2 search results - page 1 / 1 » Data hiding in hard-copy text documents robust to print, sca... |
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
This paper describes a method for hiding data inside printed text documents that is resilient to print/scan and photocopying operations. Using the principle of channel coding with...
SIBGRAPI
2007
IEEE
13 years 10 months ago
2007
IEEE
This paper presents a data hiding technique for printed bicolor documents. It inserts tiny dots, hardly noticeable at normal reading distance, to embed the message. For message ex...