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Effective Adaptive BitRate (ABR) algorithm or policy is of paramount importance for Real-Time Video Communication (RTVC) amid this pandemic to pursue uncompromised quality of experience (QoE). Existing ABR methods mainly separate the…

多媒体 · 计算机科学 2023-12-04 Yueheng Li , Hao Chen , Bowei Xu , Zicheng Zhang , Zhan Ma

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…

多媒体 · 计算机科学 2013-11-26 Chao Chen , Xiaoqing Zhu , Gustavo de Veciana , Alan C. Bovik , Robert W. Heath

In streaming media services, video transcoding is a common practice to alleviate bandwidth demands. Unfortunately, traditional methods employing a uniform rate factor (RF) across all videos often result in significant inefficiencies.…

多媒体 · 计算机科学 2026-05-15 Shibo Yin , Zhiyu Zhang , Peirong Ning , Qiubo Chen , Jing Chen , Quan Zhou , Li Song

We describe the results of a randomized controlled trial of video-streaming algorithms for bitrate selection and network prediction. Over the last eight months, we have streamed 14.2 years of video to 56,000 users across the Internet.…

网络与互联网体系结构 · 计算机科学 2020-07-14 Francis Y. Yan , Hudson Ayers , Chenzhi Zhu , Sadjad Fouladi , James Hong , Keyi Zhang , Philip Levis , Keith Winstein

We propose a digital twin-assisted adaptive preloading scheme to enhance bandwidth efficiency and user quality of experience (QoE) in short video streaming. We first analyze the relationship between the achievable throughput and video…

网络与互联网体系结构 · 计算机科学 2023-07-18 Shengbo Liu , Wen Wu , Shaofeng Li , Tom H. Luany , Xuemin , Shen

Streaming rendered content is an attractive way to bring high-quality graphics to billions of mobile devices that do not have sufficient rendering power. Existing solutions render content on a server at a fixed frame rate, typically 30 or…

图像与视频处理 · 电气工程与系统科学 2026-05-13 Yaru Liu , Joseph G. March , Rafal K. Mantiuk

The increase in video streaming has presented a challenge of handling stream request effectively, especially over networks that are variable. This paper describes a new adaptive video streaming architecture capable of changing the video…

网络与互联网体系结构 · 计算机科学 2025-02-05 Mohammad Tarik , Qutaiba Ibrahim

Contemporary real-time video communication systems, such as WebRTC, use an adaptive bitrate (ABR) algorithm to assure high-quality and low-delay services, e.g., promptly adjusting video bitrate according to the instantaneous network…

多媒体 · 计算机科学 2023-08-08 Yueheng Li , Zicheng Zhang , Hao Chen , Zhan Ma

Nowadays Dynamic Adaptive Streaming over HTTP (DASH) is the most prevalent solution on the Internet for multimedia streaming and responsible for the majority of global traffic. DASH uses adaptive bit rate (ABR) algorithms, which select the…

网络与互联网体系结构 · 计算机科学 2018-09-28 Pablo Gil Pereira , Andreas Schmidt , Thorsten Herfet

HTTP Adaptive Streaming (HAS) techniques are now the dominant solution for video delivery in mobile networks. Over the past few years, several HAS algorithms have been introduced in order to improve user quality-of-experience (QoE) by…

多媒体 · 计算机科学 2017-05-05 Theodoros Karagkioules , Dimitrios Tsilimantos , Cyril Concolato , Stefan Valentin

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

Multi-agent applications utilize the advanced capabilities of large language models (LLMs) for intricate task completion through agent collaboration in a workflow. Under this situation, requests from different agents usually access the same…

分布式、并行与集群计算 · 计算机科学 2025-08-12 Jinyuan Chen , Jiuchen Shi , Quan Chen , Minyi Guo

In the World Wide Web, reliable time series forecasts provide the forward-looking signals that drive resource planning, cache placement, and anomaly response, enabling platforms to operate efficiently as user behavior and content…

机器学习 · 计算机科学 2025-10-06 Kuiye Ding , Fanda Fan , Zheya Wang , Hongxiao Li , Yifan Wang , Lei Wang , Chunjie Luo , Jianfeng Zhan

The emergence of video applications and video capable devices have contributed substantially to the increase of video traffic on Internet. New mechanisms recommending video rate adaptation towards delivering enhanced Quality of Experience…

网络与互联网体系结构 · 计算机科学 2020-08-25 Safeen Qadir , Alexander A. Kist , Zhongwei Zhang

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…

网络与互联网体系结构 · 计算机科学 2014-01-22 Zhi Li , Ali C. Begen , Joshua Gahm , Yufeng Shan , Bruce Osler , David Oran

The live streaming is more challenging than on-demand streaming, because the low latency is also a strong requirement in addition to the trade-off between video quality and jitters in playback. To balance several inherently conflicting…

多媒体 · 计算机科学 2019-10-15 Huan Peng , Yuan Zhang , Yongbei Yang , Jinyao Yan

Starlink, as a representative low Earth orbit (LEO) satellite broadband system, makes high-bitrate video streaming possible in regions where terrestrial broadband is unavailable. However, its access links exhibit rapid throughput…

系统与控制 · 电气工程与系统科学 2026-05-28 Hongjun Xie , Jiahang Zhu , Zhiming Shao , Chao Fan , Zenghui Zhang , Genke Yang , Pengcheng Luo

Multimedia streaming accounts for the majority of traffic in today's internet. Mechanisms like adaptive bitrate streaming control the bitrate of a stream based on the estimated bandwidth, ideally resulting in smooth playback and a good…

多智能体系统 · 计算机科学 2024-10-29 Jannis Weil , Jonas Ringsdorf , Julian Barthel , Yi-Ping Phoebe Chen , Tobias Meuser

This paper investigates the adaptive bitrate (ABR) video semantic communication over wireless networks. In the considered model, video sensing devices must transmit video semantic information to an edge server, to facilitate ubiquitous…

网络与互联网体系结构 · 计算机科学 2023-08-02 Wentao Gong , Haonan Tong , Sihua Wang , Zhaohui Yang , Xinxin He , Changchuan Yin

Quality of Experience~(QoE)-driven adaptive bitrate (ABR) algorithms are typically optimized using QoE models that are based on the mean opinion score~(MOS), while such principles may not account for user heterogeneity on rating scales,…

多媒体 · 计算机科学 2023-08-11 Tianchi Huang , Rui-Xiao Zhang , Chenglei Wu , Lifeng Sun