レーザプラズマ式3次元ディスプレイデバイスのための物体の表面特徴量を利用したリソースアウェア・レンダリング(<特集>3次元インタラクション)

概要

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Laser-Plasma Scanning 3D Display (LPSD) is one of the most advanced volume scanning display devices, and plots a unicursal series of illuminants freely in the air. Though the LPSD device has been repeatedly upgraded, even the latest version is only capable of plotting an object at a rate of 5,000 illuminants per second, purely due to the hardware limitation. If we plotted illuminants at a regular interval with a constant brightness, it might possibly lead to loss of geometry and/or surface texture of the displayed object. This paper, therefore, proposes a software-based approach to ameliorate this problem, which controls the brightness and density of plotted illuminants in accordance with existing surface descriptors, to convey salient features of 3D shapes with even a limited number of illuminants.
2012-12-31