Tatouage Robuste Et Aveugle Dans Le Domaine Des Valeurs Singulieres

Details Tatouage Robuste Et Aveugle Dans Le Domaine Des Valeurs Singulieres Tatouage Robuste Et Aveugle Dans Le Domaine Des Valeurs Singulieres

2010-01-22

arxiv.org/abs/1001.3928v1

JMAITS : Journal Marocain de l'Automatique, de l'Informatique et du Traitement de Signal (2008) 1-15

Computer Science

Cryptography and Security

15 pages

Scientific paper

10.1978/2808

Digital watermarking consists on inserting a mark into an image to protect it against copies. The heaviness of the extraction procedure with the old methods urged us to look for a new algorithm in the singular values domain which would be blind : it does not require the original image to extract the mark. We propose a new robust method which consists on inserting the bits of the mark into the singular values matrix. Contrary to most of the watermarking algorithms, it is blind and the results show that our method is robust against the JPEG compression, the reduction of colors (GIF) and the histogram spreading. So, we were able to obtain PSNR = 49,63 dB.

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