Diagonalisation of covariance matrices in quaternion widely linear signal processing.
Min XiangShirin EnshaeifarAlexander StottClive Cheong TookYili XiaDanilo P. MandicPublished in: CoRR (2017)
Keyphrases
- covariance matrices
- signal processing
- covariance matrix
- fourier transform
- maximum likelihood
- gaussian distribution
- distance measure
- gaussian mixture model
- vector space
- linear classifiers
- feature vectors
- gaussian mixture
- image processing
- pattern recognition
- closed form
- principal component analysis
- image segmentation
- machine learning
- riemannian manifolds
- multivariate normal