Text Information Hiding Algorithm Based on Dot-Matrix Character Code
Yang Yu · Computer Systems and Applications · 2010
To address the problem of copyright protection for electronic document content and the poor robustness of watermarking algorithm based on text information,a text information hiding algorithm based on dot-matrix character code is proposed.The hiding information is firstly coded by dot-matrix,and the character has the image characteristic property.Then the coded information is encrypted by a two-value chaotic sequence generated by Logistic system.To hide the information,a slight modification of color is made based on HVS and the encrypted information.Experiments have shown that the algorithm has a better watermarking robustness and better practicability for editor attacking of text concent.