The visual computing of projector-camera systems

  • Authors:
  • Oliver Bimber;Daisuke Iwai;Gordon Wetzstein;Anselm Grundhöfer

  • Affiliations:
  • Bauhaus-University Weimar, Germany;Bauhaus-University Weimar, Germany and Osaka University, Japan;University of British Columbia, Canada;Bauhaus-University Weimar, Germany

  • Venue:
  • ACM SIGGRAPH 2008 classes
  • Year:
  • 2008

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Abstract

This article focuses on real-time image correction techniques that enable projector-camera systems to display images onto screens that are not optimized for projections, such as geometrically complex, colored and textured surfaces. It reviews hardware accelerated methods like pixel-precise geometric warping, radiometric compensation, multi-focal projection, and the correction of general light modulation effects. Online and offline calibration as well as invisible coding methods are explained. Novel attempts in super-resolution, high dynamic range and high-speed projection are discussed. These techniques open a variety of new applications for projection displays. Some of them will also be presented in this report.