Face Recognition in Uncontrolled Conditions Using Sparse Representation and Local Features.
Alessandro AdamoGiuliano GrossiRaffaella LanzarottiPublished in: ICIAP (2) (2013)
Keyphrases
- sparse representation
- face recognition
- dictionary learning
- feature representation
- sparse coding
- feature extraction
- image classification
- basis vectors
- subspace learning
- test images
- feature space
- signal processing
- compressive sensing
- object tracking
- feature analysis
- compressed sensing
- gabor features
- random projections
- image representation
- face images
- regularized least squares
- high dimensional data
- sparsity constraints
- dimensionality reduction
- sparse reconstruction
- feature vectors
- neural network
- sparse approximations
- joint optimization
- sparse codes
- illumination conditions
- image patches
- human faces
- multiscale
- illumination variations
- single image
- facial expressions
- image features