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A digital watermark scheme using bits operation

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5 Author(s)
Yuan-Chen Liu ; Graduated Inst. of Comput. Sci., Nat. Taipei Teachers Coll., Taiwan ; Tsung-Han Tsai ; Wen-Liang Hung ; Ssu-Hua Huang
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The work presents the design of a digital watermark scheme based on DCT; it has the advantages of imperceptibility and robustness achieved by grouping every watermark bit in a group and changing only one coefficient each time in turn. The simulation result shows that the performance of the proposed algorithm is better than that of other algorithms.

Published in:

Consumer Electronics, 2005. ICCE. 2005 Digest of Technical Papers. International Conference on

Date of Conference:

8-12 Jan. 2005