Reports of the Technical Conference of the Institute of Image Electronics Engineers of Japan
Reports of the 251st Technical Conference of the Institute of Image Electronics Engineers of Japan
Session ID : 10-01-02
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Reports of the 251st Technical Conference of the Institute of Image Electronics Engineers of Japan
Calculation Method of Computer-Generated Hologram Using Ray Tracing Method Considering Refraction
*Arata SASAMORIKazuhiro YAMAGUCHIYuji SAKAMOTO
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Abstract

A computer-generated hologram (CGH) is a technology expected to achieve ideal 3D displays. To achieve realistic 3D displays using a CGH, it is necessary to establish rendering technologies. However, studies about them are not sucient. Especially, an established method for expressing refraction that arises when a light passes through a transparent object is not available. We describe a new calculation method considering refraction. This method is based on a ray-tracing method used to express optical phenomena such as refraction in computer graphics. We made holograms by this method and conducted optical reconstruction experiments. The results of these experiments showed that the proposed method is valid to display objects with refraction.

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© 2010 by The Institute of Image Electronics Engineers of Japan
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