Multimodal sparse representation classification with Fisher discriminative sample reduction.
Soheil ShafieeFarhad KamangarVassilis AthitsosJunzhou HuangLaleh Shikh Gholamhossein GhandehariPublished in: ICIP (2014)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- sparse coding
- sparse codes
- compressed sensing
- feature extraction
- face recognition
- discriminative ability
- reconstruction error
- signal processing
- feature space
- discriminative power
- supervised learning
- joint optimization
- compressive sensing
- image patches
- high dimensional data
- machine learning
- dimensionality reduction
- decision trees
- support vector
- test images
- unsupervised learning
- feature selection
- sparse reconstruction
- regularized least squares
- image representation
- sparsity constraints
- pattern recognition
- random projections
- higher order
- multiscale
- subspace learning
- feature vectors
- model selection