TY - CONF T1 - Data Hiding for Copyright Protection of Still Images T2 - Emerging Techniques for Communication Terminals Y1 - 1997 A1 - Juan R. Hernández A1 - Fernando Pérez-González A1 - José M. Rodríguez KW - data-hiding KW - watermarking JF - Emerging Techniques for Communication Terminals PB - ENSEEIHT CY - Tolouse, France ER -