Perceptual differential energy watermarking for H.264/AVC

Authors:
Duyao Wang;Sujuan Huang;Guorui Feng;Shuozhong Wang
Affiliations:
School of Communication and Information Engineering, Shanghai University, Shanghai, People's Republic of China 200072;School of Communication and Information Engineering, Shanghai University, Shanghai, People's Republic of China 200072;School of Communication and Information Engineering, Shanghai University, Shanghai, People's Republic of China 200072;School of Communication and Information Engineering, Shanghai University, Shanghai, People's Republic of China 200072
Venue:
Multimedia Tools and Applications
Year:
2012

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Abstract

This paper presents a novel watermark embedding scheme for H.264/AVC video using a spatio-temporal just-noticeable difference (JND) model, which is based on 4驴脳驴4 DCT blocks. Combined with the proposed JND model, a previous differential energy watermarking (DEW) algorithm is modified for better imperceptibility. Low-density parity-check (LDPC) and spread spectrum are used to enhance robustness of the watermark. The watermarked video has good robustness against common video attacks such as re-compression, additive white Gaussian noise (AWGN), salt-and-pepper noise, Gauss filtering, circular averaging filtering and frame averaging. The watermarked video also has good visual quality due to the introduced JND model.