L1-norm based null space discriminant analysis.
Gui-Fu LuJian ZouYong WangZhongqun WangPublished in: Multim. Tools Appl. (2017)
Keyphrases
- discriminant analysis
- null space
- linear discriminant analysis
- scatter matrices
- face recognition
- principal component analysis
- support vector
- feature extraction
- support vector machine svm
- small sample size
- dimensionality reduction
- dimension reduction
- data sets
- feature space
- objective function
- discriminant vectors
- discriminative information
- high dimensional data
- cluster analysis
- singular value decomposition
- principal components
- least squares
- feature selection
- learning algorithm