Summary: Computer Vision
notes by: Eyal Amir
March 20, 1997
Abstract
This is a summary of the Vision topic, taken mostly from [Nal93]. It
is therefore restricted to passive vision (we might take care of that soon),
and to ignorance of domain­specific knowledge (we may take care of that
using [Bin82]).
Contents
1 What is Vision? 2
2 Foundations: Image Formation 2
2.1 Perspective Projection . . . . . . . . . . . . . . . . . . . . . . . . 2
2.2 Orthographic Projection . . . . . . . . . . . . . . . . . . . . . . . 3
2.3 Parallel Projection . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 Shape Creation 3
3.1 Edge Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.1.1 Difference Operators . . . . . . . . . . . . . . . . . . . . . 4
3.1.2 Parametric­Model Matchers . . . . . . . . . . . . . . . . . 5
3.2 Line­Drawing Interpretation . . . . . . . . . . . . . . . . . . . . . 5
3.2.1 Line labeling constraints . . . . . . . . . . . . . . . . . . . 6

Source: Amir, Eyal - Department of Computer Science, University of Illinois at Urbana-Champaign

Collections: Computer Technologies and Information Sciences