Speeding up Kriging through fast estimation of the hyperparameters in the frequency-domain.
J. H. S. de BaarRichard P. DwightHester BijlPublished in: Comput. Geosci. (2013)
Keyphrases
- frequency domain
- hyperparameters
- model selection
- spatial domain
- fourier transform
- cross validation
- frequency analysis
- closed form
- support vector
- prior information
- bayesian inference
- cross correlation
- power spectrum
- em algorithm
- random sampling
- maximum likelihood
- incomplete data
- bayesian framework
- parameter estimation
- maximum a posteriori
- denoising
- feature extraction
- noise level
- subband
- incremental learning
- fourier analysis
- multiscale
- missing values
- image reconstruction
- regularization parameter
- prior knowledge
- image processing
- power spectra