Information retrieval in digital watermarking.

Digital watermarking, the art of robust information hiding in images, has gained a large interest in both research and industry in the past few years. Every watermarking system has two main parts: watermark embedding and watermark extraction/detection. Previous developments in the theoretical analys...

Full beskrivning

Bibliografiska uppgifter
I publikationen:	IEEE Communications magazine 39, 8 (2001).
Huvudupphovsman:	Hernandez Martin, J.R
Materialtyp:	Artikel
Språk:	English
Ämnen:	Communication theory. Digital watermarking. Efficient watermark detector. Geometrical attacks. Image coding. Industry. Information retrieval. Optimal watermark detector. Research. Robust information hiding. Spread spectrum watermarking. Watermark attacks. Watermark embedding. Watermark extraction/detection. Watermarking system.