Techniques of imperceptibly altering the spectrum of a...

Details Techniques of imperceptibly altering the spectrum of a... Techniques of imperceptibly altering the spectrum of a...

2008-04-08

2010-06-29

Moazzami, Nasser (Department: 2436)

Cryptography

Video cryptography

Copy protection or prevention

C380S200000, C380S203000, C726S032000, C386S349000

Reexamination Certificate

active

07747015

ABSTRACT:
Copying of visual images by electronic devices is discouraged by metamerically altering the relative weights of the color components forming the visual images in a manner that is not perceptible to the human eye but which is perceptible in the copy. In a preferred technique, the visual images are represented by more than three primary color components whose relative values are varied in this manner. A primary application is to discourage copying by video cameras of movies displayed on theater movie screens, by causing the copies to contain unacceptable spatial or temporal variations in colors perceived by the human eye.

REFERENCES:
patent: 4914694 (1990-04-01), Leonard et al.
patent: 5680454 (1997-10-01), Mead
patent: 5959717 (1999-09-01), Chaum
patent: 6018374 (2000-01-01), Wrobleski
patent: 6044156 (2000-03-01), Honsinger et al.
patent: 6239818 (2001-05-01), Yoda
patent: 6529600 (2003-03-01), Epstein et al.
patent: 6559883 (2003-05-01), Fancher et al.
patent: 6809792 (2004-10-01), Tehranchi et al.
patent: 7043019 (2006-05-01), Tehranchi et al.
patent: 7386125 (2008-06-01), Bilobrov et al.
patent: 2001/0045992 (2001-11-01), Ogino et al.
patent: 2002/0009000 (2002-01-01), Goldberg et al.
patent: 2002/0168069 (2002-11-01), Tehranchi et al.
patent: 2003/0227442 (2003-12-01), Nishi et al.
patent: 2004/0064702 (2004-04-01), Yu et al.
patent: 2004/0242405 (2004-12-01), Orme
patent: 2032587 (1996-07-01), None
patent: 2347836 (1975-04-01), None
patent: 1372342 (2003-12-01), None
patent: 1 407 065 (1975-09-01), None
patent: 71025288 (1971-07-01), None
patent: S61-221782 (1986-10-01), None
patent: 2000-078387 (2000-03-01), None
patent: 2000-078391 (2000-03-01), None
patent: 2001-008407 (2001-01-01), None
patent: 2001159094 (2001-06-01), None
patent: 2001279140 (2001-10-01), None
patent: 2002-519724 (2002-07-01), None
patent: 2002-314938 (2002-10-01), None
patent: WO 99/67950 (1999-12-01), None
patent: WO 01/01704 (2001-01-01), None
patent: WO 01/33846 (2001-05-01), None
patent: WO 2004/004088 (2004-05-01), None
patent: WO 01/56279 (2004-08-01), None
Japanese Patent Office, “Notification of Reasons for Refusal,” corresponding Japanese Patent Application No. 2004-548514, mailed on Aug. 26, 2008, 8 pages (including translation.).
“Notification of Transmittal of the International Search Report or the Declaration,” from corresponding International Application No. PCT/US03/34116, PCT International Searching Authority (PCT), Jun. 30, 2004, 4 pages.
IPEA/US, “Written Opinion”, mailed in corresponding PCT/US03/34116, dated Aug. 24, 2004, 4 pages.
European Patent Office, “Supplemental Search Report,” mailed in corresponding European application No. EP 03 78 1410 on Jun. 7, 2006, 2 pages.
European Patent Office, Examiner's First Substantial Examination Report, mailed in corresponding European Patent Application No. 03 781 410.0 (publication No. WO 2004/04088A2, cited above) on Dec. 4, 2006, 4 pages.
ISA/PCT, “Notification of Transmittal of International Preliminary Examination Report,” mailed in corresponding International application No. PCT/US03/34116 on Apr. 19, 2005, 4 pages.
Günther Wyszecki et al., “Color Science, Concepts and Methods, Quantitative Data and Formulae,” Second Edition, 2000, pp. ix-xv, 183-212, 554-566.
Guowei Hong, M. Ronnier Luo, Peter A. Rhodes, A Study of Digital Camera Colormetric Characterization Based on Polynomial Modeling, Aug. 24, 1999, Univ. of Derby.
(CIPO) Examiner's Report in Canadian Patent Office mailed in related Canadian Application No. 2,503,835, dated Mar. 10, 2010, 3 pages.
KIPO Office Action mailed in related Korean Application No. 2005-7007393, dated Apr. 8, 2010 with English translation and pending claims, 9 pages.

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