3D face recognition based on sparse representation.
Hengliang TangYanfeng SunBaocai YinYun GePublished in: J. Supercomput. (2011)
Keyphrases
- sparse representation
- face recognition
- dictionary learning
- sparse coding
- facial expressions
- image patches
- joint optimization
- negative matrix factorization
- image classification
- sparse approximations
- random projections
- reconstruction error
- signal processing
- compressive sensing
- feature extraction
- high dimensional data
- dimensionality reduction
- compressed sensing
- object tracking
- image representation
- principal component analysis
- piecewise smooth
- sparse reconstruction
- computer vision
- illumination variations
- face images
- face recognition algorithms
- sparsity constraints
- data sets
- sparse coefficients
- sparse codes
- sparse learning
- norm minimization
- regularized least squares
- neural network
- machine learning
- image processing
- image segmentation