Keyphrases
- visual features
- emotional state
- visual information
- image classification
- image search
- visual content
- image retrieval
- keywords
- facial expressions
- nonverbal communication
- low level features
- semantic concepts
- image annotation
- visual appearance
- image collections
- low level
- virtual agents
- feature space
- bag of features
- image representation
- three dimensional
- emotion recognition
- conversational agent
- visual attributes
- virtual characters
- web images
- multi modal
- visual data
- visual descriptors
- saliency map
- key frames
- bridge the semantic gap