Tone-aware sparse representation for face recognition.
LingFeng WangHuai-Yu WuChunhong PanPublished in: FG (2013)
Keyphrases
- decision trees
- sparse representation
- face recognition
- dictionary learning
- sparse coding
- reconstruction error
- object tracking
- image patches
- compressed sensing
- compressive sensing
- face images
- image classification
- test images
- random projections
- subspace learning
- feature extraction
- training data
- joint optimization
- sparse approximations
- image representation
- signal processing
- negative matrix factorization
- dimensionality reduction
- principal component analysis
- object recognition
- computer vision
- regularized least squares
- sparsity constraints
- linear discriminant analysis
- sparse coefficients
- sparse representation based classification
- face recognition systems
- sparse reconstruction
- data sets
- sparse codes
- robust face recognition
- facial expressions
- face databases
- high dimensional data
- missing data