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| Presentation | 2015-12-02 12:05 A proposal of the light field image compression and decompression using HEVC Takamasa Mitani, Thi Hong Tran, Shinya Takamaeda, Yasuhiko Nakashima (NAIST)  CPSY2015-67 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A light field image is a type of images that can refocus and extend the depth of field by post processing. A light field raw image consists of multiple image blocks. Each image block has 75x75 pixels.The light field image commonly requires 4 times the resolution of the final images. However, The typical image compression technique for this type of data is not standardized. In this paper, Due to high correlation of neighbor images, Each group of adjacent images is considered as frames of video, we compressed these frames by HEVC. We achieved 69.5% bit saving which is 2.5% better than that of compression techniques for still image. We varied the size of the blocks of this frames, the differences of the ratio of bit saving for this image using proposal methods are within 1%. We applied the just same splitting image technique to the pseudo light field movie and varied the size of the blocks of this movie,the differences of the ratio of bit saving are also within 1%. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | HEVC / light field image / light field movie / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 342, CPSY2015-67, pp. 33-38, Dec. 2015. | |
| Paper # | CPSY2015-67 | |
| Date of Issue | 2015-11-24 (CPSY) | |
| 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 | CPSY2015-67 |
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| Conference Information | |
| Committee | VLD DC IPSJ-SLDM CPSY RECONF ICD CPM |
| Conference Date | 2015-12-01 - 2015-12-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagasaki Kinro Fukushi Kaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Design Gaia 2015 -New Field of VLSI Design- |
| Paper Information | |
| Registration To | CPSY |
| Conference Code | 2015-12-VLD-DC-SLDM-CPSY-RECONF-ICD-CPM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A proposal of the light field image compression and decompression using HEVC |
| Sub Title (in English) | |
| Keyword(1) | HEVC |
| Keyword(2) | light field image |
| Keyword(3) | light field movie |
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| 1st Author's Name | Takamasa Mitani |
| 1st Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 2nd Author's Name | Thi Hong Tran |
| 2nd Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 3rd Author's Name | Shinya Takamaeda |
| 3rd Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 4th Author's Name | Yasuhiko Nakashima |
| 4th Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
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| Speaker | Author-1 |
| Date Time | 2015-12-02 12:05:00 |
| Presentation Time | 25 minutes |
| Registration for | CPSY |
| Paper # | CPSY2015-67 |
| Volume (vol) | vol.115 |
| Number (no) | no.342 |
| Page | pp.33-38 |
| #Pages | 6 |
| Date of Issue | 2015-11-24 (CPSY) |
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