Image Compression Using Stochastic-AFD Based Multisignal Sparse Representation.
Lei DaiLiming ZhangHong LiPublished in: IEEE Trans. Image Process. (2022)
Keyphrases
- sparse representation
- approximate functional dependencies
- dictionary learning
- sparse coding
- face recognition
- image classification
- compressed sensing
- negative matrix factorization
- compressive sensing
- dimensionality reduction
- random projections
- image representation
- reconstruction error
- regularized least squares
- signal processing
- sparse approximations
- image patches
- joint optimization
- sparse reconstruction
- high dimensional data
- functional dependencies
- piecewise smooth
- machine learning
- database
- test images
- data analysis
- sparse learning