@article {uvigo:approaching, title = {Approaching the Capacity Limit in Image Watermarking: A Perspective on Coding Techniques for Data Hiding Applications}, journal = {Signal Processing}, volume = {81}, number = {6}, year = {2001}, note = {Special Section on Information Theoretic Aspects of Digital Watermarking}, month = {June}, pages = {1215{\textendash}1238}, keywords = {data-hiding, watermarking}, author = {Fernando P{\'e}rez-Gonz{\'a}lez and Juan R. Hern{\'a}ndez and F{\'e}lix Balado} }