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| Presentation | 2014-03-17 13:50 A Study on Improvement of Target Discrimination by Feature Enhancement in Rapid Serial Visual Presentation Kohei Kawai, Tomohiro Yoshikawa, Takeshi Furuhashi (Nagoya Univ.)  NC2013-123 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the conventional P300-based Brain Computer Interfaces, the interface where characters are matrix-arrayed has been used for the stimulus presentation. However, in this interface, the movement of viewpoint is needed because of pointing to a character or a command which a user wants to input, then this movement of viewpoint could be serious problem for some users. To solve this problem, Rapid Serial Visual Presentation (RSVP) has been proposed. In RSVP interface, characters are presented one by one at a fixed location, usually the center, on a display, hence eye movements by a user are not required. In the matrix arrayed interface, a user is just required to discriminate whether the target character is flashed or not. On the other hand, in RSVP interface, user needs to discriminate the presented character from the other characters in a moment. Therefore, in RSVP interface, the performance to input characters is often reduced. This paper proposes the method of emphasizing features of presented characters partially in RSVP interface. The result of an offline experiment showed that the information transfer rate in the proposed method was four third as higher as the non-emphasizing method. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | BCI / P300 speller / gaze independent / rapid serial visual presentation / character discrimination / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 500, NC2013-123, pp. 199-202, March 2014. | |
| Paper # | NC2013-123 | |
| Date of Issue | 2014-03-10 (NC) | |
| 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 | NC2013-123 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2014-03-17 - 2014-03-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tamagawa University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | NC |
| Conference Code | 2014-03-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Improvement of Target Discrimination by Feature Enhancement in Rapid Serial Visual Presentation |
| Sub Title (in English) | |
| Keyword(1) | BCI |
| Keyword(2) | P300 speller |
| Keyword(3) | gaze independent |
| Keyword(4) | rapid serial visual presentation |
| Keyword(5) | character discrimination |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kohei Kawai |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 2nd Author's Name | Tomohiro Yoshikawa |
| 2nd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 3rd Author's Name | Takeshi Furuhashi |
| 3rd Author's Affiliation | Nagoya University (Nagoya Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-03-17 13:50:00 |
| Presentation Time | 20 minutes |
| Registration for | NC |
| Paper # | NC2013-123 |
| Volume (vol) | vol.113 |
| Number (no) | no.500 |
| Page | pp.199-202 |
| #Pages | 4 |
| Date of Issue | 2014-03-10 (NC) |
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