Keyphrases
- spatial domain
- data hiding
- transform domain
- frequency domain
- wavelet domain
- spread spectrum
- watermarking algorithm
- additive noise
- digital images
- motion estimation
- image watermarking
- log polar
- information hiding
- temporal domain
- watermarking scheme
- watermarking technique
- digital watermarking
- dct domain
- fourier domain
- jpeg images
- image authentication
- watermark detection
- spectral domain
- cover image
- copyright protection
- watermarked image
- multiresolution
- discrete cosine transform
- denoising