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What is 3D Scanning

3D scanning refers to a broad range of technologies that bring the physical world into the digital world.  This a broader view than most would give you but I feel it is more appropriate because it encompasses technologies such as:

  • Laser Triangulation
  • Structured Light
  • Computerized Tomography (CT)
  • Magnetic Resonance Imaging (MRI)
  • Optical Coherence Tomography (OCT)
  • Time of Flight
  • Geosurvey (Terrestrial Laser Scanning)
  • Photogrammetry
  • Stereo Vision
  • Computer Vision
  • Structure from Motion

These technologies are similar in application and the technical skills required to develop them.  I won't go into too much detail on the list above because there are more comprehensive sources such as http://en.wikipedia.org/wiki/3D_scanner.  

I put together a very basic technical description of 3D scanning.

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