Columbia University TRECVID 2007 High-Level Feature Extraction.
Shih-Fu ChangWei JiangAkira YanagawaEric ZaveskyPublished in: TRECVID (2007)
Keyphrases
- columbia university
- feature extraction
- high level
- low level
- video retrieval
- digital government
- image processing
- feature vectors
- video data
- semantic indexing
- social sciences
- image classification
- low level features
- event detection
- feature selection
- extracted features
- feature space
- video search
- business schools
- learning environment
- learning outcomes
- web based learning
- broadcast news
- recent advances
- principal component analysis