Local Connectivity Enhanced Sparse Representation.
Kewei TangLiying CaoJinhong LiXingxuan PengZhixun SuXiyan SunXiaonan LuoPublished in: IEEE Access (2020)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image classification
- compressive sensing
- reconstruction error
- image patches
- regularized least squares
- high dimensional data
- image representation
- signal processing
- negative matrix factorization
- object tracking
- random projections
- compressed sensing
- norm minimization
- sparse reconstruction
- sparse approximations
- joint optimization
- piecewise smooth
- dimensionality reduction
- test images
- sparse codes
- high dimensional