Isao Echizen Hiroshi Yoshiura Yasuhiro Fujii Takaaki Yamada Satoru Tezuka Use of inferential statistics to estimate error probability of video watermarks. 391-399 2005 conf/sswmc/2005 Security, Steganography, and Watermarking of Multimedia Contents db/conf/sswmc/sswmc2005.html#EchizenYFYT05