Keyphrases
- image watermarking
- public key cryptosystems
- modular exponentiation
- spread spectrum
- elliptic curve
- wireless sensor networks
- geometric distortions
- jpeg compression
- watermarking algorithm
- multimedia
- copyright protection
- lossy compression
- digital watermarking
- discrete wavelet transform
- additive noise
- watermark detection
- digital watermark
- multiresolution