Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hervé Le Floch0
Date of Patent
July 8, 2008
0Patent Application Number
107356590
Date Filed
December 16, 2003
0Patent Primary Examiner
Patent abstract
The invention concerns a method of inserting a message in an image, the message comprising binary symbols which are each referenced by an index, characterized in that it comprises, for a coefficient (Yn) of the image, the steps of:determining (E9) a watermarked value (Y′n) of the coefficient, according to the binary value (b) of a symbol of the message and according to the index (i) of the symbol,inserting (E11) the watermarked value in place of the value of the coefficient.
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