Maximum likelihood ICA of quaternion Gaussian vectors.
Javier VíaDaniel P. PalomarLuis VielvaIgnacio SantamaríaPublished in: ICASSP (2011)
Keyphrases
- maximum likelihood
- covariance matrices
- independent component analysis
- independent components
- gaussian distribution
- em algorithm
- parameter estimation
- maximum likelihood estimation
- mixture model
- fourier transform
- expectation maximization
- signal processing
- likelihood function
- gaussian mixture model
- feature vectors
- statistically independent
- additive noise
- face recognition
- principal component analysis
- principal components
- blind source separation
- maximum a posteriori
- independent components analysis
- color texture segmentation
- preprocessing
- computer vision