Keyphrases
- watermark embedding
- watermarking scheme
- copyright protection
- digital images
- watermarking algorithm
- watermark detection
- information hiding
- robust image watermarking
- watermarking technique
- data embedding
- data hiding
- jpeg compression
- image authentication
- spread spectrum
- lossy compression
- digital watermarking
- blind watermarking
- tamper detection
- reversible watermarking
- image watermarking
- human visual system
- reverse engineering
- error correction
- fragile watermarking scheme
- secret data
- signal processing
- motion estimation
- secret message
- watermark extraction
- watermarking method
- image quality
- watermarked image
- jpeg images