Keyphrases
- image representation
- multiscale
- image classification
- bag of words
- image content
- feature space
- representation scheme
- quadtree
- image features
- image retrieval
- compressive sensing
- low level features
- object recognition
- sparse coding
- visual words
- feature representations
- image classification and retrieval
- receptive fields
- scene recognition
- sparse representation
- matrix factorization
- feature extraction
- machine learning
- region segmentation
- scene classification
- linear quadtree
- bag of features
- visual content
- low rank
- singular value decomposition
- co occurrence
- feature vectors
- face recognition