@conference {acm06zk, title = {Zero-Knowledge watermark detector robust to sensitivity attacks}, booktitle = {ACM Workshop on Multimedia and Security (MMSEC)}, year = {2006}, month = {September}, pages = {97-107}, publisher = {ACM}, organization = {ACM}, address = {Geneva, Switzerland}, keywords = {data-hiding, watermarking, zero-knowledge}, author = {Juan Ram{\'o}n Troncoso-Pastoriza and Fernando P{\'e}rez-Gonz{\'a}lez} }