Sample Diversity, Discriminative and Comprehensive Dictionary Learning for Face Recognition.
Guojun LinMeng YangLinlin ShenWeicheng XieZhonglong ZhengPublished in: CCBR (2016)
Keyphrases
- dictionary learning
- sparse representation
- face recognition
- sparse codes
- object category recognition
- sparse coding
- class specific
- discriminative power
- sparse representation based classification
- feature extraction
- image classification
- discriminative dictionary
- image super resolution
- face images
- group sparsity
- linear discriminant analysis
- test images
- image representation
- image patches
- signal processing
- facial expressions
- decision trees
- high dimensional data
- unsupervised learning
- dimensionality reduction