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| Presentation | 2014-09-19 13:10 A Study of Image Coding Using Multiple Bases Sets Designed under Different Sparsity Condition Takahiro Imaizumi, Ji Wang, Yoshiyuki Yashima (Chiba Inst. of Tech.)  LOIS2014-25 IE2014-38 EMM2014-55 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We had proposed an image coding method using the multiple sparse bases sets based on local features calculated by DSIFT, in which an image to be encoded is divided into blocks and class number of each block is determined, and the sparse bases set designed for the class is utilized for encoding. In this paper, we introduce a new technique using the multiple sparse bases sets designed under different sparsity conditions. In the proposed method, for each class classified with local features, several sparse bases sets are designed under different K-SVD constraint condition about the number of non-zero coefficients, and they are adaptively used block by block in the encoder. Experimental results show that the proposed method can improve R-D coding efficiency compared to conventional one using single bases set for each class. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Image coding / Spase coding / K-SVD / OMP / DSHIFT / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 221, IE2014-38, pp. 85-90, Sept. 2014. | |
| Paper # | IE2014-38 | |
| Date of Issue | 2014-09-11 (LOIS, IE, EMM) | |
| 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 | LOIS2014-25 IE2014-38 EMM2014-55 |
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| Conference Information | |
| Committee | IE EMM LOIS IEE-CMN ITE-ME |
| Conference Date | 2014-09-18 - 2014-09-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | IE |
| Conference Code | 2014-09-IE-EMM-LOIS-CMN-ME |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study of Image Coding Using Multiple Bases Sets Designed under Different Sparsity Condition |
| Sub Title (in English) | |
| Keyword(1) | Image coding |
| Keyword(2) | Spase coding |
| Keyword(3) | K-SVD |
| Keyword(4) | OMP |
| Keyword(5) | DSHIFT |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takahiro Imaizumi |
| 1st Author's Affiliation | Chiba Institute of Technology (Chiba Inst. of Tech.) |
| 2nd Author's Name | Ji Wang |
| 2nd Author's Affiliation | Chiba Institute of Technology (Chiba Inst. of Tech.) |
| 3rd Author's Name | Yoshiyuki Yashima |
| 3rd Author's Affiliation | Chiba Institute of Technology (Chiba Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2014-09-19 13:10:00 |
| Presentation Time | 25 minutes |
| Registration for | IE |
| Paper # | LOIS2014-25, IE2014-38, EMM2014-55 |
| Volume (vol) | vol.114 |
| Number (no) | no.220(LOIS), no.221(IE), no.222(EMM) |
| Page | pp.85-90 |
| #Pages | 6 |
| Date of Issue | 2014-09-11 (LOIS, IE, EMM) |
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