Keyphrases
- image representation
- object recognition
- multiscale
- image classification
- bag of words
- quadtree
- scene classification
- image features
- image content
- low level features
- receptive fields
- d objects
- scene recognition
- visual words
- computer vision
- sparse coding
- image retrieval
- representation scheme
- feature space
- natural images
- sparse representation
- object classification
- bag of features
- image classification and retrieval
- low level
- spatial pyramid
- scene categorization