可視化情報学会誌
Online ISSN : 1884-037X
Print ISSN : 0916-4731
ISSN-L : 0916-4731
A307 全方位型表示システムを使った3次元ビデオ映像提示システムの開発
坂本 尚久高井 勇志小山田 耕二松山 隆司吉川 慈人
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2003 年 23 巻 Supplement1 号 p. 399-402

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In this paper, we describe the development, of a 3D video imaging system for an omnidirectional display in which many people can visualize the same image from different viewpoints at the same time. In order to display such images, in a high quality manner, it is necessary to reduce the discontinuity between adjacent patches during the texture mapping process of reconstructed geometrical shape. To overcome this problem, a view-dependent texture mapping has been used. Such method is only effective for a traditional 2D display. To overcome this limitation, we have developed a view-independent, voxel coloring for an omnidirectional display by using multi-viewpoint video images. In this technique, accurate visibility determination is done in order to diminish the influence of specular reflection, which is the main obstacle for viewpoint independence. We used 12 sets of 300 time-varying frames, each set corresponding to a specific viewpoint, to verify the effectiveness of our approach.

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