A maximum a-posteriori identification criterion for wavelet domain watermarking.
Tek Ming NgHari Krishna GargPublished in: Int. J. Wirel. Mob. Comput. (2009)
Keyphrases
- wavelet domain
- maximum a posteriori
- watermarking algorithm
- generalized gaussian
- map estimation
- denoising
- spatial domain
- markov random field
- wavelet coefficients
- image reconstruction
- multiscale
- wavelet transform
- shift invariant
- image denoising
- maximum likelihood
- discrete wavelet transform
- multiresolution
- em algorithm
- watermark embedding
- human visual system
- bayesian framework
- image watermarking
- prior model
- expectation maximization
- subband
- high frequency
- spread spectrum
- noisy images
- posterior distribution
- energy function
- jpeg compression
- data hiding
- sar images
- frequency domain
- watermarking scheme
- edge preserving
- prior distribution
- image segmentation
- graph cuts
- denoising algorithm
- natural images
- copyright protection
- image processing
- high resolution
- random fields
- three dimensional
- clustering algorithm