Keyphrases
- bag of features
- image classification
- visual words
- spatial pyramid
- object recognition
- spatial information
- visual features
- action recognition
- image representation
- dense sampling
- scene classification
- spatial and temporal
- scene categorization
- appearance descriptors
- bag of words
- spatio temporal
- smoke detection
- space time
- image registration
- feature descriptors
- viewpoint
- similarity measure