Modifying material

Details Modifying material Modifying material

2006-09-19

2006-09-19

Mehta, Bhavesh M. (Department: 2624)

Image analysis

Applications

C382S232000, C380S051000

Reexamination Certificate

active

07110566

ABSTRACT:
Material is represented by transform coefficients represented by digital numbers. A method of perceptibly watermarking the material comprises the steps of: changing representations of the said numbers according to an invertible algorithm without changing the number of bits in the said numbers; and encoding the changed n bit numbers to effect compression encoding of the material.

REFERENCES:
patent: 5530759 (1996-06-01), Braudaway et al.
patent: 5809139 (1998-09-01), Girod et al.
patent: 5930369 (1999-07-01), Cox et al.
patent: 6061793 (2000-05-01), Tewfik et al.
patent: 6192138 (2001-02-01), Yamadaji
patent: 6310962 (2001-10-01), Chung et al.
patent: 6341350 (2002-01-01), Miyahara et al.
patent: 6549666 (2003-04-01), Schwartz
patent: WO 97 48084 (1997-12-01), None
patent: WO 99 10837 (1999-03-01), None
Hartung F et al: “Watermarking of uncompressed and compressed video” Signal Processing. European Journal Devoted to the Methods and Applications of Signal Processing, Elsevier Science Publishers B.V. Amsterdam, NL, vol. 66, No. 3, May 28, 1998, pp. 283-301, XP004124953 ISSN: 0165-1684.

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