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| Presentation | 2009-11-04 09:30 A novel technique for small ship detection by using MLCC and CFAR from SAR images Seong-In Hwang, Kazuo Ouchi (National Defense Academy)  SANE2009-130 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | During the calibration and validation stage of ALOS-PALSAR (Advanced Land Observing Satellite-Phased Array L-band Synthetic Aperture Radar) in 2006, we examined 4 ship detection algorithms including MLCC (Multi-Look Cross-Correlation) which is an useful technique to extract the images of ships embedded in heavy sea clutter. The result was that some boats were detected by thresholding MLCC coherence images under favourable conditions. However, it was also found that MLCC coherence images include correlated noise from sea surface and the threshold method was not suitable to automatically determine the threshold levels corresponding to desired FAR (False Alarm Rate) values. In order to overcome these problems, we propose a new and simple technique of MLCC-CFAR (or Gamma-CFAR). In this method, CFAR (Constant False Alarm Rate) is applied to inter-look coherence images produced by MLCC. We tested this new algorithm using simulation and 4 PALSAR data, and found that the increase of SNR up to about 10 dB and the reduction of FAR by 38% on average in comparison with those by the conventional method of thresholding the coherence images. In this papaer, we summarize the MLCC-CFAR algorithm and the experimental results. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Ship Detection / SAR / MLCC / CCF / CFAR / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 265, SANE2009-130, pp. 263-268, Nov. 2009. | |
| Paper # | SANE2009-130 | |
| Date of Issue | 2009-10-26 (SANE) | |
| 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 | SANE2009-130 |
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| Conference Information | |
| Committee | SANE |
| Conference Date | 2009-11-01 - 2009-11-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Fudan University (Shanghai) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | WSANE 2009 (Workshop for Space, Aeronautical and Navigational Electronics) |
| Paper Information | |
| Registration To | SANE |
| Conference Code | 2009-11-SANE |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A novel technique for small ship detection by using MLCC and CFAR from SAR images |
| Sub Title (in English) | |
| Keyword(1) | Ship Detection |
| Keyword(2) | SAR |
| Keyword(3) | MLCC |
| Keyword(4) | CCF |
| Keyword(5) | CFAR |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Seong-In Hwang |
| 1st Author's Affiliation | National Defense Academy (National Defense Academy) |
| 2nd Author's Name | Kazuo Ouchi |
| 2nd Author's Affiliation | National Defense Academy (National Defense Academy) |
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| Speaker | Author-1 |
| Date Time | 2009-11-04 09:30:00 |
| Presentation Time | 20 minutes |
| Registration for | SANE |
| Paper # | SANE2009-130 |
| Volume (vol) | vol.109 |
| Number (no) | no.265 |
| Page | pp.263-268 |
| #Pages | 6 |
| Date of Issue | 2009-10-26 (SANE) |
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