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High-Speed Focal Tracking Projection Based on Liquid Lens

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PubDate: August 2020

Teams: Guangdong Institute of Semiconductor Industrial Technology, Tokyo Institute of Technology, The University of Tokyo

Writers: Lihui Wang, Hongjin Xu, Satoshi Tabata, Yunpu Hu, Yoshihiro Watanabe, Masatoshi Ishikawa

PDF: High-Speed Focal Tracking Projection Based on Liquid Lens

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Abstract

A high-speed projection system with a dynamic focal tracking technology based on a variable focus lens will be illustrated. The traditional projection was limited on 2D space, due to their narrow depth-of-field projection range. The proposed system included a high-speed variable focus lens, a high-speed camera, and a highspeed projector, so that the depth information would be detected and then served as feedback to correct the focal length and update the projection information in high-speed. As a result, the information would be well-focused projected even on a 3D dynamic moving object

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