%0 Conference Paper %B IEEE International Workshop on Multimedia Signal Processing %D 2004 %T Worst case additive attack against quantization-based watermarking techniques %A Jose Emilio Vila-Forcén %A Sviatoslav Voloshynovskiy %A Oleksiy Koval %A Thierry Pun %A Fernando Pérez-González %B IEEE International Workshop on Multimedia Signal Processing %C Siena, Italy %P 135-138 %8 29 Sept - 1 Oct %G eng