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Given the significant industrial growth of demand for virtual reality (VR), 360{\deg} video streaming is one of the most important VR applications that require cost-optimal solutions to achieve widespread proliferation of VR technology.…

Multimedia · Computer Science 2017-11-10 Cagri Ozcinar , Ana De Abreu , Sebastian Knorr , Aljosa Smolic

MPEG has recently proposed Server and Network Assisted Dynamic Adaptive Streaming over HTTP (SAND-DASH) for video streaming over the Internet. In contrast to the purely client-based video streaming in which each client makes its own…

Multimedia · Computer Science 2017-08-10 Abbas Mehrabi , Matti Siekkinen , Antti Ylä-Jääski

Field-of-View (FoV) adaptive streaming significantly reduces bandwidth requirement of immersive point cloud video (PCV) by only transmitting visible points in a viewer's FoV. The traditional approaches often focus on trajectory-based 6…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Chen Li , Tongyu Zong , Yueyu Hu , Yao Wang , Yong Liu

In conventional HTTP-based adaptive streaming (HAS), a video source is encoded at multiple levels of constant bitrate representations, and a client makes its representation selections according to the measured network bandwidth. While…

Networking and Internet Architecture · Computer Science 2014-01-22 Zhi Li , Ali C. Begen , Joshua Gahm , Yufeng Shan , Bruce Osler , David Oran

Adapting video data rate during streaming can effectively reduce the risk of playback interruptions caused by channel throughput fluctuations. The variations in rate, however, also introduce video quality fluctuations and thus potentially…

Multimedia · Computer Science 2013-11-26 Chao Chen , Xiaoqing Zhu , Gustavo de Veciana , Alan C. Bovik , Robert W. Heath

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

Media streaming has been adopted for a variety of applications such as entertainment, visualization, and design. Unlike video/audio streaming where the content is usually consumed sequentially, 3D applications such as gaming require…

Human-Computer Interaction · Computer Science 2022-01-11 Shaoyu Chen , Budmonde Duinkharjav , Xin Sun , Li-Yi Wei , Stefano Petrangeli , Jose Echevarria , Claudio Silva , Qi Sun

Quality of experience (QoE) assessment for adaptive video streaming plays a significant role in advanced network management systems. It is especially challenging in case of dynamic adaptive streaming schemes over HTTP (DASH) which has…

Multimedia · Computer Science 2022-03-01 Wei Zhou , Xiongkuo Min , Hong Li , Qiuping Jiang

With the merit of containing full panoramic content in one camera, Virtual Reality (VR) and 360-degree videos have attracted more and more attention in the field of industrial cloud manufacturing and training. Industrial Internet of Things…

Multimedia · Computer Science 2020-03-24 Wei Quan , Yuxuan Pan , Bin Xiang , Lin Zhang

Adapting holographic video streaming to fluctuating wireless channels is essential to maintain consistent and satisfactory Quality of Experience (QoE) for users, which, however, is a challenging task due to the dynamic and uncertain…

Systems and Control · Electrical Eng. & Systems 2024-06-14 Wanli Wen , Jiping Yan , Yulu Zhang , Zhen Huang , Liang Liang , Yunjian Jia

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

We propose ASL360, an adaptive deep reinforcement learning-based scheduler for on-demand 360$^\circ$ video streaming to mobile VR users in next generation wireless networks. We aim to maximize the overall Quality of Experience (QoE) of the…

Networking and Internet Architecture · Computer Science 2026-02-24 Alireza Mohammadhosseini , Jacob Chakareski , Nicholas Mastronarde

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

In this paper, we would like to investigate optimal wireless streaming of a multi-quality tiled 360 virtual reality (VR) video from a server to multiple users. To this end, we propose to maximally exploit potential multicast opportunities…

Information Theory · Computer Science 2020-09-04 Kaixuan Long , Ying Cui , Chencheng Ye , Zhi Liu

A 360 virtual reality (VR) video, recording a scene of interest in every direction, provides VR users with immersive viewing experience. However, transmission of a 360 VR video which is of a much larger size than a traditional video to…

Information Theory · Computer Science 2019-01-09 Kaixuan Long , Chencheng Ye , Ying Cui , Zhi Liu

The optimization of viewers' quality of experience (QoE) in 360 videos faces two major roadblocks: inaccurate adaptive streaming and viewers missing the plot of a story. Alignment edit emerged as a promising mechanism to avoid both issues…

Multimedia · Computer Science 2022-05-24 Lucas Althoff , Alessandro Rodrigues , Mylène C. Q. Farias

We propose a new method for the visual quality assessment of 360-degree (omnidirectional) videos. The proposed method is based on computing multiple spatio-temporal objective quality features on viewports extracted from 360-degree videos. A…

Multimedia · Computer Science 2021-05-04 Roberto G. de A. Azevedo , Neil Birkbeck , Ivan Janatra , Balu Adsumilli , Pascal Frossard

Recent advances in omnidirectional cameras and AR/VR headsets have spurred the adoption of 360-degree videos that are widely believed to be the future of online video streaming. 360-degree videos allow users to wear a head-mounted display…

Multimedia · Computer Science 2024-10-02 Ali Zeynali , Mahsa Sahebdel , Mohammad Hajiesmaili , Ramesh K. Sitaraman

We identify new opportunities in video streaming, involving the joint consideration of offline video chunking and online rate adaptation. Due to a video's complexity varying over time, certain parts are more likely to cause performance…

Networking and Internet Architecture · Computer Science 2022-04-13 Melissa Licciardello , Lukas Humbel , Fabian Rohr , Maximilian Grüner , Ankit Singla

Zoomable video streaming refers to a new class of interactive video applications, where users can zoom into a video stream to view a selected region of interest in higher resolutions and pan around to move the region of interest. The zoom…

Networking and Internet Architecture · Computer Science 2015-05-11 Hui Wang , Mun Choon Chan , Wei Tsang Ooi