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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/1590

Title: 画像映像情報の立体可視化技法に関する研究
Other Titles: ガゾウエイゾウジョウホウ ノ リッタイ カシカ ギホウ ニカンスル ケンキュウ 
Performance technology applied in making the three-dimensional display using visual image information
Authors: 辻岡, 勝美
古橋, 秀夫
秦野, 和郎
比嘉, 俊太郎
内田, 悦行
與語, 照明
劉, 京南
HIGA, Shuntaro
UCHIDA, Yoshiyuki
YOGO, Teruaki
LIU, Jing-Nan
Issue Date: 30-Jun-2000
Publisher: 愛知工業大学
Abstract: An automatic measuring system of three-dimensional shapes by a projection method with grating pattern from an optical spatial modulator has been developed. The characteristics of the system were studied. This system is composed of a projector, an optical spatial modulator, a CCD camera, and a computer. A liquid crystal is used as the optical spatial modulator. The grating patterns that are projected on the surface of the object are controlled by the computer-connected with the optical spatial modulator. The projected patterns are measured by the CCD camera. The date are transferred to the computer. After a transformation into line date, the date are analyzed to obtain the coordinate of the surface of the object. This system has following advantages. (1)It is possible to capture the surface topography without any contact. (2)The time required for the measurements is shorter than the light-section method. (3)An optical spatial modulator using a liquid crystal is possible to control the grating patterns accurately by a computer.
URI: http://hdl.handle.net/11133/1590
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