Sparse representation classification based on difference subspace.
Qi ZhuQingxiang FengJiashuang HuangDan ZhangPublished in: CEC (2016)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- subspace learning
- high dimensional data
- sparse coding
- dimensionality reduction
- basis vectors
- compressive sensing
- image patches
- compressed sensing
- feature space
- face recognition
- pattern recognition
- feature extraction
- random projections
- joint optimization
- test images
- supervised learning
- text classification
- principal component analysis
- high dimensional
- decision trees
- orthogonal matching pursuit
- sparse approximations
- lower dimensional
- natural images
- high dimensionality
- signal processing
- feature selection
- training samples
- negative matrix factorization
- machine learning
- low dimensional
- nearest neighbor
- feature vectors
- support vector
- multiscale
- sparsity constraints
- image processing