Automatic Query Expansion for News Video Retrieval.
Yun ZhaiJingen LiuMubarak ShahPublished in: ICME (2006)
Keyphrases
- video retrieval
- automatic query expansion
- text retrieval
- query expansion
- broadcast news
- information retrieval
- retrieval systems
- content based retrieval
- visual content
- video search
- semantic gap
- news articles
- relevance feedback
- retrieval effectiveness
- pseudo relevance feedback
- key frames
- video data
- medical image retrieval
- video content
- news stories
- keywords
- video clips
- retrieval model
- news video
- information retrieval systems
- feature selection