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Dynamic focal tracker display
Author(s): Lihui Wang; Yunpu Hu; Hongjin Xu; Masatoshi Ishikawa
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Paper Abstract

It is a challenge for conventional projectors to conduct projection mapping for a 3D dynamic moving object along the depth direction, due to the limitation of their narrow depth-of-field. Here, a dynamic projection system is proposed that has overcome the above limitation by employing a liquid-filled variable focal unit and a depth-sensing module. The depth sensor detected the depth information of the projection target, and then served as feedback to adjust the focal length of the variable focal lens, in turn, the focal length of the projection system would be controlled. A well-focused projection mapping with a randomly moving object would be demonstrated.

Paper Details

Date Published: 1 March 2019
PDF: 8 pages
Proc. SPIE 10942, Advances in Display Technologies IX, 109420K (1 March 2019); doi: 10.1117/12.2506958
Show Author Affiliations
Lihui Wang, The Univ. of Tokyo (Japan)
Yunpu Hu, The Univ. of Tokyo (Japan)
Hongjin Xu, The Univ. of Tokyo (Japan)
Masatoshi Ishikawa, The Univ. of Tokyo (Japan)

Published in SPIE Proceedings Vol. 10942:
Advances in Display Technologies IX
Jiun-Haw Lee; Qiong-Hua Wang; Tae-Hoon Yoon, Editor(s)

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