Toward a Practical Face Recognition System: Robust Alignment and Illumination by Sparse Representation.
Andrew WagnerJohn WrightArvind GaneshZihan ZhouHossein MobahiYi MaPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (2012)
Keyphrases
- sparse representation
- illumination variations
- robust face recognition
- face recognition
- dictionary learning
- sparse coding
- object tracking
- face images
- pose variations
- face recognition systems
- norm minimization
- face recognition algorithms
- compressive sensing
- compressed sensing
- illumination conditions
- image classification
- partial occlusion
- subspace learning
- negative matrix factorization
- sparse approximations
- image patches
- sparsity constraints
- joint optimization
- signal processing
- feature extraction
- test images
- intrinsic image decomposition
- image representation
- high dimensional data
- image matching
- random projections
- sparse coefficients
- sparse reconstruction
- multiscale
- recognition algorithm
- feature space
- training set
- regularized least squares
- computer vision
- face detection
- facial expressions
- sparse representation based classification
- principal component analysis
- lighting conditions
- dimensionality reduction