Cluster-based visualisation with scatter matrices.
Paulo J. G. LisboaIan O. EllisAndrew R. GreenFederico AmbrogiM. Benjamin DiasPublished in: Pattern Recognit. Lett. (2008)
Keyphrases
- scatter matrices
- discriminant analysis
- null space
- linear discriminant analysis
- optimization criterion
- supervised dimensionality reduction
- dimension reduction
- singular value decomposition
- qr decomposition
- scatter matrix
- face recognition
- dimensionality reduction
- principal component analysis
- gaussian distribution
- novelty detection
- discriminative information
- small sample size
- sample size
- feature extraction
- support vector
- projection matrix
- least squares
- lower bound
- principal components
- pattern recognition
- original data
- utility function
- feature selection