Joint discriminative dimensionality reduction and dictionary learning for face recognition.
Zhizhao FengMeng YangLei ZhangYan LiuDavid ZhangPublished in: Pattern Recognit. (2013)
Keyphrases
- dictionary learning
- sparse representation
- dimensionality reduction
- sparse codes
- face recognition
- object category recognition
- sparse coding
- feature extraction
- principal component analysis
- class specific
- linear discriminant analysis
- high dimensional data
- unsupervised learning
- subspace learning
- discriminative power
- manifold learning
- discriminative dictionary
- high dimensional
- linear dimensionality reduction
- image super resolution
- low dimensional
- image patches
- image classification
- feature selection
- pattern recognition
- data representation
- feature space
- face images
- sparse representation based classification
- discriminant analysis
- data points
- object recognition
- graph embedding
- kernel pca
- image processing
- computer vision
- semi supervised
- natural images
- neural network