MPEG-4 AVC stream watermarking by m-QIM techniques

M. Hasnaoui; M. Belhaj; M. Mitrea; F. Preteux

doi:10.1117/12.876282

17 February 2011 MPEG-4 AVC stream watermarking by m-QIM techniques

M. Hasnaoui, M. Belhaj, M. Mitrea, F. Preteux

Proceedings Volume 7881, Multimedia on Mobile Devices 2011; and Multimedia Content Access: Algorithms and Systems V; 78810L (2011) https://doi.org/10.1117/12.876282
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States

Abstract

The present paper is devoted to the MPEG-4 AVC (a.k.a. H.264) video stream protection by means of watermarking techniques. The embedding process is carried out on quantized index domain and relies on the m-QIM (m-arry Quantisation Index Modulation) principles. In order to cope with the MPEG-4 AVC peculiarities, the Watson's perceptual model is reconsidered and discussed. The experimental results correspond to the MEDIEVALS (a French National Project) corpus of 4 video sequences of about 15 minutes each, encoded at 512kbps. The transparency is assessed by both subjective and objective measures. The transcoding (down to 64kbps) and geometric (StirMark) attacks result in BER of 6.75% and 11.25%, respectively. In order to improve robustness, an MPEG-4 AVC syntax-driven counterattack is considered: this way, the two above mentioned attacks lead to BER of 2% and 10%, respectively. Finally, the overall theoretical relevance of these results is discussed by estimating the related channel capacities.

Citation Download Citation

M. Hasnaoui, M. Belhaj, M. Mitrea, and F. Preteux "MPEG-4 AVC stream watermarking by m-QIM techniques", Proc. SPIE 7881, Multimedia on Mobile Devices 2011; and Multimedia Content Access: Algorithms and Systems V, 78810L (17 February 2011); https://doi.org/10.1117/12.876282

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