Data Hiding Techniques for Printed Binary Images
ITCC '01 Proceedings of the International Conference on Information Technology: Coding and Computing
Data hiding in hard-copy text documents robust to print, scan and photocopy operations
ICASSP '09 Proceedings of the 2009 IEEE International Conference on Acoustics, Speech and Signal Processing
Data hiding in binary image for authentication and annotation
IEEE Transactions on Multimedia
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We propose an approach for embedding of imperceptible hidden data into printed text document with ability to extract this data during scanning. Our approach is based on intrusion of cluster of small black dots (patterns) with predefined positional-independent structure into the document. Such intrusion will not visibly deteriorate document itself. Proposed multiple duplications of embedded information and statistical approach during hidden message extraction provide method with high immunity against document modification or noise.