@conference {spie05:rdm, title = {Ensuring Gain Invariance in High-Rate Data-Hiding}, 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 = {Fernando P{\'e}rez-Gonz{\'a}lez and C. Mosquera and Mauro Barni and Andrea Abrardo}, editor = {Edward J. Delp and Ping W. Wong} }