TY - JOUR T1 - DCT-Domain Watermarking Techniques for Still Images: Detector Performance Analysis and a New Structure JF - IEEE Transactions on Image Processing Y1 - 2000 A1 - Juan R. Hernández A1 - Martín Amado A1 - Fernando Pérez-González KW - data-hiding KW - watermarking VL - 9 N1 - Special Issue on Image and Video Processing for Digital Libraries ER -