A solution to the watermark detection problem based on Bayesian estimation and EM algorithm.
Akio MiyazakiPublished in: EUSIPCO (2009)
Keyphrases
- em algorithm
- bayesian estimation
- expectation maximization
- hidden variables
- posterior distribution
- mixture model
- maximum likelihood
- hyperparameters
- parameter estimation
- gaussian mixture model
- maximum a posteriori
- generative model
- incomplete data
- probability density function
- closed form
- bayesian framework
- latent variables
- gaussian distribution
- image segmentation
- image quality
- probabilistic model
- multiscale