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Paper Abstract and Keywords
Presentation 2013-04-18 14:50
Energy-aware Multi-view Video Streaming over Wireless Networks
Zhi Liu, Jingyun Feng, Yusheng Ji (SOKENDAI), Yongbing Zhang (Univ. of Tsukuba) CQ2013-3
Abstract (in Japanese) (See Japanese page) 
(in English) By transmitting texture and depth maps of the views captured using two adjacent cameras, the user can synthesize any middle view with a depth image based rendering (DIBR) technique such as 3D-warping, which provides the user with continuous view angles and is key technique for Free Viewpoint TV (FTV). Because multiple views must be delivered through a bandwidth-limited wireless network, one important issue is how to reduce the source coding rate. The standard multi-view video codec H.264 MVC explores the inter-view and intra-view correlation to reduce the coding rate per frame. Because all the views are required at the client side for decoding, it is apparently not transmission efficient. A better solution is using H.264 to differentially encode the two adjacent views separately to reduce the total transmission rate. Multiple description coding (MDC) encodes the two adjacent views into multiple descriptions. This inspires another option: sending only part of each view, which can greatly reduce the required bandwidth, although precious battery life must be consumed to interpolate the skipped frames before synthesizing the middle view. In this paper, we investigate both transmission quality and energy consumption under the bandwidth constraint. We formulate the problem into an optimization problem, i.e., maximizing system utility, and propose an algorithm to solve it. The simulation results show that our proposed scheme provides a significant advantage over competing schemes in typical network conditions.
Keyword (in Japanese) (See Japanese page) 
(in English) multi-view video / energy consumption / video streaming / / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 7, CQ2013-3, pp. 13-18, April 2013.
Paper # CQ2013-3 
Date of Issue 2013-04-11 (CQ) 
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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF CQ2013-3

Conference Information
Committee CQ CS  
Conference Date 2013-04-18 - 2013-04-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Sado Island Development Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SDN (Software-Defined Network), Cloud, Network Virtualization, Service Quality, Contents Delivery, etc 
Paper Information
Registration To CQ 
Conference Code 2013-04-CQ-CS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Energy-aware Multi-view Video Streaming over Wireless Networks 
Sub Title (in English)  
Keyword(1) multi-view video  
Keyword(2) energy consumption  
Keyword(3) video streaming  
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1st Author's Name Zhi Liu  
1st Author's Affiliation The Graduate University for Advanced Studies, National Institute of Informatics (SOKENDAI)
2nd Author's Name Jingyun Feng  
2nd Author's Affiliation The Graduate University for Advanced Studies, National Institute of Informatics (SOKENDAI)
3rd Author's Name Yusheng Ji  
3rd Author's Affiliation The Graduate University for Advanced Studies, National Institute of Informatics (SOKENDAI)
4th Author's Name Yongbing Zhang  
4th Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
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Speaker Author-1 
Date Time 2013-04-18 14:50:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2013-3 
Volume (vol) vol.113 
Number (no) no.7 
Page pp.13-18 
#Pages 6 
Date of Issue 2013-04-11 (CQ) 

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