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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…

Multimedia · Computer Science 2017-05-05 Theodoros Karagkioules , Dimitrios Tsilimantos , Cyril Concolato , Stefan Valentin

360-degree video has become increasingly popular in content consumption. However, finding the viewing direction for important content within each frame poses a significant challenge. Existing approaches rely on either viewer input or…

Multimedia · Computer Science 2023-12-05 Qian Zhou , Michael Zink , Ramesh Sitaraman , Klara Nahrstedt

Multiview applications endow final users with the possibility to freely navigate within 3D scenes with minimum-delay. A real feeling of scene navigation is enabled by transmitting multiple high-quality camera views, which can be used to…

Multimedia · Computer Science 2018-03-28 Xue Zhang , Laura Toni , Pascal Frossard , Yao Zhao , Chunyu Lin

Adaptive video streaming plays a crucial role in ensuring high-quality video streaming services. Despite extensive research efforts devoted to Adaptive BitRate (ABR) techniques, the current reinforcement learning (RL)-based ABR algorithms…

Image and Video Processing · Electrical Eng. & Systems 2024-05-08 Shuoyao Wang , Jiawei Lin , Fangwei Ye

A key challenge for autonomous driving lies in maintaining real-time situational awareness regarding surrounding obstacles under strict latency constraints. The high processing requirements coupled with limited onboard computational…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Faisal Hawladera , Rui Meireles , Gamal Elghazaly , Ana Aguiar , Raphaël Frank

Due to the soaring popularity of video applications and the consequent rise in video traffic on the Internet, technologies like HTTP Adaptive Streaming (HAS) are crucial for delivering high Quality of Experience (QoE) to consumers. HAS…

Multimedia · Computer Science 2024-09-11 Farzad Tashtarian , Christian Timmerer

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

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

Dynamic Adaptive Streaming over HTTP (DASH) is a video streaming technique largely used. One key point is the adaptation mechanism which resides at the client's side. This mechanism impacts greatly on the overall Quality of Experience (QoE)…

Multimedia · Computer Science 2020-12-17 Mustafa Othman , Ken Chen , Anissa Mokraoui

The cache and transcoding of the multi-access edge computing (MEC) server and wireless resource allocation in eNodeB interact and determine the quality of experience (QoE) of dynamic adaptive streaming over HTTP (DASH) clients in MEC…

Multimedia · Computer Science 2020-05-18 Xinyu Huang , Lijun He , Liejun Wang , Fan Li

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

Unraveling quality of experience (QoE) of video streaming is very challenging in bandwidth shared wireless networks. It is unclear how QoE metrics such as starvation probability and buffering time interact with dynamics of streaming traffic…

Networking and Internet Architecture · Computer Science 2016-04-07 Yuedong Xu , Zhujun Xiao , Hui Feng , Tao Yang , Bo Hu , Yipeng Zhou

Abrupt resolution changes in virtual reality (VR) streaming can significantly impair the quality-of-experience (QoE) of users, particularly during transitions from high to low resolutions. Existing QoE models and transmission schemes…

Networking and Internet Architecture · Computer Science 2025-08-14 Chang Wu , Yuang Chen , Yiyuan Chen , Fengqian Guo , Xiaowei Qin , Hancheng Lu

Recently, HTTP Adaptive Streaming HAS has received significant attention from both industry and academia based on its ability to enhancing media streaming services over the Internet. Recent research solutions that have tried to improve HAS…

Networking and Internet Architecture · Computer Science 2019-08-27 Hong Thinh Pham , Ngoc Nam Pham , Huu Thanh Nguyen , Alan Marshall , Thu Huong Truong

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…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Keshav Bhandari , Ziliang Zong , Yan Yan

Free-view video (FVV) allows users to explore immersive video content from multiple views. However, delivering FVV poses significant challenges due to the uncertainty in view switching, combined with the substantial bandwidth and…

Multimedia · Computer Science 2025-01-24 Qiang Hu , Qihan He , Houqiang Zhong , Guo Lu , Xiaoyun Zhang , Guangtao Zhai , Yanfeng Wang

With the arrival of cloud technology, game accessibility and ubiquity have a bright future; Games can be hosted in a centralize server and accessed through the Internet by a thin client on a wide variety of devices with modest capabilities:…

Networking and Internet Architecture · Computer Science 2013-11-15 Richard Ewelle Ewelle , Abdelkader Gouaïch , Yannick Francillette , Ghulam Mahdi

Bit depth adaptation, where the bit depth of a video sequence is reduced before transmission and up-sampled during display, can potentially reduce data rates with limited impact on perceptual quality. In this context, we conducted a…

Image and Video Processing · Electrical Eng. & Systems 2021-09-17 Alex Mackin , Di Ma , Fan Zhang , David Bull

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

Ultra-high-resolution 360-degree video streaming is severely constrained by the massive bandwidth required to deliver immersive experiences. Current viewport prediction techniques predominately rely on kinematics or low-level visual…

Multimedia · Computer Science 2026-01-12 Arman Nik Khah , Arvin Bahreini , Ravi Prakash