Understanding a bag of words by conceptual labeling with prior weights.
Haiyun JiangDeqing YangYanghua XiaoWei WangPublished in: World Wide Web (2020)
Keyphrases
- bag of words
- visual words
- image classification
- text classification
- action recognition
- image representation
- discriminative power
- pascal voc
- document representation
- n gram
- bag of words models
- text documents
- active learning
- object retrieval
- text classification tasks
- world knowledge
- linear combination
- term frequency
- prior knowledge
- textual features
- bayesian networks
- bag of features
- text categorization
- fisher kernel
- feature extraction
- portuguese language