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Robust watermark embedding/detection algorithm for H.264 video

[+] Author Affiliations
Guo-Zua Wu

Industrial Technology Research Institute, Opto-Electronics and System Laboratory, Bldg. 78, 195 Sec. 4, Chung Hsing Road, Chutung, Hsinchu?300, Taiwan

National Tsing Hua University, Department of Electrical Engineering, 101 Sec. 2, Kuang Fu Road, Hsinchu?300, Taiwan E-mail: gzw@itri.org.tw

Yi-Jung Wang

Industrial Technology Research Institute, Opto-Electronics and System Laboratory, Bldg. 78, 195 Sec. 4, Chung Hsing Road, Chutung, Hsinchu?300, Taiwan

Wen-Hsing Hsu

National Tsing Hua University, Department of Electrical Engineering, 101 Sec. 2, Kuang Fu Road, Hsinchu?300, Taiwan

J. Electron. Imaging. 14(1), 013013 (Mar. 18, 2005). doi:10.1117/1.1877525
History: Received September 2, 2003; Revised February 3, 2004; Accepted January 3, 2004; Mar. 18, 2005; Online March 18, 2005
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We present a blind watermark embedding/detection algorithm to embed watermarks into H.264’s I pictures. The embedded watermark can survive H.264’s compression attacks with more than a 40:1 compression ratio in I pictures. One pair of predicted discrete cosine transform (DCT) coefficients within the blocks of size 4×4 are used to embed 1-bit watermark information. The embedding locations of DCT coefficients are switched from lower subbands to higher subbands in a predefined order, while the distortions between predicted values and original values are larger than a tolerable bound. With these methods, the embedded watermarks can survive H.264’s compression attacks with good invisibility. © 2005 SPIE and IS&T.

© 2005 SPIE and IS&T

Citation

Guo-Zua Wu ; Yi-Jung Wang and Wen-Hsing Hsu
"Robust watermark embedding/detection algorithm for H.264 video", J. Electron. Imaging. 14(1), 013013 (Mar. 18, 2005). ; http://dx.doi.org/10.1117/1.1877525


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