Keyphrases
- video segments
- video indexing
- video retrieval
- information retrieval systems
- information retrieval
- image database
- video sequences
- document retrieval
- image registration
- relevance feedback
- event detection
- visual information
- machine learning
- computer vision
- affine invariant
- affine transformation
- video content
- video streams
- image retrieval
- object recognition
- semi supervised
- information extraction
- domain knowledge