Cited by 402Image and Video Quality AssessmentCaching and Content DeliveryNetwork Traffic and Congestion Control

Optimizing 360 video delivery over cellular networks

Qian, Feng, Ji, Lusheng, Han, Bo, Gopalakrishnan, Vijay·2016·Proceedings of the 5th Workshop on All Things Cellular: Operations, Applications and Challenges

Abstract

As an important component of the virtual reality (VR) technology, 360-degree videos provide users with panoramic view and allow them to freely control their viewing direction during video playback. Usually, a player displays only the visible portion of a 360 video. Thus, fetching the entire raw video frame wastes bandwidth. In this paper, we consider the problem of optimizing 360 video delivery over cellular networks. We first conduct a measurement study on commercial 360 video platforms. We then propose a cellular-friendly streaming scheme that delivers only 360 videos' visible portion based on head movement prediction. Using viewing data collected from real users, we demonstrate the feasibility of our approach, which can reduce bandwidth consumption by up to 80% based on a trace-driven simulation.

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  • Viewpointdependent streaming can be obtained using online transcoding operations, such as using foveate-based encoding, or by spatially tiling the video.

    “It is worth mentioning that viewpointdependent streaming can be obtained using online transcoding operations, such as using foveate-based encoding [287], or by spatially tiling the video [288].”
  • Viewport-dependent solutions have been proposed for 360 video streaming, because they can reduce the bandwidth required to stream the video.

    “In these approaches, viewport-dependent solutions [287], [288] have been proposed for 360 video streaming, because they can reduce the bandwidth required to stream the video.”

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Authors
Qian, F., Ji, L., Han, B., & Gopalakrishnan, V.
Affiliations
  • Indiana University (US)
  • AT&T (United States) (US)
Venue
Proceedings of the 5th Workshop on All Things Cellular: Operations, Applications and Challenges
Publisher
ACM
Published
2016-10-03
Pages
1-6
OpenAlex
W2523094016
Cited by
402
References
15
Citations by year
2026: 11 · 2025: 20 · 2024: 23 · 2023: 28 · 2022: 41 · 2021: 41 · 2020: 60 · 2019: 71 · 2018: 64 · 2017: 41 · 2016: 2
FWCI
20.59
Type
conference paper
Language
en
Open access
closed
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Image and Video Quality Assessment
  • Physical Sciences › Computer Science › Computer Networks and Communications › Caching and Content Delivery
  • Physical Sciences › Computer Science › Computer Networks and Communications › Network Traffic and Congestion Control
Keywords
360-degree video, video streaming, cellular networks, bandwidth reduction, virtual reality, measurement study

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