Keyphrases
- low level features
- semantic content
- low level
- high level
- semantic gap
- high level features
- visual features
- higher level
- image retrieval
- relevance feedback
- high level semantics
- mid level
- image representation
- semantic information
- image annotation
- artificial intelligence
- semantic features
- semantic concepts
- object recognition
- semantic attributes
- key frames
- visual information
- cbir systems
- natural language
- high level knowledge
- low level descriptors
- automatic image annotation
- video retrieval
- visual content
- relational databases
- image processing