Expanding dictionary for robust face recognition: pixel is not necessary while sparsity is.
Zhong-Qiu ZhaoYiu-ming CheungHaibo HuXindong WuPublished in: IET Comput. Vis. (2015)
Keyphrases
- robust face recognition
- sparse representation
- low rank matrix recovery
- sparse coding
- face recognition
- subspace learning
- feature analysis
- varying illumination
- face recognition systems
- high dimensional
- dimensionality reduction
- pixel level
- computer vision
- active appearance models
- image patches
- input image
- manifold learning
- object tracking
- face detection
- signal processing
- face images
- feature extraction
- orthogonal matching pursuit
- object recognition
- gabor features
- linear discriminant analysis
- recognition rate
- principal component analysis