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This paper investigates adaptive streaming of one or multiple tiled 360 videos from a multi-antenna base station (BS) to one or multiple single-antenna users, respectively, in a multi-carrier wireless system. We aim to maximize the video…

Multimedia · Computer Science 2021-09-29 Lingzhi Zhao , Ying Cui , Zhi Liu , Yunfei Zhang , Sheng Yang

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

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

Volumetric video streaming offers immersive 3D experiences but faces significant challenges due to high bandwidth requirements and latency issues in transmitting detailed content in real time. Traditional methods like point cloud streaming…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Boyan Li , Yongting Chen , Dayou Zhang , Fangxin Wang

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

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

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…

With increasing advancements in technologies for capturing 360{\deg} videos, advances in streaming such videos have become a popular research topic. However, streaming 360{\deg} videos require high bandwidth, thus escalating the need for…

Multimedia · Computer Science 2021-08-23 Lovish Chopra , Sarthak Chakraborty , Abhijit Mondal , Sandip Chakraborty

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 introduction of Dynamic Adaptive Streaming over HTTP (DASH) helped reduce the consumption of resource in video delivery, but its client-based rate adaptation is unable to optimally use the available end-to-end network bandwidth. We…

Networking and Internet Architecture · Computer Science 2015-01-20 Francesco Bronzino , Dragoslav Stojadinovic , Cedric Westphal , Dipankar Raychaudhuri

Video streaming currently accounts for the majority of Internet traffic. One factor that enables video streaming is HTTP Adaptive Streaming (HAS), that allows the users to stream video using a bit rate that closely matches the available…

Networking and Internet Architecture · Computer Science 2020-02-14 Dimitrios J. Vergados , Angelos Michalas , Katina Kralevska , Dimitrios D. Vergados

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

We consider an interactive multiview video streaming (IMVS) system where clients select their preferred viewpoint in a given navigation window. To provide high quality IMVS, many high quality views should be transmitted to the clients.…

Multimedia · Computer Science 2015-06-26 Ana De Abreu , Laura Toni , Nikolaos Thomos , Thomas Maugey , Fernando Pereira , Pascal Frossard

Recent efforts to enhance immersive and interactive user experiences have driven the development of volumetric video, a form of 3D content that enables 6 DoF. Unlike traditional 2D content, volumetric content can be represented in various…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Erfan Entezami , Hui Guan

Dynamic Adaptive Streaming over HTTP (DASH) is a recently proposed standard that offers different versions of the same media content to adapt the delivery process over the Internet to dynamic bandwidth fluctuations and different user device…

Networking and Internet Architecture · Computer Science 2016-11-17 Laura Natali , Maria Luisa Merani

Volumetric video has emerged as a prominent medium within the realm of eXtended Reality (XR) with the advancements in computer graphics and depth capture hardware. Users can fully immersive themselves in volumetric video with the ability to…

Multimedia · Computer Science 2023-10-19 Kaiyuan Hu , Yongting Chen , Kaiying Han , Junhua Liu , Haowen Yang , Yili Jin , Boyan Li , Fangxin Wang

Recently, HTTP streaming has become very popular for delivering video over the Internet. For adaptivity, a provider should generate multiple versions of a video as well as the related metadata. Various adaptation methods have been proposed…

Multimedia · Computer Science 2015-11-10 Hung. T Le , Hai N. Nguyen , Nam Pham Ngoc , Anh T. Pham , Truong Cong Thang

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

Omnidirectional (360-degree) video is rapidly gaining popularity due to advancements in immersive technologies like virtual reality (VR) and extended reality (XR). However, real-time streaming of such videos, especially in live mobile…

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…

Information Theory · Computer Science 2021-06-16 Long Teng , Guangtao Zhai , Yongpeng Wu , Xiongkuo Min , Wenjun Zhang , Zhi Ding , Chengshang Xiao