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A new CDMA technique for digital image watermarking, enhancing capacity of insertion and robustness

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3 Author(s)
Vassaux, B. ; Lab. LIS, Domaine Univ., Saint Martin d''Heres, France ; Bas, P. ; Chassery, J.-M.

Image watermarking has today a growing success in the community of image processing. Many methods were already proposed making it possible to obtain increasingly more powerful algorithms. The multi-layer method that we propose aims at inserting a non binary message in an image. It is issued from techniques tested in communication, namely spread spectrum techniques and more specifically the CDMA (code division multiaccess). Applied to image watermarking, it makes it possible to insert a more significant payload in an image without degrading it. In addition this method is robust with all the typical image processing attacks : JPEG compression with a quality factor of 50%, collusion, histogram manipulations, average filters

Published in:

Image Processing, 2001. Proceedings. 2001 International Conference on  (Volume:3 )

Date of Conference:

2001