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1 March 2019 Dynamic focal tracker display
Lihui Wang, Yunpu Hu, Hongjin Xu, Masatoshi Ishikawa
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Proceedings Volume 10942, Advances in Display Technologies IX; 109420K (2019) https://doi.org/10.1117/12.2506958
Event: SPIE OPTO, 2019, San Francisco, California, United States
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.
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Lihui Wang, Yunpu Hu, Hongjin Xu, and Masatoshi Ishikawa "Dynamic focal tracker display", Proc. SPIE 10942, Advances in Display Technologies IX, 109420K (1 March 2019); https://doi.org/10.1117/12.2506958
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KEYWORDS
Projection systems
Sensors
3D acquisition
Target detection
Information science
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