Face synthesis from near-infrared to visual light via sparse representation.
Zeda ZhangYunhong WangZhaoxiang ZhangPublished in: IJCB (2011)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- illumination variations
- compressed sensing
- face images
- regularized least squares
- subspace learning
- signal processing
- object tracking
- compressive sensing
- image classification
- joint optimization
- image patches
- random projections
- image representation
- facial expressions
- sparse approximations
- negative matrix factorization
- reconstruction error
- human faces
- high dimensional data
- dimensionality reduction
- sparse reconstruction
- piecewise smooth
- sparse coefficients
- data sets
- semi supervised
- test images
- robust face recognition
- sparse learning
- denoising