TY - BOOK AU - Delp Edward J ed. ED - Conference on Watermarking and Multimedia Security ED - Conference on watermarking and multimedia security TI - Security steganography and watermarking of multimedia contents VI: proceedings SN - 0-8194-5209-2 U1 - 5.82 PY - 2004/// CY - Washington PB - SPIE KW - Cryptography KW - Data encryption (Computer science) KW - Data protection KW - Multimedia systems--security measures KW - Watermarks ER -