Location-sensitive sparse representation of deep normal patterns for expression-robust 3D face recognition.
Huibin LiJian SunLiming ChenPublished in: IJCB (2017)
Keyphrases
- sparse representation
- face recognition
- dictionary learning
- norm minimization
- sparse coding
- illumination variations
- compressive sensing
- compressed sensing
- sparsity constraints
- reconstruction error
- image classification
- image patches
- image representation
- random projections
- regularized least squares
- high dimensional data
- piecewise smooth
- joint optimization
- negative matrix factorization
- multiscale
- sparse codes
- object tracking
- signal processing
- dimensionality reduction
- convex optimization
- linear combination
- robust face recognition
- natural images
- particle filter
- sparse approximations