Open AccessA Data Hiding Technique using Block-DCT
Author(s) -
Rosemary Koikara,
Mausumi Goswami
Publication year - 2015
Publication title -
international journal of engineering research and technology
Language(s) - Uncategorized
Resource type - Journals
ISSN - 2278-0181
DOI - 10.17577/ijertv4is080119
Subject(s) - discrete cosine transform , block (permutation group theory) , computer science , information hiding , artificial intelligence , mathematics , image (mathematics) , geometry