Simultaneous diagonalisation of the covariance and complementary covariance matrices in quaternion widely linear signal processing.
Min XiangShirin EnshaeifarAlexander E. StottClive Cheong TookYili XiaSithan KannaDanilo P. MandicPublished in: Signal Process. (2018)
Keyphrases
- covariance matrices
- signal processing
- covariance matrix
- fourier transform
- maximum likelihood
- distance measure
- vector space
- gaussian distribution
- gaussian mixture model
- gaussian mixture
- image processing
- pattern recognition
- principal component analysis
- feature vectors
- machine learning
- linear classifiers
- multivariate normal
- sample size
- high dimensional data
- model selection
- optical flow