| Presentation | 2007-03-15 Bicoherence analysis of pupil noise Yoshitomo NISHIGUCHI, Junpei NISHIYAMA, Naohiro TODA, Yutaka HIRATA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Spontaneous pupillary oscillation under constant illumination is called pupil nose. In recent years, pupil noise is studied as a subjective measure for assessing exhaustion and sleepiness. Second order statistics such as power spectrum have been widely used to analyze pupil noise and describe its statistical characteristics. However, since pupillary control system is a non-linear system, the level of sleepiness may be reflected in higher-order statistics, such as bispectrum of pupil noise. We recorded pupil noise of human subjects during driving simulation under a sleepiness controlled condition, and calculated its bicoherence. It was demonstrated that there are significant differences in bicoherence of pupil noise depending upon subject's sleepiness. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Pupil noise / Non-gaussianty / Higher-order spectra / High-order statistics / Bicoherence |
| Paper # | MBE2006-130 |
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| Conference Information | |
| Committee | MBE |
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| Conference Date | 2007/3/8(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | ME and Bio Cybernetics (MBE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Bicoherence analysis of pupil noise |
| Sub Title (in English) | |
| Keyword(1) | Pupil noise |
| Keyword(2) | Non-gaussianty |
| Keyword(3) | Higher-order spectra |
| Keyword(4) | High-order statistics |
| Keyword(5) | Bicoherence |
| 1st Author's Name | Yoshitomo NISHIGUCHI |
| 1st Author's Affiliation | Center for Advanced Metrogy, Chubu University() |
| 2nd Author's Name | Junpei NISHIYAMA |
| 2nd Author's Affiliation | Department of Computer Sciences, Chubu University Graduate School of Engineering |
| 3rd Author's Name | Naohiro TODA |
| 3rd Author's Affiliation | Graduate School of Information Science and Technology, Aichi Prefectural University |
| 4th Author's Name | Yutaka HIRATA |
| 4th Author's Affiliation | Center for Advanced Metrogy, Chubu University:Graduate School of Information Science and Technology, Aichi Prefectural University |
| Date | 2007-03-15 |
| Paper # | MBE2006-130 |
| Volume (vol) | vol.106 |
| Number (no) | 591 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |