TY  - BOOK
AU  - Liu,Feng
AU  - Yan,Wei Qi
TI  - Visual cryptography for image processing and security: theory, methods and applications 
SN  - 9783319096438
U1  - 621.388 22
PY  - 2014///
CY  - New york
PB  - Springer
KW  -  Data encryption (Computer science)     Image processing -- Digital techniques.
N1  - Includes bibliographical references and index
ER  -