regularised sparse representation for face recognition.
Dexing ZhongZichao XieYan-Rui LiJiuqiang HanPublished in: IET Comput. Vis. (2015)
Keyphrases
- sparse representation
- face recognition
- dictionary learning
- sparse coding
- face images
- compressive sensing
- reconstruction error
- sparse approximations
- negative matrix factorization
- image patches
- signal processing
- image classification
- compressed sensing
- random projections
- subspace learning
- object tracking
- feature extraction
- computer vision
- piecewise smooth
- principal component analysis
- facial expressions
- norm minimization
- face recognition algorithms
- joint optimization
- illumination variations
- dimensionality reduction
- face databases
- gabor features
- linear discriminant analysis
- test images
- image representation
- denoising