Procedure for marking binary coded data sets

G - Physics – 11 – B

Patent

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Details

G11B 20/10 (2006.01) G11B 23/28 (2006.01) H04N 1/44 (2006.01) H04N 7/30 (2006.01) H04N 7/167 (2006.01)

Patent

CA 2224317

Disclosed is a method of marking binary-coded data sets, especially image data or audio signals, by applying at least one information unit to a data set. The invention is characterised by the generation of a discrete position sequence for the application of information units to the data set to be marked, taking into account data-specific characteristics and using a key; and by the fact that the information unit to be applied is written and read at the positions established in the position sequence in the data set.

L'invention se rapporte à un procédé de marquage d'ensembles de données à codage binaire, en particulier de données d'images ou de signaux audio, par mise en place d'au moins une unité d'information dans un ensemble de données. Le procédé selon l'invention est caractérisé en ce qu'une séquence de position discrète pour la mise en place d'unités d'information dans l'ensemble de données à marquer est générée compte tenu des propriétés spécifiques à l'ensemble de données et au moyen d'une clé, en ce que l'unité d'information à mettre en place est enregistrée et lue dans l'ensemble de données aux positions déterminées par la séquence de position.

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