Supervised within-class-similar discriminative dictionary learning for face recognition.
Lele XuXia WuKewei ChenLi YaoPublished in: J. Vis. Commun. Image Represent. (2016)
Keyphrases
- dictionary learning
- class specific
- sparse representation
- face recognition
- sparse coding
- sparse codes
- object category recognition
- semi supervised
- unsupervised learning
- classifier training
- image super resolution
- sparse representation based classification
- signal processing
- dictionary learning for sparse
- discriminative power
- image classification
- feature extraction
- object categories
- discriminant analysis
- dimensionality reduction
- learning algorithm
- object classes
- image patches
- natural images
- face images
- principal component analysis