TCSV
2008
13 years 4 months ago
2008
Recently, among various data hiding techniques, a new subset, lossless data hiding, has received increasing interest. Most of the existing lossless data hiding algorithms are, howe...
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...