Sparse representation for face recognition based on discriminative low-rank dictionary learning.
Long MaChunheng WangBaihua XiaoWen ZhouPublished in: CVPR (2012)
Keyphrases
- sparse representation
- dictionary learning
- low rank
- face recognition
- sparse codes
- high dimensional data
- group sparsity
- sparse coding
- low rank matrix recovery
- semi supervised
- discriminative power
- convex optimization
- missing data
- linear combination
- low rank matrix
- matrix completion
- singular value decomposition
- image patches
- feature extraction
- matrix factorization
- face images
- reconstruction error
- compressive sensing
- subspace learning
- nearest neighbor
- negative matrix factorization
- dimensionality reduction
- sparsity constraints
- random projections
- high order
- data analysis
- unsupervised learning
- signal processing
- sparse representation based classification
- data sets
- test images
- pairwise
- computer vision
- data points
- principal component analysis
- robust face recognition
- image classification
- machine learning
- low dimensional
- pattern recognition
- high dimensional
- active learning