Real-time Continuous Geometric Calibration for Projector-Camera System under Ambient Illumination

  • Authors:
  • Yuqi Li;Niguang Bao;Qingshu Yuan;Dongming Lu

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ICVRV '12 Proceedings of the 2012 International Conference on Virtual Reality and Visualization
  • Year:
  • 2012

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Abstract

This paper presents a fast continuous geometric calibration method for projector-camera system under ambient light. Our method estimates an appropriate exposure time to prevent features in captured image from degradation and adopts ORB descriptor to match features pairs in real-time. The adaptive exposure method has been verified with different exposure values and proved to be effective. We also implement our real-time continuous calibration method on Dual-projection display. The calibration process can be accomplished smoothly within 5 frames.