Optimization of class weights for LDA feature transformations.
Andrej LjoljePublished in: INTERSPEECH (2006)
Keyphrases
- optimization algorithm
- latent dirichlet allocation
- weighted sum
- optimization problems
- global optimization
- supervised dimensionality reduction
- face recognition
- discriminant analysis
- feature set
- class labels
- optimization method
- linear combination
- dimensionality reduction
- topic modeling
- class dependent
- scatter matrices
- linear discriminant analysis
- topic models
- feature weights
- convex optimization problems
- discriminating power
- selecting features
- feature dimension
- feature extraction