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IEICE TRANSACTIONS on Communications

High Quality Multi-View Video Streaming over Multiple Transmission Paths

Iori OTOMO, Takuya FUJIHASHI, Yusuke HIROTA, Takashi WATANABE

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Summary :

The development of multi-view video has paved the way for emerging 3D applications. In general multi-view video streaming, video frames for all viewpoints, i.e., cameras, must be transmitted to viewers because the view-switching demands of all viewers are unpredictable. However, existing transmission schemes are highly vulnerable to frame loss. Specifically, frame loss in one viewpoint can induce a collapse in decoding for other viewpoints. To improve loss-resilience, this paper proposes a multi-path based multi-view video transmission scheme. Our scheme encodes video frames into multiple versions that are independent of each other, using inter-view prediction. The scheme then transmits each version using multiple transmission paths. Our scheme makes three contributions: 1) it reduces video traffic even for a large number of cameras, 2) it prevents an increase in the number of undecoded video frames caused by single-frame loss, and 3) it conceals frame loss by taking video frames from other paths. Evaluations show that our proposed scheme improves video quality by 3 dB, as compared to existing transmission schemes in loss-prone environments.

Publication
IEICE TRANSACTIONS on Communications Vol.E100-B No.8 pp.1514-1524
Publication Date
2017/08/01
Publicized
2017/02/17
Online ISSN
1745-1345
DOI
10.1587/transcom.2016EBP3286
Type of Manuscript
PAPER
Category
Multimedia Systems for Communications

Authors

Iori OTOMO
  Osaka University
Takuya FUJIHASHI
  Osaka University
Yusuke HIROTA
  Osaka University
Takashi WATANABE
  Osaka University

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