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| Presentation | 2011-02-22 09:55 A Study on Adaptive Spatial-Temporal Error Concealment method for Wavelet based Video Coding in Wireless Networks Sunmi Kim (Hokkaido Univ.), Hirokazu Tanaka (Toshiba), Takahiro Ogawa, Miki Haseyama (Hokkaido Univ.)  ITS2010-52 IE2010-127 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we present an adaptive spatial-temporal error concealment method for the wavelet based video coding in wireless networks. A three-dimensional discrete wavelet transform (3-D DWT) is performed 2-D spatial DWT coding and temporal DWT coding on a group of pictures (GOP). The transmission of compressed video suffers from errors such as packet losses that not only corrupt frame but also propagate successive frames. The proposed adaptive spatial-temporal error concealment method consists of spatial EC and temporal EC to overcome error propagation problems. The proposed method is concealing erroneous coefficients of the spatiotemporal low-frequency subband by their duplication information, and uses the proposed adaptive spatial-temporal concealment method to recover errors for entire video sequence. The performance of proposed method was evaluated with wireless packet transmission networks. Experimental results show the proposed method can serve robust and stable performance in error-prone environments. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wavelet video coding / Error-resilient / Error Concealment / Dispersive Grouping / Weighted interpolation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 421, IE2010-127, pp. 165-170, Feb. 2011. | |
| Paper # | IE2010-127 | |
| Date of Issue | 2011-02-14 (ITS, IE) | |
| 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 | ITS2010-52 IE2010-127 |
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| Conference Information | |
| Committee | ITS IE ITE-AIT ITE-HI ITE-ME |
| Conference Date | 2011-02-21 - 2011-02-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | IE |
| Conference Code | 2011-02-ITS-IE-AIT-HI-ME |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Adaptive Spatial-Temporal Error Concealment method for Wavelet based Video Coding in Wireless Networks |
| Sub Title (in English) | |
| Keyword(1) | Wavelet video coding |
| Keyword(2) | Error-resilient |
| Keyword(3) | Error Concealment |
| Keyword(4) | Dispersive Grouping |
| Keyword(5) | Weighted interpolation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Sunmi Kim |
| 1st Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 2nd Author's Name | Hirokazu Tanaka |
| 2nd Author's Affiliation | Toshiba Corporation (Toshiba) |
| 3rd Author's Name | Takahiro Ogawa |
| 3rd Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 4th Author's Name | Miki Haseyama |
| 4th Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-02-22 09:55:00 |
| Presentation Time | 25 minutes |
| Registration for | IE |
| Paper # | ITS2010-52, IE2010-127 |
| Volume (vol) | vol.110 |
| Number (no) | no.420(ITS), no.421(IE) |
| Page | pp.165-170 |
| #Pages | 6 |
| Date of Issue | 2011-02-14 (ITS, IE) |
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