Keyphrases
- bag of words
- summary generation
- text classification
- image classification
- visual words
- action recognition
- n gram
- pascal voc
- discriminative power
- image representation
- document representation
- multiscale
- world knowledge
- bag of words models
- text documents
- computer vision
- fisher kernel
- neural network
- spatial pyramid matching
- portuguese language
- visual vocabulary
- object categories
- sparse coding
- active learning
- machine learning