Keyphrases
- sparse representation
- dictionary learning
- image classification
- sparse coding
- ear recognition
- face recognition
- machine learning
- pattern recognition
- sparse representation based classification
- wavelet features
- image patches
- decision trees
- computer vision
- random projections
- image representation
- dimensionality reduction
- text classification
- feature representation
- data mining
- feature extraction
- object tracking
- generative model
- support vector machine
- feature vectors
- object recognition
- video sequences
- multiscale