Ways to sparse representation: An overview.
Jingyu YangYiGang PengWenli XuQionghai DaiPublished in: Sci. China Ser. F Inf. Sci. (2009)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image classification
- signal processing
- compressive sensing
- joint optimization
- high dimensional data
- image patches
- compressed sensing
- negative matrix factorization
- reconstruction error
- image representation
- object tracking
- random projections
- test images
- norm minimization
- sparse reconstruction
- dimensionality reduction
- regularized least squares
- sparse approximations
- computer vision
- image data
- pattern recognition
- feature extraction
- decision trees
- sparse codes
- database