The sparse representation related with fractional heat equations.
Pengtao LiTao QianIeng Tak LeongWei QuPublished in: CoRR (2022)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image classification
- compressed sensing
- compressive sensing
- image patches
- image representation
- random projections
- joint optimization
- regularized least squares
- piecewise smooth
- signal processing
- sparse approximations
- reconstruction error
- object tracking
- high dimensional data
- test images
- negative matrix factorization
- sparse reconstruction
- dimensionality reduction
- bag of words
- image reconstruction
- unsupervised learning
- semi supervised
- image data
- image segmentation