Wenming Lu Wanqing Li Reihaneh Safavi-Naini Philip Ogunbona A Maximum Likelihood Watermark Decoding Scheme. 1247-1250 2007 ICME http://dx.doi.org/10.1109/ICME.2007.4284883 conf/icmcs/2007 db/conf/icmcs/icme2007.html#LuLSO07