Implementation of level transformations for hiding watermarks in image bit-planes under limited level changes.

Tadahiko Kimoto Implementation of level transformations for hiding watermarks in image bit-planes under limited level changes. 253-256 2005 ICIP (1) http://dx.doi.org/10.1109/ICIP.2005.1529735 db/conf/icip/icip2005-1.html#Kimoto05