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Title: 計算機合成ホログラムにおける微小面集合を用いた反射特性の表現法
Other Titles: Calculation Method Using a Set of Microfacets for Computer-Generated Hologram Considering Reflectance Distributions
Authors: 山口, 一弘1 Browse this author
坂本, 雄児2 Browse this author →KAKEN DB
Authors(alt): YAMAGUCHI, Kazuhiro1
Keywords: 計算機合成ホログラム
Issue Date: 1-Dec-2009
Publisher: 映像情報メディア学会
Journal Title: 映像情報メディア学会誌 : 映像情報メディア
Journal Title(alt): The journal of the Institute of Image Information and Television Engineers
Volume: 63
Issue: 12
Start Page: 1846
End Page: 1852
Abstract: Computer-generated hologram (CGH) is a technology that makes hologram data using a simulation of the recording process of holography. However, there are still many problems with CGH. We describe a calculation method that takes into consideration the reflectance distribution of object surfaces for CGH to improve the reality of reconstructed images. This method is based on the Blinn, or the Torrance-Sparrow, reflection models in CG. In these models, object surfaces are divided into a set of mirror-like microfacets. By calculating the phase differences of object surfaces with these models, various reflectance distributions for CGH are expressed. We did computer-simulated experiments, which compared the light intensity distribution of simulated values on each reflectance factor. We also did optical reconstruction experiments. These experiments showed that the proposed method makes various reflectance distributions of reconstructed images.
Type: article
Appears in Collections:情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 坂本 雄児

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