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360{\deg} videos a.k.a. spherical videos are getting popular among users nevertheless, omnidirectional view of these videos demands high bandwidth and processing power at the end devices. Recently proposed viewport aware streaming…

Multimedia · Computer Science 2021-05-26 Chamara Kattadige , Kanchana Thilakarathna

360-degree video becomes increasingly popular among users. In the current network bandwidth, serving high resolution 360 degree video to users is quite difficult. Most of the work has been devoted to the prediction of user viewports or…

Multimedia · Computer Science 2023-08-29 Zhiyu Pang

360{\deg} video is attracting an increasing amount of attention in the context of Virtual Reality (VR). Owing to its very high-resolution requirements, existing professional streaming services for 360{\deg} video suffer from severe…

Multimedia · Computer Science 2017-11-08 Cagri Ozcinar , Ana De Abreu , Aljosa Smolic

The recent surge of applications involving the use of $360^o$ video challenges mobile networks infrastructure, as $360^o$ video files are of significant size, and current delivery and edge caching architectures are unable to guarantee their…

Networking and Internet Architecture · Computer Science 2019-10-28 Pantelis Maniotis , Eirina Bourtsoulatze , Nikolaos Thomos

Virtual Reality (VR) applications require high data rate for a high-quality immersive experience, in addition to low latency to avoid dizziness and motion sickness. One of the key wireless VR challenges is providing seamless connectivity…

Networking and Internet Architecture · Computer Science 2021-10-07 Mostafa Abdelrahman , Mohammed Elbamby , Vilho Räisänen

Unlike conventional videos, 360{\deg} videos give freedom to users to turn their heads, watch and interact with the content owing to its immersive spherical environment. Although these movements are arbitrary, similarities can be observed…

Multimedia · Computer Science 2021-05-14 Amaya Dharmasiri , Chamara Kattadige , Vincent Zhang , Kanchana Thilakarathna

In the 360-degree immersive video, a user only views a part of the entire raw video frame based on her viewing direction. However, today's 360-degree video players always fetch the entire panoramic view regardless of users' head movement,…

Multimedia · Computer Science 2017-04-27 Arnob Ghosh , Vaneet Aggarwal , Feng Qian

In this paper, we present a novel content caching and delivery approach for mobile virtual reality (VR) video streaming. The proposed approach aims to maximize VR video streaming performance, i.e., minimizing video frame missing rate, by…

Signal Processing · Electrical Eng. & Systems 2023-11-20 Mushu Li , Jie Gao , Conghao Zhou , Xuemin Shen , Weihua Zhuang

The demand and usage of 360$^{\circ}$ video services are expected to increase. However, despite these services being highly bandwidth intensive, not much is known about the potential value that basic bandwidth saving techniques such as…

Multimedia · Computer Science 2021-12-30 Niklas Carlsson , Derek Eager

While traditional multimedia applications such as games and videos are still popular, there has been a significant interest in the recent years towards new 3D media such as 3D immersion and Virtual Reality (VR) applications, especially 360…

Multimedia · Computer Science 2017-11-20 Mohammad Hosseini , Viswanathan Swaminathan

Virtual reality has been gaining popularity in recent years caused by the proliferation of affordable consumer-grade devices such as Oculus Rift, HTC Vive, and Samsung VR. Amongst the various VR applications, 360{\deg} video streaming is…

Networking and Internet Architecture · Computer Science 2019-10-08 Christian Koch , Arne-Tobias Rak , Michael Zink , Ralf Steinmetz , Amr Rizk

The growing popularity of virtual and augmented reality communications and 360{\deg} video streaming is moving video communication systems into much more dynamic and resource-limited operating settings. The enormous data volume of 360{\deg}…

Multimedia · Computer Science 2018-03-23 Jacob Chakareski , Ridvan Aksu , Xavier Corbillon , Gwendal Simon , Viswanathan Swaminathan

While live 360 degree video streaming delivers immersive viewing experience, it poses significant bandwidth and latency challenges for content delivery networks. Edge servers are expected to play an important role in facilitating live…

Multimedia · Computer Science 2024-01-30 Chen Li , Tingwei Ye , Tongyu Zong , Liyang Sun , Houwei Cao , Yong Liu

Immersive media streaming, especially virtual reality (VR)/360-degree video streaming which is very bandwidth demanding, has become more and more popular due to the rapid growth of the multimedia and networking deployments. To better…

Multimedia · Computer Science 2018-03-22 Wei Huang , Lianghui Ding , Hung-Yu Wei , Jenq-Neng Hwang , Yiling Xu , Wenjun Zhang

The 360-degree video allows users to enjoy the whole scene by interactively switching viewports. However, the huge data volume of the 360-degree video limits its remote applications via network. To provide high quality of experience (QoE)…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Hui Yuan , Shiyun Zhao , Junhui Hou , Xuekai Wei , Sam Kwong

Immersive virtual reality (VR) applications require ultra-high data rate and low-latency for smooth operation. Hence in this paper, aiming to improve VR experience in multi-user VR wireless video streaming, a deep-learning aided scheme for…

Information Theory · Computer Science 2020-01-13 Cristina Perfecto , Mohammed S. Elbamby , Javier Del Ser , Mehdi Bennis

We propose a robust scheme for streaming 360-degree immersive videos to maximize the quality of experience (QoE). Our streaming approach introduces a holistic analytical framework built upon the formal method of stochastic optimization. We…

Multimedia · Computer Science 2018-12-04 Arnob Ghosh , Vaneet Aggarwal , Feng Qian

In this paper, we study the server-side rate adaptation problem for streaming tile-based adaptive 360-degree videos to multiple users who are competing for transmission resources at the network bottleneck. Specifically, we develop a…

Multimedia · Computer Science 2019-06-21 Junni Zou , Chenglin Li , Chengming Liu , Qin Yang , Hongkai Xiong , Eckehard Steinbach

360{\deg} video provides an immersive experience for viewers, allowing them to freely explore the world by turning their head. However, creating high-quality 360{\deg} video content can be challenging, as viewers may miss important events…

Graphics · Computer Science 2019-01-15 Chengzhou Tang , Oliver Wang , Feng Liu , Ping Tan

360-degree video has become increasingly popular in content consumption. However, finding the viewing direction for important content within each frame poses a significant challenge. Existing approaches rely on either viewer input or…

Multimedia · Computer Science 2023-12-05 Qian Zhou , Michael Zink , Ramesh Sitaraman , Klara Nahrstedt
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