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
On Estimation of Secret Message Length in JSteg-like Steganography
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 4 - Volume 04
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
Authorship Proof for Textual Document
Information Hiding
Chinese text watermarking based on occlusive components
Proceedings of the 2006 International Conference on Privacy, Security and Trust: Bridge the Gap Between PST Technologies and Business Services
A reversible information hiding scheme using left-right and up-down chinese character representation
Journal of Systems and Software
Steganography via running short text messages
Multimedia Tools and Applications
Content-Based information security technique for chinese text
FSKD'06 Proceedings of the Third international conference on Fuzzy Systems and Knowledge Discovery
A compression-based text steganography method
Journal of Systems and Software
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According to the types of the host media, digital watermarking may be classified mainly as image watermarking, video watermarking, audio watermarking, and text watermarking. The principle of the three watermarking research fields are similar in that they make use of the redundant information of their host media and the characteristics of human video system or human audio system. Unfortunately, text has no redundant information. Text watermarking techniques are totally different from them. And text watermarking algorithm is very difficult to satisfy the requirements of transparence and robustness. In this paper, a novel text watermarking algorithm based on the thought of the mathematical expression will be presented. Since watermarking signals are embedded into some Chinese characters that can be divided into left and right components, this algorithm is totally based on the content. Therefore, it breaks through the difficulties of text watermarking. Experiments also show that the component-based text watermarking technique is relatively robust and transparent. It will play an important role in protecting the security of Chinese documents over Internet.