Robust image watermarking using dihedral angle based on maximum-likelihood detector.
Mohammad HamghalamSattar MirzakuchakiMohammad Ali AkhaeePublished in: IET Image Process. (2013)
Keyphrases
- robust image watermarking
- maximum likelihood
- em algorithm
- expectation maximization
- additive noise
- likelihood function
- parameter estimation
- detection method
- maximum a posteriori
- gaussian mixture model
- maximum likelihood estimation
- gaussian distribution
- hyperparameters
- negative selection algorithm
- detection algorithm
- face detection
- log likelihood function
- three dimensional