-16109.
Craver et al., "Can Invisible Watermarks Resolve Rightful Ownerships?", IBM Research Report.
Podilchuk et al., "Digital Image Watermarking Using Visual Models", Proc. of EI '97, vol. 3016, Feb. 9-14, 1997.
Cox et al., "A review of watermarking and the importance of perceptual modeling", proc. of EI'97, vol. 3016, Feb. 9-14, 1997.
Watson, "DCT quantization matrices visually optimized for individual images", SPIE, vol. 1913, pp. 202-216.
Ahumada, Jr. et al., "Luminance-Model-Based DCT Quantization for Color Image Compression", SPIE, vol. 1666 (1992), pp. 365-374.
Hartung et al., "Digital Watermarking of Raw and Compressed Video", Systems for Video Communication, Oct. 1996, pp. 205-213.

Affiliated with

Also associated with

Rating

Digital watermarking does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital watermarking, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital watermarking will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1713406