映像情報メディア学会誌
Online ISSN : 1881-6908
Print ISSN : 1342-6907
小特集論文
CGを利用したCGHの隠面処理改善とディスクホログラムへの応用
藤井 知彦山口 健吉川 浩
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ジャーナル フリー

62 巻 (2008) 4 号 p. 527-532

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For practical 3-D computer-generated holograms (CGH), it is important to display surface model shaded images like computer graphics (CG). We have developed a simple process that is used to obtain 3-D data for CGH from two CG images. The first image is a shaded CG image. The second image is a depth-cued image, i.e., image intensity is modulated by the depth of the object. We use a Z-buffer, which is usually used for hidden-surface removal, to make the depth-cued image. We have improved the process to eliminate the problem of the absence of the hidden surface's data, which should appear when a viewer moves. We adapted our process so that it can be used to make a master disk hologram, meaning that, CGHs from processed 3-D Data are displayed on a disk hologram.

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© 2008 一般社団法人 映像情報メディア学会
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