TY  - RPRT
TI  - Information hiding technique with double phase encoding.
AU  - Sherif Kishk
AU  - Bahram Javidi
PY  - 2002
DO  - 10.1364/ao.41.005462
UR  - https://pubmed.ncbi.nlm.nih.gov/12224768/
ID  - 12224768
ER  -