Mahalanobis Distance Based Non-negative Sparse Representation for Face Recognition.
Yangfeng JiTong LinHongbin ZhaPublished in: ICMLA (2009)
Keyphrases
- sparse representation
- face recognition
- euclidean distance
- dictionary learning
- sparse coding
- face images
- distance measure
- object tracking
- random projections
- compressive sensing
- metric learning
- compressed sensing
- subspace learning
- image patches
- negative matrix factorization
- joint optimization
- linear discriminant analysis
- dimensionality reduction
- image classification
- distance function
- regularized least squares
- illumination variations
- distance metric
- computer vision
- signal processing
- face recognition systems
- sparsity constraints
- sparse reconstruction
- sparse approximations
- high dimensional data
- principal component analysis
- facial expressions
- similarity measure
- image representation
- object detection
- robust face recognition
- nearest neighbor
- multiscale
- image segmentation