A Kernel Two-Phase Test Sample Sparse Representation for Face Recognition.
Zhonghua LiuJiexin PuYong QiuMoli ZhangXiaoli ZhangGuangjun HuangPublished in: Int. J. Pattern Recognit. Artif. Intell. (2016)
Keyphrases
- sparse representation
- test sample
- reconstruction error
- face recognition
- sparse coding
- dictionary learning
- training samples
- face images
- feature space
- kernel function
- image patches
- image classification
- linear discriminant analysis
- support vector
- feature representation
- computer vision
- linear combination
- signal processing
- feature extraction
- high dimensional data
- principal component analysis
- image representation
- classification method
- high dimensional
- dimensionality reduction
- image reconstruction
- test images
- object recognition
- facial expressions
- multi class