The first 50 years of electronic watermarking
EURASIP Journal on Applied Signal Processing - Emerging applications of multimedia data hiding
Natural Language Watermarking and Tamperproofing
IH '02 Revised Papers from the 5th International Workshop on Information Hiding
Component-based digital watermarking of Chinese texts
InfoSecu '04 Proceedings of the 3rd international conference on Information security
Electronic marking and identification techniques to discourage document copying
IEEE Journal on Selected Areas in Communications
Interword distance changes represented by sine waves for watermarking text images
IEEE Transactions on Circuits and Systems for Video Technology
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Based on the idea of the mathematical expression of a Chinese character and its automatic generation, a novel watermarking technique for Chinese text is presented in this paper. The proposed method embeds the watermarking signals into some Chinese characters with occlusive components by adjusting the size of the closed rectangular regions in these components, so it is totally based on the content. Experiments show that the proposed text watermarking technique is more robust and transparent than the counterpart methods. It will play an important role in protecting Chinese information security such as authenticity, integrality, confidentiality over the Internet.