238,854 miles earth moon 225,000,000 miles earth moon mars
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238,854 Miles
Earth
Moon
225,000,000 Miles
Earth
Moon Mars
Computer Vision
Using Stereoscopic Imaging Techniques to Produce a Three-Dimensional Scene
Kevin SchaeferSenior Honors PresentationMcKendree University4/24/2014
The goal:
3D
What’s in an image?
3 components:1. Red 1212. Green 1103. Blue 90
Stereo vision
Left viewpoint Right viewpoint
The Correlation Problem
Correlation algorithms
• Sum of Absolute Differences• One of the simplest methods of block searching in
images
• Assuming normalized images:
Disparity
Left viewpoint Right viewpoint
Roof
Tree branch
Calculating Distance to Objects• Distance to an object is inversely proportional to
the disparity of that object
Left viewpoint Right viewpoint
Roof (farther away)
Tree branch (closer)
ApplicationsMars Curiosity RoverSpirit & Opportunity
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