Expression-insensitive 3D face recognition using sparse representation.
Xiaoxing LiTao JiaHao ZhangPublished in: CVPR (2009)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image classification
- joint optimization
- compressive sensing
- reconstruction error
- compressed sensing
- signal processing
- regularized least squares
- image representation
- object tracking
- image patches
- high dimensional data
- sparse learning
- random projections
- negative matrix factorization
- dimensionality reduction
- sparse reconstruction
- sparse approximations
- database
- piecewise smooth
- basis vectors
- sparsity constraints
- test images
- data points
- sparse coefficients
- neural network