Keyphrases
- image classification
- bag of words
- image representation
- visual features
- feature extraction
- kernel methods
- image features
- online learning
- bag of features
- sparse coding
- support vector
- sparse representation
- spatial pyramid
- visual words
- computer vision
- data sets
- multi label
- class specific
- multi category
- outlier detection
- video sequences
- face recognition
- real world
- databases