Chong Chen Jiangqun Ni Jiwu Huang Temporal Statistic Based Video Watermarking Scheme Robust against Geometric Attacks and Frame Dropping. 81-95 2009 IWDW http://dx.doi.org/10.1007/978-3-642-03688-0_10 conf/iwdw/2009 db/conf/iwdw/iwdw2009.html#ChenNH09