%0 Conference Paper %B Workshop on Nonlinear Signal and Image Processing %D 1999 %T Novel Detector Structures for Watermark Extraction in the DCT Domain %A Juan R. Hernández %A Martín Amado %A Fernando Pérez-González %K data-hiding %K watermarking %B Workshop on Nonlinear Signal and Image Processing %I IEEE-EURASIP %C Antalya, Turkey %8 June %G eng