A new perspective to null linear discriminant analysis method and its fast implementation using random matrix multiplication with scatter matrices.
Alok SharmaKuldip K. PaliwalPublished in: Pattern Recognit. (2012)
Keyphrases
- linear discriminant analysis
- discriminant analysis
- fisher criterion
- scatter matrices
- qr decomposition
- dimension reduction
- principal component analysis
- support vector machine svm
- null space
- face recognition
- scatter matrix
- support vector machine
- optimization criterion
- linear projection
- dimensionality reduction
- input data
- model selection
- high dimensional data
- matrix multiplication
- similarity measure
- feature selection