Embedded signature-based authentication by channel statistics using watermarking techniques.
Zhi-Fang YangWen-Hsiang TsaiPublished in: IEEE Workshop on Multimedia Signal Processing (2002)
Keyphrases
- watermarking technique
- digital watermarking
- digital images
- image authentication
- semi fragile
- data hiding
- watermarking algorithm
- watermarking scheme
- copyright protection
- image watermarking
- compressed domain
- digital content
- watermark extraction
- lossy compression
- digital watermark
- spread spectrum
- digital image watermarking
- secret information
- jpeg compression
- watermark detection
- databases
- robust watermarking
- spatial domain
- wavelet transform