Noise-robust dictionary learning with slack block-Diagonal structure for face recognition.
Zhe ChenXiao-Jun WuHe-Feng YinJosef KittlerPublished in: Pattern Recognit. (2020)
Keyphrases
- dictionary learning
- sparse representation
- face recognition
- block diagonal
- sparse representation based classification
- sparse coding
- image classification
- feature extraction
- model selection
- semidefinite programming
- missing data
- unsupervised learning
- data sets
- signal processing
- dimensionality reduction
- feature space
- machine learning