| Project/Area Number |
24650105
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Sensitivity informatics/Soft computing
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| Research Institution | Kyoto University |
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Principal Investigator |
Kawano Kenji 京都大学, 健康長寿社会の総合医療開発ユニット, 特任教授 (40134530)
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| Co-Investigator(Kenkyū-buntansha) |
MATSUDA Keiji 産業技術総合研究所, 人間情報研究部門, 主任研究員 (50358024)
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| Project Period (FY) |
2012-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Keywords | eye movements / 3-D vision / 神経科学 / 眼球運動 / 計測装置 / 輻輳運動 / ヒト / 両眼 / サル / マウス |
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| Outline of Final Research Achievements |
We developed a new binocular eye tracking system. The system adopts a wide-field, hi-resolution (2048x2048 pixels), and hi-frame-rate USB-3.0 digital camera. Infrared light illuminates both eyes and the reflected image of the illumination on the cornea and the black image of the pupil of each eye are captured by the camera. The center of the pupil is calculated by fitting an ellipse and tracked over time. The reflected image of the illumination on the cornea is used to compensate head-movements.
To assess the quality of this system, we developed a new "real 3-D visual display system" that presents two wide-field visual images placed at different distances but at the same visual angle from the subject. By using the binocular eye tracking system and the real 3-D visual display system, we characterized vergence eye movements of humans when ocular fixation shifted between two visual stimuli of the same view angles placed at different distances in 3-D space.
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