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| Presentation | 2012-01-20 11:25 [Poster Presentation] Development of image analysis and quantitative evaluation of the Locomotive syndrome Hirofumi Nawa, Tsuneo Watanabe, Daisuke Fukuoka, Nobuo Terabayashi, Takeshi Hara, Hiroshi Fujita (Gifu Univ.)  MI2011-133 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A word to describe the state of requiring care and high-risk condition by musculoskeletal disorders as “Locomotive syndrome” has been proposed. For evaluation of Locomotive syndrome, methods for analyzing ultrasound images of the gastrocnemius muscle and evaluating conditions, such as pannation angle, have been focused. In this study, we propose a method for automatic measurement of the angle of the gastrocnemius muscle fibers obtained by ultrasound device. First, we manually locate the muscle-fiber area from gastrocnemius muscle on B-mode images. Then, we created the gray level co-occurrence matrix (GLCM) from the muscle-fiber area and considered the displacement angle θ(-30°≦θ≦30°) of the GLCM with the minimal contrast as the angle of the gastrocnemius muscle fibers θf. In this study, for comparing the result with panneton angle measured by the expert, the pannation angle θp was determined by θ'p=θf+θs, in which the tilt angle θs of the aponeurosis was manually measured. When this method was applied to 109 cases, the correlation coefficient between the angle measured by this method and by the expert was 0.78. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Locomotive syndrome / Gastrocnemius muscle / Pannation angle / Gray level co-occurrence matrix / Contrast / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 389, MI2011-133, pp. 311-314, Jan. 2012. | |
| Paper # | MI2011-133 | |
| Date of Issue | 2012-01-12 (MI) | |
| 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 | MI2011-133 |
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| Conference Information | |
| Committee | MI |
| Conference Date | 2012-01-19 - 2012-01-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MI |
| Conference Code | 2012-01-MI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of image analysis and quantitative evaluation of the Locomotive syndrome |
| Sub Title (in English) | |
| Keyword(1) | Locomotive syndrome |
| Keyword(2) | Gastrocnemius muscle |
| Keyword(3) | Pannation angle |
| Keyword(4) | Gray level co-occurrence matrix |
| Keyword(5) | Contrast |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hirofumi Nawa |
| 1st Author's Affiliation | Gifu University (Gifu Univ.) |
| 2nd Author's Name | Tsuneo Watanabe |
| 2nd Author's Affiliation | Gifu University (Gifu Univ.) |
| 3rd Author's Name | Daisuke Fukuoka |
| 3rd Author's Affiliation | Gifu University (Gifu Univ.) |
| 4th Author's Name | Nobuo Terabayashi |
| 4th Author's Affiliation | Gifu University (Gifu Univ.) |
| 5th Author's Name | Takeshi Hara |
| 5th Author's Affiliation | Gifu University (Gifu Univ.) |
| 6th Author's Name | Hiroshi Fujita |
| 6th Author's Affiliation | Gifu University (Gifu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-01-20 11:25:00 |
| Presentation Time | 30 minutes |
| Registration for | MI |
| Paper # | MI2011-133 |
| Volume (vol) | vol.111 |
| Number (no) | no.389 |
| Page | pp.311-314 |
| #Pages | 4 |
| Date of Issue | 2012-01-12 (MI) |
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