Robust face recognition using sparse representation in LDA space.
Alessandro AdamoGiuliano GrossiRaffaella LanzarottiJianyi LinPublished in: Mach. Vis. Appl. (2015)
Keyphrases
- sparse representation
- face recognition
- illumination variations
- face images
- dimensionality reduction
- norm minimization
- dictionary learning
- robust face recognition
- sparse coding
- compressed sensing
- linear discriminant analysis
- joint optimization
- high dimensional data
- basis vectors
- compressive sensing
- low dimensional
- image patches
- feature extraction
- subspace learning
- lower dimensional
- latent dirichlet allocation
- random projections
- sparse representation based classification
- signal processing
- sparsity constraints
- negative matrix factorization
- object tracking
- principal component analysis
- partial occlusion
- image classification
- topic models
- regularized least squares
- feature space
- sparse approximations
- linear subspace
- generative model
- neural network
- image set
- image reconstruction
- image representation