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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

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

Viewport prediction is the crucial task for adaptive 360-degree video streaming, as the bitrate control algorithms usually require the knowledge of the user's viewing portions of the frames. Various methods are studied and adopted for…

Multimedia · Computer Science 2024-03-06 Lei Zhang , Tao Long , Weizhen Xu , Laizhong Cui , Jiangchuan Liu

360-degree panoramic videos have gained considerable attention in recent years due to the rapid development of head-mounted displays (HMDs) and panoramic cameras. One major problem in streaming panoramic videos is that panoramic videos are…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Yuang Jiang , Konstantinos Poularakis , Diego Kiedanski , Sastry Kompella , Leandros Tassiulas

360-degree streaming videos can provide a rich immersive experiences to the users. However, it requires an extremely high bandwidth network. One of the common solutions for saving bandwidth consumption is to stream only a portion of video…

Multimedia · Computer Science 2022-06-07 Chuanzhe Jing , Tho Nguyen Duc , Phan Xuan Tan , Eiji Kamioka

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

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

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

The delivery and display of 360-degree videos on Head-Mounted Displays (HMDs) presents many technical challenges. 360-degree videos are ultra high resolution spherical videos, which contain an omnidirectional view of the scene. However only…

Multimedia · Computer Science 2017-08-02 Xavier Corbillon , Gwendal Simon , Alisa Devlic , Jacob Chakareski

360-degree video streaming provides users with immersive experience by letting users determine their field-of-views (FoVs) in real time. To enhance the users' quality of experience (QoE) given their limited bandwidth, recent works have…

Networking and Internet Architecture · Computer Science 2020-05-07 Ming Tang , Vincent W. S. Wong

Streaming 360{\deg} videos requires more bandwidth than non-360{\deg} videos. This is because current solutions assume that users perceive the quality of 360{\deg} videos in the same way they perceive the quality of non-360{\deg} videos.…

Multimedia · Computer Science 2019-11-12 Yu Guan , Chengyuan Zheng , Zongming Guo , Xinggong Zhang , Junchen Jiang

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 this paper, the problem of head movement prediction for virtual reality videos is studied. In the considered model, a deep learning network is introduced to leverage position data as well as video frame content to predict future head…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Xinwei Chen , Ali Taleb Zadeh Kasgari , Walid Saad

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

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{\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

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

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

360-degree videos have gained increasing popularity in recent years with the developments and advances in Virtual Reality (VR) and Augmented Reality (AR) technologies. In such applications, a user only watches a video scene within a field…

Computer Vision and Pattern Recognition · Computer Science 2019-02-06 Chenge Li , Weixi Zhang , Yong Liu , Yao Wang

Virtual reality (VR) is making waves around the world recently. However, traditional video streaming is not suitable for VR video because of the huge size and view switch requirements of VR videos. Since the view of each user is limited, it…

Networking and Internet Architecture · Computer Science 2019-06-28 Jie Feng , Yongpeng Wu , Guangtao Zhai , Ning Liu , Wenjun Zhang
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