Keyphrases
- image watermarking
- image compression
- dct coefficients
- jpeg compression
- discrete cosine transform
- watermarking algorithm
- lossy compression
- geometric distortions
- discrete wavelet transform
- additive noise
- copyright protection
- dct domain
- spatial domain
- motion compensated
- transform domain
- compression ratio
- digital watermarking
- watermarking technique
- multiresolution
- wavelet transform
- subband
- lossless compression
- feature extraction