Tests of Gaussianity and linearity for random fields using estimated higher order spectra.
J. YuanPublished in: IEEE Trans. Signal Process. (1998)
Keyphrases
- random fields
- higher order
- markov random field
- conditional random fields
- lower order
- high order
- random field models
- parameter estimation
- maximum entropy
- pairwise
- non stationary
- random field model
- textured images
- natural images
- graph cuts
- belief propagation
- gibbs sampler
- energy function
- graphical models
- principal component analysis
- markov random field model
- autoregressive
- pseudo likelihood
- potential functions
- nonparametric density estimation
- partition function
- maximum a posteriori
- image restoration
- probabilistic model
- hidden markov models
- markov models
- image processing
- machine learning