A theoretical contribution to the fast implementation of null linear discriminant analysis method using random matrix multiplication with scatter matrices.
Ting-ting FengGang WuPublished in: CoRR (2014)
Keyphrases
- linear discriminant analysis
- fisher criterion
- dimension reduction
- discriminant analysis
- qr decomposition
- scatter matrices
- scatter matrix
- feature extraction
- decomposition method
- support vector machine svm
- linear transformation
- cost function
- face recognition
- feature space
- discriminative information
- dimensionality reduction
- supervised dimensionality reduction
- probabilistic model
- pairwise
- input data
- feature set
- null space
- optimization criterion
- objective function
- similarity measure
- linear projection