Virtual samples based robust block-diagonal dictionary learning for face recognition.
Shuangxi WangHongwei GeJinlong YangShuzhi SuPublished in: Intell. Data Anal. (2021)
Keyphrases
- dictionary learning
- sparse representation
- face recognition
- block diagonal
- sparse representation based classification
- sparse coding
- image classification
- subspace learning
- image representation
- unsupervised learning
- convex optimization
- data sets
- dimensionality reduction
- facial expressions
- image retrieval
- feature extraction
- computer vision