Expression-robust 3D face recognition via weighted sparse representation of multi-scale and multi-component local normal patterns.
Huibin LiDi HuangJean-Marie MorvanLiming ChenYunhong WangPublished in: Neurocomputing (2014)
Keyphrases
- sparse representation
- multi component
- face recognition
- multiscale
- dictionary learning
- norm minimization
- sparse coding
- illumination variations
- image representation
- image classification
- compressive sensing
- random projections
- compressed sensing
- joint optimization
- sparsity constraints
- regularized least squares
- negative matrix factorization
- robust face recognition
- test images
- object tracking
- natural images
- dimensionality reduction
- image patches
- scale space
- signal processing
- object recognition
- sparse reconstruction
- sparse learning
- data sets
- sparse approximations
- non stationary
- unsupervised learning
- object detection
- data analysis
- feature extraction
- machine learning
- data mining