Lossless recovery of an original image containing embedded data

Patent 6278791 Issued on August 21, 2001. Estimated Expiration Date:

May 7, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Method and apparatus for embedding authentication information within digital data
Patent #: 5646997
Issued on: 07/08/1997
Inventor: Barton

Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
Patent #: 5881176
Issued on: 03/09/1999
Inventor: Keith, et al.

Method and apparatus for embedding authentication information within digital data
Patent #: 5912972
Issued on: 06/15/1999
Inventor: Barton

Compression/decompression using reversible embedded wavelets
Patent #: 5966465
Issued on: 10/12/1999
Inventor: Keith, et al.

Integrated three-tier application framework with automated class and table generation
Patent #: 6085198
Issued on: 07/04/2000
Inventor: Skinner, et al.

Photographic imaging system incorporating metadata recording capability Patent #: 6180312
Issued on: 01/30/2001
Inventor: Edwards

Inventors

Application

No. 074282 filed on 05/07/1998

US Classes:

382/100, APPLICATIONS128/922, Including image analysis430/140PRODUCT HAVING SOUND RECORD OR PROCESS OF MAKING

Examiners

Primary: Boudreau, Leo H.
Assistant: Choobin, M B

Attorney, Agent or Firm

Dugas; Edward, Shaw; Stephen H.

International Class

G06K 009/00

Abstract

The method and system embeds digital meta-data into an original image in such a way that the meta-data can be completely removed at a later time to allow loss less recovery of the original image. The loss less recovery of the original image allows for a digital signature of the image to be embedded in the image itself and later recovered and used to verify the authenticity of a received image.

Other References

U.S. application No. 08/565,804, Daly et al., filed Nov. 30, 1995
U.S. application No. 08/596,818, Daly, filed Feb. 5, 1996
U.S. application No. 08/768,679, Honsinger, et al., filed Dec. 18, 1996
U.S. application No. 08/848,112, Honsinger, et al., filed Apr. 28, 1997
U.S. Department of Commerce, Technology Administration, National Institute of Standards and Technology, Federal Information Processing Standards Publication (FIPS) No. 180, "Secure Hash Standard," May 11, 1993, pp. 1-20
Bruce Schneier, "Applied Cryptography, Second Edition, protocols, Algorithms, and Source Code in C," 1996, Chapter 16, pp. 369-395, plus Errata
William K. Pratt, "Digital Image Processing," Second Edition, pp. 196-20