Facial expression recognition using ELBP based on covariance matrix transform in KLT.
Min GuoXiaohong HouYuting MaXiaojun WuPublished in: Multim. Tools Appl. (2017)
Keyphrases
- covariance matrix
- principal components
- covariance matrices
- sample size
- principal component analysis
- mahalanobis distance
- geometrical interpretation
- multivariate gaussian
- gaussian mixture
- higher peak signal to noise ratio
- symmetric matrix
- correlation matrix
- eigendecomposition
- positive definite
- local binary pattern
- pseudo inverse
- eigenvalues and eigenvectors
- multivariate normal
- maximum likelihood
- estimation error
- cma es
- search algorithm
- objective function
- genetic algorithm
- machine learning