@conference {spie05:wca,
	title = {Worst case additive attack against quantization-based data-hiding methods},
	booktitle = {Security, Steganography, and Watermarking of Multimedia Contents},
	series = {Proc. of SPIE},
	volume = {5306},
	year = {2005},
	month = {January},
	pages = {592-601},
	publisher = {SPIE},
	organization = {SPIE},
	address = {San Jose, California, USA},
	keywords = {data-hiding, watermarking},
	author = {Jose Emilio Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Fernando P{\'e}rez-Gonz{\'a}lez and Thierry Pun},
	editor = {Edward J. Delp and Ping W. Wong}
}
@conference {mmsp04:worstcase,
	title = {Worst case additive attack against quantization-based watermarking techniques},
	booktitle = {IEEE International Workshop on Multimedia Signal Processing},
	year = {2004},
	month = {29 Sept - 1 Oct},
	pages = {135-138},
	address = {Siena, Italy},
	author = {Jose Emilio Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Thierry Pun and Fernando P{\'e}rez-Gonz{\'a}lez}
}
