Block sparse representation for pattern classification: Theory, extensions and applications.
Yulong WangYuan Yan TangLuoqing LiXianwei ZhengPublished in: Pattern Recognit. (2019)
Keyphrases
- pattern classification
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image classification
- compressive sensing
- random projections
- image patches
- image representation
- nearest neighbor rule
- dimensionality reduction
- feature extraction
- pattern classification problems
- compressed sensing
- subspace learning
- negative matrix factorization
- high dimensional data
- joint optimization
- regularized least squares
- signal processing
- norm minimization
- machine learning
- manifold learning
- test images
- natural images