Maximum a Posteriori Noise Log-Spectral Estimation Based on First-Order Vector Taylor Series Expansion.
Guo-Hong DingPublished in: IEEE Signal Process. Lett. (2008)
Keyphrases
- maximum a posteriori
- spectral estimation
- power spectrum
- image reconstruction
- markov random field
- map estimation
- taylor series expansion
- maximum likelihood
- synthetic aperture radar
- higher order
- em algorithm
- bayesian framework
- expectation maximization
- minimum variance
- signal processing
- natural images
- frequency domain
- additive noise
- signal to noise ratio
- energy function
- fourier transform
- feature vectors
- graph cuts
- missing data
- image quality
- probability distribution