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| Presentation | 2014-06-07 15:00 Detection of Gaze Target Objects Using Active Markers Hiroaki Kato, Atsushi Nakazawa, Toyoaki Nishida (Kyoto Univ.)  MVE2014-11 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Eye gaze tracking (EGT) is a common problem with many applications in various fields. While recent methods have achieved improvements in accuracy and usability, current techniques still share several limitations. To solve this issue, the corneal imaging technique has been studied and applied for EGT, which can solve major issue of existing approaches such as depth-varying conditions. In this paper, we show a novel EGT approach using an active illumination marker and the corneal imaging. The active illumination marker consists of IR-LEDs, a micro-controller and a wireless communication module. It emits a time-coded pattern light according to the synchronization signal sent from a control PC through the wireless unit. Therefore, we can identify the markers from corneal reflection images by analyzing the illumination patterns. In EGT application, we obtain the relative angles between the light spot of the marker and the gaze reflection point (GRP) at the corneal surface, which indicate the reflected position of the gaze target. In experiments, we conducted a gaze shifting test using four markers and find the angular distance between the marker reflection and GRP is less than 3 degrees, which becomes 26cm when the gaze target is located from 5m away from the user. According to these results, we confirmed the system has enough accuracy for communication analysis and joint attention detection. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | eye gaze tracking / corneal imaging / active illumination marker / communication analysis / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 73, MVE2014-11, pp. 117-122, June 2014. | |
| Paper # | MVE2014-11 | |
| Date of Issue | 2014-05-30 (MVE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | MVE2014-11 |
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| Conference Information | |
| Committee | MVE |
| Conference Date | 2014-06-06 - 2014-06-07 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MVE |
| Conference Code | 2014-06-MVE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Detection of Gaze Target Objects Using Active Markers |
| Sub Title (in English) | |
| Keyword(1) | eye gaze tracking |
| Keyword(2) | corneal imaging |
| Keyword(3) | active illumination marker |
| Keyword(4) | communication analysis |
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| 1st Author's Name | Hiroaki Kato |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Atsushi Nakazawa |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Toyoaki Nishida |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-06-07 15:00:00 |
| Presentation Time | 30 minutes |
| Registration for | MVE |
| Paper # | MVE2014-11 |
| Volume (vol) | vol.114 |
| Number (no) | no.73 |
| Page | pp.117-122 |
| #Pages | 6 |
| Date of Issue | 2014-05-30 (MVE) |
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