Tatouage topologique des images numériques

Dans ce travail nous presentons une nouvelle approche pour le tatouage des images numeriques basee sur la topologie des coupes. La technique proposee permet d'incruster une ou plusieurs marques dans une ou plusieurs parties de l'image localisees par un claque topologique contenant les composants connexes d'une coupe choisie. Le schema de tatouage utilise est spatial, additif et a clef secrete. Les experimentations realisees sur une base d'images importante montrent l'efficacite et la robustesse de la technique proposee.

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