TRECVID 2007: Collaborative Annotation using Active Learning.
Stéphane AyacheGeorges QuénotPublished in: TRECVID (2007)
Keyphrases
- active learning
- semantic indexing
- annotation effort
- learning algorithm
- video retrieval
- supervised learning
- semi supervised
- selective sampling
- machine learning
- training set
- random sampling
- learning strategies
- collaborative learning
- training examples
- learning process
- relevance feedback
- news video
- experimental design
- video data
- cost sensitive
- event detection
- story segmentation
- labeled data
- computer supported collaborative learning
- knowledge sharing
- transfer learning
- text categorization
- active learning strategies
- semi supervised learning
- video indexing