Keyphrases
- low level features
- high level features
- low level
- semantic information
- high level semantics
- visual features
- high level
- semantic gap
- salient regions
- higher level
- key frames
- image similarity
- mid level
- co occurrence
- image features
- domain knowledge
- feature vectors
- segmentation algorithm
- visual information
- image retrieval
- segmentation method
- object recognition
- mid level features
- image segmentation
- high level abstractions
- image processing
- cbir systems
- object segmentation
- spatial information
- image representation
- relevance feedback
- prior knowledge
- feature space
- multiscale
- feature extraction