用机器学习提升多媒体流媒体的用户体验,适配不同设备与网络。
A review on Machine Learning based User-Centric Multimedia Streaming Techniques
- 基于机器学习建模用户端体验质量,动态优化流媒体策略。
- 覆盖传统视频与360°全景视频,支持B5G/6G时代自适应传输。
- 梳理主流数据集与技术挑战,适合研究流媒体系统的设计者。
多媒体内容与流媒体是现代信息交流的主要方式,随着未来无线网络(B5G/6G)的发展和智能移动设备的普及,异构终端用户对多媒体服务的需求持续增长。除传统视频外,虚拟现实应用推动了360°视频的兴起。各类视频在带宽受限的动态无线信道中需经历处理、压缩与传输,导致视频质量下降,影响用户体验(QoE)。QoE作为主观质量评估指标,需端到端建模与管理。本综述系统介绍面向用户中心的连续时变QoE建模方法,分析基于机器学习的智能自适应流媒体策略,涵盖传统视频与360°视频场景。文章还讨论相关数据集、现有局限与开放挑战,为提升多格式视频服务质量提供全面参考。
原文摘要 · Abstract (English)
The multimedia content and streaming are a major means of information exchange in the modern era and there is an increasing demand for such services. This coupled with the advancement of future wireless networks B5G/6G and the proliferation of intelligent handheld mobile devices, has facilitated the availability of multimedia content to heterogeneous mobile users. Apart from the conventional video, the 360$^o$ videos have gained popularity with the emerging virtual reality applications. All formats of videos (conventional and 360$^o$) undergo processing, compression, and transmission across dynamic wireless channels with restricted bandwidth to facilitate the streaming services. This causes video impairments, leading to quality degradation and poses challenges in delivering good Quality-of-Experience (QoE) to the viewers. The QoE is a prominent subjective quality measure to assess multimedia services. This requires end-to-end QoE evaluation. Efficient multimedia streaming techniques can improve the service quality while dealing with dynamic network and end-user challenges. A paradigm shift in user-centric multimedia services is envisioned with a focus on Machine Learning (ML) based QoE modeling and streaming strategies. This survey paper presents a comprehensive overview of the overall and continuous, time varying QoE modeling for the purpose of QoE management in multimedia services. It also examines the recent research on intelligent and adaptive multimedia streaming strategies, with a special emphasis on ML based techniques for video (conventional and 360$^o$) streaming. This paper discusses the overall and continuous QoE modeling to optimize the end-user viewing experience, efficient video streaming with a focus on user-centric strategies, associated datasets for modeling and streaming, along with existing shortcoming and open challenges.
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