Yuewei Dai Jinwei Wang Guangjie Liu Optimum Decoder for Barni's Multiplicative Watermarking Based on Minimum Bayesian Risk Criterion. 911-915 2008 ICNSC http://dx.doi.org/10.1109/ICNSC.2008.4525346 conf/icnsc/2008 db/conf/icnsc/icnsc2008.html#DaiWL08