タイムクリティカルレンダリング : 人間行動モデルに基づく適応的テクスチャマッピング

DOI Web Site 参考文献12件
  • 田中 利果
    お茶の水女子大学大学院理学研究科怖報科学専攻:(現)(株) MRシステム研究所第一研究室
  • 藤代 一成
    お茶の水女子大学理学部情報科学科

書誌事項

タイトル別名
  • Time-Critical Rendering : Adaptive Texture Mapping Based on a Human Behavior Model
  • タイムクリティカルレンダリング ニンゲン コウドウ モデル ニ モトズク テキ

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説明

In order to establish immersive virtual environments, efficient rendering of photorealistic scenes is crucial. To this end, texture mapping is commonly used to play a complementary role with 3D geometric modeling and rendering. In previous reports, we have proposed an adaptive texture mapping strategy based on a human-behavior model (HBM) for effective interior space simulation. This paper extends the approach to another attractive VR application, that is, virtual museums. A new specific HBM estimates in which mode the user acts at present, searching or admiring particular pictures, based on the dynamics of his/her position and gaze for static exhibition scenes mixed with moving objects such as audience. Also, an improved adaptive strategy fully takes into account the nature of a texture mapping hardware to select for each mode the best level of detail (LOD) of object textures in the current field of view. An empirical test is performed to evaluate to what degree the present HBM and adaptive LOD control strategy resolve the trade-off between efficiency and image quality, and provide the user with the immersiveness for museum navigation.

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