Fast calibration for augmented reality

  • Authors:
  • Anton Fuhrmann;Dieter Schmalstieg;Werner Purgathofer

  • Affiliations:
  • Vienna University of Technology, Karlsplatz 13/186, A-1040 Vienna, Austria;Vienna University of Technology, Karlsplatz 13/186, A-1040 Vienna, Austria;Vienna University of Technology, Karlsplatz 13/186, A-1040 Vienna, Austria

  • Venue:
  • Proceedings of the ACM symposium on Virtual reality software and technology
  • Year:
  • 1999

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Abstract

Augmented Reality overlays computer generated images over the real world. These images have to be generated using transformations which correctly project a point in virtual space onto its corresponding point in the real world.We present a simple and fast calibration scheme for head-mounted displays (HMDs), which does not require additional instrumentation or complicated procedures. The user is interactively guided through the calibration process, allowing even inexperienced users to calibrate the display to their eye distance and head geometry.The calibration is stable - meaning that slight errors made by the user do not result in gross miscalibrations - and easily applicable for see-through and video-based HMDs.