Unexpected corneal reflection phenomenon alters smartphone 3D image-based models of the eye
Reconstruction of a 3D eye model by photogrammetry from a smartphone video could be prospectively used in self-diagnosis, screening and telemedicine monitoring of diseases of the front part of the eye and its surroundings. The main use could be found in the treatment of diseases of the curvature and...
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Veröffentlicht in: | Journal of Electrical Engineering 2023-12, Vol.74 (6), p.513-520 |
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creator | Kurilová, Veronika Bemberáková, Dominika Kocián, Matúš Šterbák, Daniel Knapčok, Tomáš Palkovič, Miriam Hančák, Samuel Pavlovičová, Jarmila Oravec, Miloš Thurzo, Andrej Kolář, Petr Majtánová, Nora |
description | Reconstruction of a 3D eye model by photogrammetry from a smartphone video could be prospectively used in self-diagnosis, screening and telemedicine monitoring of diseases of the front part of the eye and its surroundings. The main use could be found in the treatment of diseases of the curvature and surface of the cornea and in follow-up after some refractive procedures. In our work, we create 3D image-based models of the eye after scanning the face with a smartphone. An unexpected phenomenon appeared during the reconstruction of the transparent cornea – a crater-like depression was formed at the place where nearby objects reflected on the cornea, which corresponds to the first Purkinje image, the so-called glint. We thus encountered complications that may arise when modelling transparent living structures from a video taken in a normal environment, which will need to be solved if we want to create such 3D models of the eye using this method for medical purposes. Another 3D reconstruction approach or additional algorithms must be considered as a future work. |
doi_str_mv | 10.2478/jee-2023-0059 |
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The main use could be found in the treatment of diseases of the curvature and surface of the cornea and in follow-up after some refractive procedures. In our work, we create 3D image-based models of the eye after scanning the face with a smartphone. An unexpected phenomenon appeared during the reconstruction of the transparent cornea – a crater-like depression was formed at the place where nearby objects reflected on the cornea, which corresponds to the first Purkinje image, the so-called glint. We thus encountered complications that may arise when modelling transparent living structures from a video taken in a normal environment, which will need to be solved if we want to create such 3D models of the eye using this method for medical purposes. 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The main use could be found in the treatment of diseases of the curvature and surface of the cornea and in follow-up after some refractive procedures. In our work, we create 3D image-based models of the eye after scanning the face with a smartphone. An unexpected phenomenon appeared during the reconstruction of the transparent cornea – a crater-like depression was formed at the place where nearby objects reflected on the cornea, which corresponds to the first Purkinje image, the so-called glint. We thus encountered complications that may arise when modelling transparent living structures from a video taken in a normal environment, which will need to be solved if we want to create such 3D models of the eye using this method for medical purposes. 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subjects | 3D image-based modelling Algorithms Cornea corneal reflections Eye (anatomy) eye model Glint Image reconstruction keratoconus Medical imaging Photogrammetry Smartphones Three dimensional models transparent cornea |
title | Unexpected corneal reflection phenomenon alters smartphone 3D image-based models of the eye |
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