• on Education & Information
  • Published in issue 2/2009 on page 46
About the article

An Eye for Distance

Optical triangulation with the ATM18 board

An Eye for Distance
People don’t come with built-in rulers, but if we need to know how far away an object is, we can estimate the distance (and we do it all the time). However, how can a robot determine the distance to an object and do so with sufficient accuracy?
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