New face expression recognition using polar angular radial transform and principal component analysis.
Imène TalebMadani Ould MammarAbdelaziz OuamriPublished in: Int. J. Biom. (2018)
Keyphrases
- principal component analysis
- face images
- polar coordinates
- expression recognition
- face recognition
- face databases
- facial pose
- human faces
- principal components
- dimensionality reduction
- facial expressions
- fourier analysis
- dimension reduction
- discriminant analysis
- facial animation
- fourier transform
- independent component analysis
- facial images
- facial features
- feature extraction
- feature space
- face identification
- cartesian coordinates
- facial motion
- gender recognition
- zernike moments
- pose variations
- rotation invariant
- frequency domain
- covariance matrix
- linear discriminant analysis
- low dimensional
- data points
- training set
- facial expression recognition
- singular value decomposition