Keyphrases
- image representation
- image classification
- multiscale
- bag of words
- image content
- image features
- visual words
- object recognition
- feature representations
- quadtree
- sparse representation
- image retrieval
- bag of features
- receptive fields
- image classification and retrieval
- sparse coding
- low level features
- scene recognition
- low level
- feature space
- visual recognition
- computer vision
- representation scheme
- scene classification
- visual recognition tasks
- multiple scales
- relevance feedback
- d objects
- high level