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| Presentation | 2010-06-24 09:50 Tissue Harmonic Imaging with Chirp Signal Based on Split and Merge Starategy Masayuki Tanabe (Tokyo Metro. Univ./JSPS), Takuya Yamamura, Kan Okubo, Norio Tagawa (Tokyo Metro. Univ.)  US2010-16 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this study, we present a new tissue harmonic imaging (THI) method that uses multi chirp signals. Medical ultrasound images are required to be finer in both signal-to-noise ratio (SNR) and spatial resolution. For the solution, THI and pulse compression technique (PCT) have been researched. To avoid the overlap of the fundamental component and the harmonic component in frequency domain, the bandwidth of the fundamental component is required to be narrow. In our proposed method, we employ multi chirp signals. Each bandwidth of the transmitted signals is designed without overlap of the fundamental components and the harmonic components. The harmonic components of the obtained echo signals are extracted and vector-correlated with the mismatched filters corresponding to the harmonic frequencies. As a result of experiments, it is shown that we can obtain the high resolution images by these harmonic components. The results demonstrate the feasibility of the proposed method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | tissue harmonic imaging / pulse compression technique / chirp / pulse inversion / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 91, US2010-16, pp. 13-17, June 2010. | |
| Paper # | US2010-16 | |
| Date of Issue | 2010-06-17 (US) | |
| 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 | US2010-16 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2010-06-24 - 2010-06-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2010-06-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Tissue Harmonic Imaging with Chirp Signal Based on Split and Merge Starategy |
| Sub Title (in English) | |
| Keyword(1) | tissue harmonic imaging |
| Keyword(2) | pulse compression technique |
| Keyword(3) | chirp |
| Keyword(4) | pulse inversion |
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| 1st Author's Name | Masayuki Tanabe |
| 1st Author's Affiliation | Tokyo Metropolitan University/JSPS Research Fellow(DC) (Tokyo Metro. Univ./JSPS) |
| 2nd Author's Name | Takuya Yamamura |
| 2nd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
| 3rd Author's Name | Kan Okubo |
| 3rd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
| 4th Author's Name | Norio Tagawa |
| 4th Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-06-24 09:50:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2010-16 |
| Volume (vol) | vol.110 |
| Number (no) | no.91 |
| Page | pp.13-17 |
| #Pages | 5 |
| Date of Issue | 2010-06-17 (US) |
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