Visual Object Recognition

Chapter 4 Visual Object Recognition, Irving Biederman
in An Invitation to Cognitive Science, 2nd Edition, Visual Cognition, Vol2.

It's about a psychological understanding on viewpoint-invariant object recognition. Especially it says about Geon Theory. Geon is a component of an object, which is viewpoint-invariant and object recognition is based on geons and their relations with other geons.

So far so good...
As always in some psycological research, however, we don't know how to find these geons and the relations from image inputs. With different illuminations, different angles and noise and background, finding geons is a big deal itself in machine-based object recognition. Even the experiments in this book were conducted with human brain. It says just what the result of brain function on visual input is, not how it works in details. So it doesn't say that much about how to implement this concept in machine.

- H. Choi