On The Relation Between Weighted Frequency-Domain Maximum-Likelihood Power Spectral Estimation and the Prefiltered Covariance Extension Approach.
Anders BlomqvistBo WahlbergPublished in: IEEE Trans. Signal Process. (2007)
Keyphrases
- frequency domain
- spectral estimation
- power spectrum
- maximum likelihood
- fourier transform
- spatial domain
- synthetic aperture radar
- space variant
- feature extraction
- sar images
- parameter estimation
- subband
- denoising
- em algorithm
- filter bank
- gaussian mixture model
- expectation maximization
- minimum variance
- signal processing
- covariance matrix
- sar imagery
- wavelet domain
- power spectra
- computer vision
- natural images
- super resolution
- image data
- image processing