Keyphrases
- image representation
- sparse coding
- compressive sensing
- sparse representation
- multiscale
- image classification
- object recognition
- image content
- image features
- feature space
- bag of words
- quadtree
- feature representations
- scene classification
- representation scheme
- low level features
- receptive fields
- pattern representation
- computer vision
- image retrieval
- visual words
- high dimensional
- data structure
- scene recognition
- bag of visual words
- image classification and retrieval
- linear quadtree
- scene categorization