Matrix Variate Distribution-Induced Sparse Representation for Robust Image Classification.
Jinhui ChenJian YangLei LuoJianjun QianWei XuPublished in: IEEE Trans. Neural Networks Learn. Syst. (2015)
Keyphrases
- sparse representation
- image classification
- sparse coding
- dictionary learning
- norm minimization
- image representation
- reconstruction error
- image features
- face recognition
- random projections
- compressed sensing
- bag of words
- negative matrix factorization
- sparsity constraints
- regularized least squares
- sparse reconstruction
- visual words
- sparse codes
- test images
- object tracking
- compressive sensing
- signal processing
- feature extraction
- joint optimization
- neural network
- sparse approximations
- piecewise smooth
- image patches
- high dimensional data
- input image
- data analysis