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| Presentation | 2011-12-16 10:50 Hierarchal Predefine Codebook based Image Enlargement and Its FPGA Implementation Hakaru Tamukoh (TUAT), Hideaki Kawano (KIT), Noriaki Suetake (Yamaguchi Univ.), Masatoshi Sekine (TUAT), Byungki Cha, Takashi Aso (KIIS)  SIS2011-51 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The codebook based method, which consists of a relationship of high- and low-frequency image components, achieves a high-quality image enlargement with high-frequency component augmentation. However, a codebook search process takes too much calculation time and it is not appropriate for a real-time application such as a moving image enlargement. To solve this problem, we propose a hierarchical predefined codebook to reduce the calculation cost and design a massively parallel and pipelined digital hardware architecture to realize the real-time codebook search. Simulation results show that the proposed method is 40 times faster than the ordinary method, and its FPGA implementation achieves a performance of around 54 fps for VGA size image enlargement. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Image Enlargement / Codebook / FPGA / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 342, SIS2011-51, pp. 63-67, Dec. 2011. | |
| Paper # | SIS2011-51 | |
| Date of Issue | 2011-12-08 (SIS) | |
| 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 | SIS2011-51 |
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| Conference Information | |
| Committee | SIS |
| Conference Date | 2011-12-15 - 2011-12-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SIS |
| Conference Code | 2011-12-SIS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Hierarchal Predefine Codebook based Image Enlargement and Its FPGA Implementation |
| Sub Title (in English) | |
| Keyword(1) | Image Enlargement |
| Keyword(2) | Codebook |
| Keyword(3) | FPGA |
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| 1st Author's Name | Hakaru Tamukoh |
| 1st Author's Affiliation | Tokyo university of agricluture and techology (TUAT) |
| 2nd Author's Name | Hideaki Kawano |
| 2nd Author's Affiliation | Kyushu Institute of Technology (KIT) |
| 3rd Author's Name | Noriaki Suetake |
| 3rd Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
| 4th Author's Name | Masatoshi Sekine |
| 4th Author's Affiliation | Tokyo university of agricluture and techology (TUAT) |
| 5th Author's Name | Byungki Cha |
| 5th Author's Affiliation | Kyushu Institute of Information Sciences (KIIS) |
| 6th Author's Name | Takashi Aso |
| 6th Author's Affiliation | Kyushu Institute of Information Sciences (KIIS) |
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| Speaker | Author-1 |
| Date Time | 2011-12-16 10:50:00 |
| Presentation Time | 25 minutes |
| Registration for | SIS |
| Paper # | SIS2011-51 |
| Volume (vol) | vol.111 |
| Number (no) | no.342 |
| Page | pp.63-67 |
| #Pages | 5 |
| Date of Issue | 2011-12-08 (SIS) |
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