Augmented reality with image registration, vision correction and sunlight readability via liquid crystal devices

Abstract Augmented reality (AR), which use computer-aided projected information to augment our sense, has important impact on human life, especially for the elder people. However, there are three major challenges regarding the optical system in the AR system, which are registration, vision correctio...

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Autores principales:	Yu-Jen Wang, Po-Ju Chen, Xiao Liang, Yi-Hsin Lin
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/34179c0cae144ad5b7afc7b1bd9e73b1
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spelling	oai:doaj.org-article:34179c0cae144ad5b7afc7b1bd9e73b12021-12-02T11:52:58ZAugmented reality with image registration, vision correction and sunlight readability via liquid crystal devices10.1038/s41598-017-00492-22045-2322https://doaj.org/article/34179c0cae144ad5b7afc7b1bd9e73b12017-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00492-2https://doaj.org/toc/2045-2322Abstract Augmented reality (AR), which use computer-aided projected information to augment our sense, has important impact on human life, especially for the elder people. However, there are three major challenges regarding the optical system in the AR system, which are registration, vision correction, and readability under strong ambient light. Here, we solve three challenges simultaneously for the first time using two liquid crystal (LC) lenses and polarizer-free attenuator integrated in optical-see-through AR system. One of the LC lens is used to electrically adjust the position of the projected virtual image which is so-called registration. The other LC lens with larger aperture and polarization independent characteristic is in charge of vision correction, such as myopia and presbyopia. The linearity of lens powers of two LC lenses is also discussed. The readability of virtual images under strong ambient light is solved by electrically switchable transmittance of the LC attenuator originating from light scattering and light absorption. The concept demonstrated in this paper could be further extended to other electro-optical devices as long as the devices exhibit the capability of phase modulations and amplitude modulations.Yu-Jen WangPo-Ju ChenXiao LiangYi-Hsin LinNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yu-Jen Wang Po-Ju Chen Xiao Liang Yi-Hsin Lin Augmented reality with image registration, vision correction and sunlight readability via liquid crystal devices
description	Abstract Augmented reality (AR), which use computer-aided projected information to augment our sense, has important impact on human life, especially for the elder people. However, there are three major challenges regarding the optical system in the AR system, which are registration, vision correction, and readability under strong ambient light. Here, we solve three challenges simultaneously for the first time using two liquid crystal (LC) lenses and polarizer-free attenuator integrated in optical-see-through AR system. One of the LC lens is used to electrically adjust the position of the projected virtual image which is so-called registration. The other LC lens with larger aperture and polarization independent characteristic is in charge of vision correction, such as myopia and presbyopia. The linearity of lens powers of two LC lenses is also discussed. The readability of virtual images under strong ambient light is solved by electrically switchable transmittance of the LC attenuator originating from light scattering and light absorption. The concept demonstrated in this paper could be further extended to other electro-optical devices as long as the devices exhibit the capability of phase modulations and amplitude modulations.
format	article
author	Yu-Jen Wang Po-Ju Chen Xiao Liang Yi-Hsin Lin
author_facet	Yu-Jen Wang Po-Ju Chen Xiao Liang Yi-Hsin Lin
author_sort	Yu-Jen Wang
title	Augmented reality with image registration, vision correction and sunlight readability via liquid crystal devices
title_short	Augmented reality with image registration, vision correction and sunlight readability via liquid crystal devices
title_full	Augmented reality with image registration, vision correction and sunlight readability via liquid crystal devices
title_fullStr	Augmented reality with image registration, vision correction and sunlight readability via liquid crystal devices
title_full_unstemmed	Augmented reality with image registration, vision correction and sunlight readability via liquid crystal devices
title_sort	augmented reality with image registration, vision correction and sunlight readability via liquid crystal devices
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/34179c0cae144ad5b7afc7b1bd9e73b1
work_keys_str_mv	AT yujenwang augmentedrealitywithimageregistrationvisioncorrectionandsunlightreadabilityvialiquidcrystaldevices AT pojuchen augmentedrealitywithimageregistrationvisioncorrectionandsunlightreadabilityvialiquidcrystaldevices AT xiaoliang augmentedrealitywithimageregistrationvisioncorrectionandsunlightreadabilityvialiquidcrystaldevices AT yihsinlin augmentedrealitywithimageregistrationvisioncorrectionandsunlightreadabilityvialiquidcrystaldevices
_version_	1718394916964401152

Augmented reality with image registration, vision correction and sunlight readability via liquid crystal devices

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