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| Presentation | 2013-03-13 10:10 Recognition of Three-dimensional Geometry using Multipoint Force feedback on a Fingertip -- Subjective assessment of the ease of understanding edges and vertices by number of force-feedback points -- Takuya Handa, Tadahiro Sakai, Toshihiro Shimizu (NHK), Hiroyuki Shinoda (Univ. of Tokyo)  HIP2012-75 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We aim to develop a method for conveying 3D shapes to visually impaired persons by tactile means. In conventional point-contact-type force feedback devices, it has been difficult to tactilely explore edges and vertices, which are important in recognizing 3D shapes. To improve the recognition of edges and vertices, we have constructed a prototype device that can provide force feedback with three degrees of freedom to each of five points on a fingertip. Using this device, we performed a subjective assessment with the cooperation of four visually impaired persons on the ease of understanding an object's edges and vertices as a function of the number of force-feedback points. When compared with the conventional point-contact method, the assessment suggested that the ease of understanding edges and vertices improved significantly with two or more force-feedback points, and that could be most easily understood when using four force-feedback points under the conditions of this experiment. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 3D Shape Recognition / Visually impaired / Multipoint force feedback / Subjective assessment / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 483, HIP2012-75, pp. 13-16, March 2013. | |
| Paper # | HIP2012-75 | |
| Date of Issue | 2013-03-06 (HIP) | |
| 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 | HIP2012-75 |
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| Conference Information | |
| Committee | HIP |
| Conference Date | 2013-03-13 - 2013-03-14 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | okinawa-sangyoushien center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Haptics, Hand, etc. |
| Paper Information | |
| Registration To | HIP |
| Conference Code | 2013-03-HIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Recognition of Three-dimensional Geometry using Multipoint Force feedback on a Fingertip |
| Sub Title (in English) | Subjective assessment of the ease of understanding edges and vertices by number of force-feedback points |
| Keyword(1) | 3D Shape Recognition |
| Keyword(2) | Visually impaired |
| Keyword(3) | Multipoint force feedback |
| Keyword(4) | Subjective assessment |
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| 1st Author's Name | Takuya Handa |
| 1st Author's Affiliation | NHK Science & Technology Research Laboratories (NHK) |
| 2nd Author's Name | Tadahiro Sakai |
| 2nd Author's Affiliation | NHK Science & Technology Research Laboratories (NHK) |
| 3rd Author's Name | Toshihiro Shimizu |
| 3rd Author's Affiliation | NHK Science & Technology Research Laboratories (NHK) |
| 4th Author's Name | Hiroyuki Shinoda |
| 4th Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2013-03-13 10:10:00 |
| Presentation Time | 20 minutes |
| Registration for | HIP |
| Paper # | HIP2012-75 |
| Volume (vol) | vol.112 |
| Number (no) | no.483 |
| Page | pp.13-16 |
| #Pages | 4 |
| Date of Issue | 2013-03-06 (HIP) |
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