Image analysis – Applications
Reexamination Certificate
2006-12-11
2011-11-22
Azarian, Seyed (Department: 2624)
Image analysis
Applications
C382S250000, C375S240200
Reexamination Certificate
active
08064635
ABSTRACT:
The invention relates to a method of watermarking a data set comprising the steps of:selecting, in the data set, at least one group of two data; andmodifying at least one data of the group.The data is modified such that the difference between the modified data and the other data of the group possibly modified equals a predefined watermarking parameter multiplied by an integer number, called rejection class, associated with the group and equal to the integer nearest to the ratio between the difference between the at least one data and the other data of the group before the modification divided by the watermarking parameter.
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patent: 7822225 (2010-10-01), Alattar
patent: WO 02/085033 (2002-10-01), None
G. Doerr et al.: “A guide tour of video watermarking”, Signal Processing. Image Communication; Elsevier Science Publishers, vol. 18, No. 4, Apr. 2003, pp. 263-282.
P.Campisi et al: “Object-based quality of service assessment using semi-fragil tracing watermarking in mpeg-4 video cellular services” Proceedings 2002 Inter'l Conf. on Image Processing, Sep. 22-25, 2002, IEEE, US, vol. vol. 2 of 3, pp. 881-884.
P. Campisi et al: “Blind Quality Assessment System for Multimedia Communications Using Tracing Watermarking”, IEEE Transactions on Signal Processing, IEEE Service Center, vol. 51, No. 4, Apr. 2003, pp. 996-1002.
Search Report Dated Feb. 19, 2007.
Baudry Séverine
N'guyen Philippe
Naturel Corinne
Azarian Seyed
Navon Jeffrey M.
Shedd Robert D.
Thomson Licensing
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