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Video watermarking in the 3D-DWT domain using quantization-based methods

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1 Author(s)
Patrizio Campisi ; Dip. Elettronica Applicata, Università degli Studi di Roma TRE, Via della Vasca Navale 84, 00146 Roma, Italy. Telephone: + 39.06.55177064, Fax: + 39.06.55177026, Email:

Video watermarking methods operating in the three-dimensional discrete wavelet transform (3D-DWT) domain using quantization-based embedding techniques are here proposed. Specifically, the video sequence is partitioned into spatio-temporal units of fixed length. Then the video shots undergo a three level 3D-DWT. Two embedding methods are here considered: quantization index modulation and rational dither modulation. Finally the inverse 3D-DWT is performed thus obtained the marked video shot. The effectiveness of the proposed methods has been verified experimentally. They guarantee a high mark imperceptibility as well as robustness to attacks such as MPEG2 compression, MPEG4 compression, collusion, transcoding, and frame dropping. Gain attack is also considered

Published in:

2005 IEEE 7th Workshop on Multimedia Signal Processing

Date of Conference:

Oct. 30 2005-Nov. 2 2005