Local structure based sparse representation for face recognition with single sample per person.
Fan LiuJinhui TangYan SongXinguang XiangZhenmin TangPublished in: ICIP (2014)
Keyphrases
- sparse representation
- face recognition
- dictionary learning
- sparse coding
- image classification
- compressive sensing
- signal processing
- negative matrix factorization
- compressed sensing
- subspace learning
- object tracking
- joint optimization
- regularized least squares
- random projections
- piecewise smooth
- reconstruction error
- face images
- feature extraction
- image representation
- sparse approximations
- image patches
- sparsity constraints
- sparse reconstruction
- image processing
- test images
- keypoints
- super resolution
- facial expressions
- decision trees