Development of MR-PreViz System for On-site S3D Pre-Visualization of Real World Scenes(<Special issue>Real World Imaging)

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  • Mori Shohei
    Graduate School of Science & Engineering, Ritsumeikan University
  • Ichikari Ryosuke
    University of Southern California, Institute for Creative Technologies
  • Shibata Fumihisa
    Graduate School of Science & Engineering, Ritsumeikan University
  • Kimura Asako
    Graduate School of Science & Engineering, Ritsumeikan University
  • Tamura Hideyuki
    Graduate School of Science & Engineering, Ritsumeikan University

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Other Title
  • 実世界の撮影現場で3D映画演出を事前検討できるMR-PreVizシステムの開発(<特集>実世界イメージング)
  • 実世界の撮影現場で3D映画演出を事前検討できるMR-PreVizシステムの開発
  • ミノル セカイ ノ サツエイ ゲンバ デ 3D エイガ エンシュツ オ ジゼン ケントウ デキル MR-PreViz システム ノ カイハツ

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Abstract

This paper proposes a pre-visualization (PreViz) system for stereoscopic 3D (S3D) filmmaking using mixed reality (MR) technologies. This system superimposes CG characters on real background shot in S3D with cinematographic stereo-camera. In preproduction stages, this enables stereographers to examine stereo-camera settings on-site by trial and error. Proposed system is based on our previous work, MR-PreViz, which provides MR composited PreViz and was designed as S3D extended of it. The S3D extension includes not only system design and development but also camera tracking method using a stereo-camera. Contribution of this method is to use epipolar constraints of the stereo-camera for structure-from-motion based approach and, as a result, is to increase variations of camera-paths examined in our PreViz system. We confirmed that the variations increased by visualizing camera-paths and by MR-PreViz movies, and we also evaluated the method in quantitative manners.

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