Keyphrases
- soft assignment
- coding scheme
- sparse codes
- coding method
- sparse coding
- sparse data
- feature selection
- high dimensional
- inter frame
- discriminative features
- error control
- image classification
- sparse representation
- feature extraction
- nearest neighbor
- dictionary learning
- semi supervised
- compressive sensing
- canonical correlation analysis
- face recognition
- sparse matrix
- bag of words
- unsupervised learning