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How to use VNG and to evaluate its data Takao Imai 1 1Department of Otorhinolaryngology-Head and Neck Surgery, Osaka University Graduate School of Medicine Keyword: 眼球運動三次元解析 , Fick座標 , 固定座標 pp.609-617
Published Date 2012/6/15
DOI https://doi.org/10.11477/mf.1542103037
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VNG (video-nystagmography) is the system that records eye movement by camera. For clinical use VNG is the most suitable system to record eye movement because the system is non-invasive. Applying a computer image analyzing system to the image of eye movement recorded by camera, eye movement is analyzed in three dimensions. There are two types of VNG system : One for analysis using Fick coordinates, and the other for analysis using axis angle, rotation vector and quaternions. In this review, I explain how to use VNG and to evaluate the data of VNG.


Copyright © 2012, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1367 印刷版ISSN 0485-1420 医学書院

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