Multiple representations and sparse representation for image classification.
Yong XuBob ZhangZuofeng ZhongPublished in: Pattern Recognit. Lett. (2015)
Keyphrases
- sparse representation
- multiple representations
- image classification
- dictionary learning
- knowledge integration
- image representation
- sparse coding
- bag of words
- compressed sensing
- image features
- image patches
- negative matrix factorization
- joint optimization
- visual words
- random projections
- compressive sensing
- sparse approximations
- sparsity constraints
- sparse reconstruction
- feature extraction
- regularized least squares
- norm minimization
- test images
- sparse coefficients
- high resolution