- Feature Integration Theory
Attention Types
| Bottom Up Cues | Top Down Cues |
|---|---|
| Automatic | Influenced by what you know. |
| Known as saliency | Known as endogenous or voluntary |
| Reflexive in nature | motivation based or expectations. Involves context as well. |
Guided Search Model.
- Involves both bottom up and top down feature maps.
- Bottom up has involuntary influence on the attention. eg: emergency bell during a lecture.
Basic Features for Saliency
- Color
- Motion
- Orientation
- Size :P
| Overt Attention | Covert Attention |
|---|---|
| > Direct the eyes to the region of Interest | > direct eyes to ROI without moving your eyes |
Read about Scale Spaces Theory in detail.