Weighted sparse representation using a learned distance metric for face recognition.
Xiaochao QuSuah KimDessalegn AtnafuHyoung Joong KimPublished in: ICIP (2015)
Keyphrases
- sparse representation
- distance metric
- face recognition
- dictionary learning
- metric learning
- sparse coding
- euclidean distance
- distance measure
- face images
- compressive sensing
- image classification
- latent space
- random projections
- signal processing
- distance function
- image patches
- manifold learning
- data points
- feature extraction
- joint optimization
- robust face recognition
- human faces
- high dimensional data
- principal component analysis
- subspace learning
- sparse representation based classification
- face databases
- image representation
- facial expressions
- active learning
- multiscale
- neural network
- sparse coefficients
- linear discriminant analysis
- computer vision