Structure-constrained low-rank and partial sparse representation for image classification.
Yang LiuHaixu LiuChenyu LiuXueming LiPublished in: ICIP (2014)
Keyphrases
- sparse representation
- image classification
- low rank
- low rank matrix recovery
- group sparsity
- sparse coding
- high dimensional data
- dictionary learning
- sparsity constraints
- image representation
- linear combination
- missing data
- low rank matrix
- convex optimization
- matrix factorization
- compressive sensing
- dimensionality reduction
- random projections
- compressed sensing
- feature extraction
- subspace learning
- face recognition
- image features
- image patches
- singular value decomposition
- high order
- bag of words
- matrix completion
- norm minimization
- multiscale
- negative matrix factorization
- signal processing
- nearest neighbor
- semi supervised
- kernel matrix
- low dimensional
- neural network