A Maximum a Posteriori Identification Criterion for Wavelet Domain Watermarking.
Ng Tek MingHari Krishna GargPublished in: ICDCS Workshops (2004)
Keyphrases
- wavelet domain
- maximum a posteriori
- watermarking algorithm
- generalized gaussian
- wavelet coefficients
- map estimation
- spatial domain
- markov random field
- wavelet transform
- denoising
- multiscale
- image reconstruction
- maximum likelihood
- multiresolution
- shift invariant
- human visual system
- watermark embedding
- image denoising
- discrete wavelet transform
- bayesian framework
- subband
- prior model
- em algorithm
- energy function
- expectation maximization
- high frequency
- copyright protection
- jpeg compression
- edge preserving
- image watermarking
- posterior distribution
- watermarking scheme
- spread spectrum
- feature selection
- data hiding
- sar images
- prior distribution
- image compression
- higher order
- additive noise
- high quality
- image retrieval
- frequency domain
- natural images
- optical flow