A multilayer FOCUSS approach for sparse representation.
Kan XieMin ShiPeitao WangJie XuYue LaiPublished in: Clust. Comput. (2017)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image classification
- compressive sensing
- regularized least squares
- reconstruction error
- image patches
- object tracking
- signal processing
- compressed sensing
- joint optimization
- random projections
- dimensionality reduction
- image representation
- high dimensional data
- test images
- negative matrix factorization
- piecewise smooth
- norm minimization
- intrinsic image decomposition
- sparse coefficients
- sparse learning
- image features
- pattern recognition