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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…

多媒体 · 计算机科学 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…

多媒体 · 计算机科学 2023-08-29 Zhiyu Pang

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)…

计算机视觉与模式识别 · 计算机科学 2019-12-24 Hui Yuan , Shiyun Zhao , Junhui Hou , Xuekai Wei , Sam Kwong

The recent rise of interest in Virtual Reality (VR) came with the availability of commodity commercial VR products, such as the Head Mounted Displays (HMD) created by Oculus and other vendors. One of the main applications of virtual reality…

多媒体 · 计算机科学 2017-05-16 Tarek El-Ganainy

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…

多媒体 · 计算机科学 2017-11-08 Cagri Ozcinar , Ana De Abreu , Aljosa Smolic

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…

多媒体 · 计算机科学 2017-11-20 Mohammad Hosseini , Viswanathan Swaminathan

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,…

多媒体 · 计算机科学 2017-04-27 Arnob Ghosh , Vaneet Aggarwal , Feng Qian

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…

多媒体 · 计算机科学 2018-12-04 Arnob Ghosh , Vaneet Aggarwal , Feng Qian

To properly evaluate the performance of 360VR-specific encoding and transmission schemes, and particularly of the solutions based on viewport adaptation, it is necessary to consider not only the bandwidth saved, but also the quality of the…

360$^o$ video is an essential component of VR/AR/MR systems that provides immersive experience to the users. However, 360$^o$ video is associated with high bandwidth requirements. The required bandwidth can be reduced by exploiting the fact…

多媒体 · 计算机科学 2020-04-14 Pantelis Maniotis , Nikolaos Thomos

A key challenge of 360$^\circ$ VR video streaming is ensuring high quality with limited network bandwidth. Currently, most studies focus on tile-based adaptive bitrate streaming to reduce bandwidth consumption, where resources in network…

多媒体 · 计算机科学 2024-04-24 Haopeng Wang , Haiwei Dong , Abdulmotaleb El Saddik

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.…

多媒体 · 计算机科学 2017-11-10 Cagri Ozcinar , Ana De Abreu , Sebastian Knorr , Aljosa Smolic

Spherical 360{\deg} video is a novel media format, rapidly becoming adopted in media production and consumption of immersive media. Due to its novelty, there is a lack of tools for producing highly engaging interactive 360{\deg} video for…

360$^{\circ}$ video requires human viewers to actively control "where" to look while watching the video. Although it provides a more immersive experience of the visual content, it also introduces additional burden for viewers; awkward…

计算机视觉与模式识别 · 计算机科学 2017-05-26 Yu-Chuan Su , Kristen Grauman

360$^\circ$ video is a novel media format, rapidly becoming adopted in media production and consumption as part of todays ongoing virtual reality revolution. Due to its novelty, there is a lack of tools for producing highly engaging…

Massive multiple-input and multiple-output (MIMO) enables ultra-high throughput and low latency for tile-based adaptive virtual reality (VR) 360 video transmission in wireless network. In this paper, we consider a massive MIMO system where…

信息论 · 计算机科学 2021-06-16 Long Teng , Guangtao Zhai , Yongpeng Wu , Xiongkuo Min , Wenjun Zhang , Zhi Ding , Chengshang Xiao

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…

信息论 · 计算机科学 2019-01-09 Kaixuan Long , Chencheng Ye , Ying Cui , Zhi Liu

Nowadays 360 video analysis has become a significant research topic in the field since the appearance of high-quality and low-cost 360 wearable devices. In this paper, we propose a novel LiteFlowNet360 architecture for 360 videos optical…

计算机视觉与模式识别 · 计算机科学 2020-10-19 Keshav Bhandari , Ziliang Zong , Yan Yan

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…

网络与互联网体系结构 · 计算机科学 2019-10-08 Christian Koch , Arne-Tobias Rak , Michael Zink , Ralf Steinmetz , Amr Rizk

360{\deg} videos require significant bandwidth to provide an immersive viewing experience. Wireless systems using terahertz (THz) frequency band can meet this high data rate demand. However, self-blockage is a challenge in such systems. To…

图像与视频处理 · 电气工程与系统科学 2024-12-10 Mehdi Setayesh , Vincent W. S. Wong
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