Image classification on projection based multilayer sparse representation.
Tomoya HirakawaYoshimitsu KurokiPublished in: GCCE (2019)
Keyphrases
- sparse representation
- image classification
- dictionary learning
- sparse coding
- image representation
- bag of words
- feature extraction
- image features
- compressive sensing
- reconstruction error
- compressed sensing
- object tracking
- negative matrix factorization
- sparse approximations
- random projections
- visual words
- joint optimization
- basis vectors
- test images
- piecewise smooth
- regularized least squares
- sparse learning
- sparse reconstruction
- image patches
- sparse codes
- sparse coefficients
- data sets
- face recognition
- machine learning