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3-D Scanner Calibration with Active Display Target Device

  • US 20190000412A1
  • Filed: 12/08/2015
  • Published: 01/03/2019
  • Est. Priority Date: 12/08/2015
  • Status: Active Grant
First Claim
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1. A dental imaging apparatus for surface contour imaging of an object, the apparatus comprising:

  • a first sensing apparatus comprising at least one lens and a sensor that is configured to obtain one or more images of at least one surface position; and

    a calibration target comprising a spatial light modulator configured to form a prescribed set of calibration patterns, and whose display plane corresponds to the at least one surface position.

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