@conference {mmsp04:rdm, title = {Rational Dither Modulation: a novel data-hiding method robust to value-metric attacks}, booktitle = {IEEE International Workshop on Multimedia Signal Processing}, year = {2004}, month = {29 Sept - 1 Oct}, pages = {139-142}, address = {Siena, Italy}, keywords = {data-hiding, watermarking}, author = {Fernando P{\'e}rez-Gonz{\'a}lez and Mauro Barni and Andrea Abrardo and C. Mosquera} }