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Deep focus light-field camera for handheld 3D intraoral scanning using crosstalk-free solid immersion microlens arrays
3D in vivo imaging techniques facilitate disease tracking and treatment, but bulky configurations and motion artifacts limit practical clinical applications. Compact light-field cameras with microlens arrays offer a feasible option for rapid volumetric imaging, yet their utilization in clinical prac...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
AIP Publishing LLC
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10465169/ https://www.ncbi.nlm.nih.gov/pubmed/37649619 http://dx.doi.org/10.1063/5.0155862 |
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author | Kwon, Jae-Myeong Bae, Sang-In Kim, Taehan Kim, Jeong Kun Jeong, Ki-Hun |
author_facet | Kwon, Jae-Myeong Bae, Sang-In Kim, Taehan Kim, Jeong Kun Jeong, Ki-Hun |
author_sort | Kwon, Jae-Myeong |
collection | PubMed |
description | 3D in vivo imaging techniques facilitate disease tracking and treatment, but bulky configurations and motion artifacts limit practical clinical applications. Compact light-field cameras with microlens arrays offer a feasible option for rapid volumetric imaging, yet their utilization in clinical practice necessitates an increased depth-of-field for handheld operation. Here, we report deep focus light-field camera (DF-LFC) with crosstalk-free solid immersion microlens arrays (siMLAs), allowing large depth-of-field and high-resolution imaging for handheld 3D intraoral scanning. The siMLAs consist of thin PDMS-coated microlens arrays and a metal–insulator–metal absorber to extend the focal length with low optical crosstalk and specular reflection. The experimental results show that the immersion of MLAs in PDMS increases the focal length by a factor of 2.7 and the transmittance by 5.6%–27%. Unlike conventional MLAs, the siMLAs exhibit exceptionally high f-numbers up to f/6, resulting in a large depth-of-field for light-field imaging. The siMLAs were fully integrated into an intraoral scanner to reconstruct a 3D dental phantom with a distance measurement error of 82 ± 41 μm during handheld operation. The DF-LFC offers a new direction not only for digital dental impressions with high accuracy, simplified workflow, reduced waste, and digital compatibility but also for assorted clinical endoscopy and microscopy. |
format | Online Article Text |
id | pubmed-10465169 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | AIP Publishing LLC |
record_format | MEDLINE/PubMed |
spelling | pubmed-104651692023-08-30 Deep focus light-field camera for handheld 3D intraoral scanning using crosstalk-free solid immersion microlens arrays Kwon, Jae-Myeong Bae, Sang-In Kim, Taehan Kim, Jeong Kun Jeong, Ki-Hun APL Bioeng Articles 3D in vivo imaging techniques facilitate disease tracking and treatment, but bulky configurations and motion artifacts limit practical clinical applications. Compact light-field cameras with microlens arrays offer a feasible option for rapid volumetric imaging, yet their utilization in clinical practice necessitates an increased depth-of-field for handheld operation. Here, we report deep focus light-field camera (DF-LFC) with crosstalk-free solid immersion microlens arrays (siMLAs), allowing large depth-of-field and high-resolution imaging for handheld 3D intraoral scanning. The siMLAs consist of thin PDMS-coated microlens arrays and a metal–insulator–metal absorber to extend the focal length with low optical crosstalk and specular reflection. The experimental results show that the immersion of MLAs in PDMS increases the focal length by a factor of 2.7 and the transmittance by 5.6%–27%. Unlike conventional MLAs, the siMLAs exhibit exceptionally high f-numbers up to f/6, resulting in a large depth-of-field for light-field imaging. The siMLAs were fully integrated into an intraoral scanner to reconstruct a 3D dental phantom with a distance measurement error of 82 ± 41 μm during handheld operation. The DF-LFC offers a new direction not only for digital dental impressions with high accuracy, simplified workflow, reduced waste, and digital compatibility but also for assorted clinical endoscopy and microscopy. AIP Publishing LLC 2023-08-28 /pmc/articles/PMC10465169/ /pubmed/37649619 http://dx.doi.org/10.1063/5.0155862 Text en © 2023 Author(s). https://creativecommons.org/licenses/by/4.0/All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ). |
spellingShingle | Articles Kwon, Jae-Myeong Bae, Sang-In Kim, Taehan Kim, Jeong Kun Jeong, Ki-Hun Deep focus light-field camera for handheld 3D intraoral scanning using crosstalk-free solid immersion microlens arrays |
title | Deep focus light-field camera for handheld 3D intraoral scanning using crosstalk-free solid immersion microlens arrays |
title_full | Deep focus light-field camera for handheld 3D intraoral scanning using crosstalk-free solid immersion microlens arrays |
title_fullStr | Deep focus light-field camera for handheld 3D intraoral scanning using crosstalk-free solid immersion microlens arrays |
title_full_unstemmed | Deep focus light-field camera for handheld 3D intraoral scanning using crosstalk-free solid immersion microlens arrays |
title_short | Deep focus light-field camera for handheld 3D intraoral scanning using crosstalk-free solid immersion microlens arrays |
title_sort | deep focus light-field camera for handheld 3d intraoral scanning using crosstalk-free solid immersion microlens arrays |
topic | Articles |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10465169/ https://www.ncbi.nlm.nih.gov/pubmed/37649619 http://dx.doi.org/10.1063/5.0155862 |
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