1/28/2004   slide 6
Hierarchy of Processing
•How do we get from photons to object recognition and  categorization to conscious understanding to meaning and emotion?
•Many stages of processing, with feed-forward but also feedback between stages
•
Image-based Processing
Retinal Image
Surface-based Processing
Object-based Processing
Category-based Processing
Adapted from [Palmer 1999] p. 87
4
5
3
4
9
5
5
4
5
“BIRD”
(highly simplified)
Surfaces oriented (bring in Tinker Toy prop or other prop)
Bring in bowl

Bring in more knowledge of real world as you go up this hierarchy

http://corvinae.blogs.sapo.pt/arquivo/242781.html

SOURCES
_____________________
[Palmer 1999]
http://corvinae.blogs.sapo.pt/arquivo/242781.html (bird photo)