"The eye doesn't see any shapes, it sees only what is differentiated through light and dark or through colors."

-Johann Wolfgang Von Goethe(1749–1832), German poet.

An Overview ofHuman and

Computer Vision

BarCamp Omaha 2010Corey A. Spitzer

Hi.

The Eye

http://en.wikipedia.org/wiki/File:Diagram_of_eye_evolution.svg

The Retina

http://www.colorado.edu/intphys/Class/IPHY3730/07vision.html

The Retina

http://openwetware.org/wiki/Image:Ch11f12.gif

Beyond the Retina

http://en.wikipedia.org/wiki/File:ERP_-_optic_cabling.jpg (Attribution: Ratznium at en.wikipedia )

Beyond the Retina

http://langabi.name/blog/2005/09/26/optical-illusions-and-visual-phenomena

Beyond the Retina

http://langabi.name/blog/2005/09/26/optical-illusions-and-visual-phenomena

Computer Vision

http://en.wikipedia.org/wiki/File:Studijskifotoaparat.JPG

Low-level Image Processing

http://en.wikipedia.org/wiki/File:Aliasing_a.png

http://en.wikipedia.org/wiki/Histogram_equalization

Image Segmentation

http://en.wikipedia.org/wiki/File:EdgeDetectionMathematica.png

Edge Detection

Image Segmentation

http://people.cs.uchicago.edu/~pff/segment/

Region-based Segmentation

Object and Facial Recognition

High-level Image Processing

brosnan et. al.*

Movement / Object Tracking

http://www.youtube.com/watch?v=OjLlZJTahUw&t=1m12s

Depth Perception using Structured Light

http://www.youtube.com/watch?v=rYD6L1X1GUI

http://www.youtube.com/watch?v=854ZTvs8UoU&t=6m42s

Stereopsis

Stereopsis

Ogale and Aloimonos**

Stereopsis

Stereopsis

Stereopsis

~ 37.13 cm

Stereopsis

~ 23.52 cm

Sources and Further Information

Brain and Behavior course websiteUniversity of Colorado at Boulderhttp://www.colorado.edu/intphys/Class/IPHY3730/07vision.html

* Improving quality inspection of food products by computer vision––a reviewTadhg Brosnan, Da-Wen Sun

** Shape and the stereo correspondence problemAbhijit S. Ogale and Yiannis Aloimonos

Sources and Further Information