Rethinking LDA: moment matching for discrete ICA.
Anastasia PodosinnikovaFrancis R. BachSimon Lacoste-JulienPublished in: CoRR (2015)
Keyphrases
- face recognition
- independent component analysis
- linear discriminant analysis
- principal component analysis
- feature extraction
- latent dirichlet allocation
- matching algorithm
- topic models
- discriminant analysis
- signal processing
- generative model
- topic modeling
- matching process
- independent components
- dimensionality reduction
- subspace analysis
- image matching
- dimension reduction
- null space
- discriminating power
- machine learning
- blind source separation
- independent components analysis
- feature matching
- shape matching
- feature points
- face images
- pattern recognition
- image processing