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Content caching on the edge of 5G networks is an emerging and critical feature to quench the thirst for content of future connected cars. However, the tight packaging of 5G cells, the finite storage capacity at the edge, and the need for…

Networking and Internet Architecture · Computer Science 2019-08-21 Ahsan Mahmood , Claudio Casetti , Carla Fabiana Chiasserini , Paolo Giaccone , Jerome Haerri

Immersive 3D media is an emerging type of media that captures, encodes and reconstructs the 3D appearance of people and objects, with applications in tele-presence, teleconference, entertainment, gaming and other fields. In this paper, we…

Although HTTP-based video streaming can easily penetrate firewalls and profit from Web caches, the underlying TCP may introduce large delays in case of a sudden capacity loss. To avoid an interruption of the video stream in such cases we…

Multimedia · Computer Science 2016-05-13 Zakaria Ye , Rachid El-Azouzi , Tania Jimenez , Eitan Altman , Stefan Valentin

HTTP based video streaming has become the de facto standard for video content delivery across different video streaming services. However, video content delivery continues to be challenged at the wireless edge by inadequate and highly…

Networking and Internet Architecture · Computer Science 2020-07-29 Lalhruaizela Chhangte , Emanuele Viterbo , D Manjunath , Nikhil Karamchandani

Current virtual reality (VR) headsets encounter a trade-off between high processing power and affordability. Consequently, offloading 3D rendering to remote servers helps reduce costs, battery usage, and headset weight. Maintaining network…

Systems and Control · Electrical Eng. & Systems 2024-10-04 Ali Majlesi Kopaee , Seyed Amir Hajseyedtaghia , Hossein Chitsaz

To deliver ultra-high resolution 360-degree video (such as 8K, 12K, or even higher) across the internet, viewport-dependent streaming becomes necessary to save bandwidth. During viewport switches, clients and servers will instantly exchange…

Multimedia · Computer Science 2023-04-13 Gang Shen , Mingyang Ma , Guangxin Xu

Mobile network operators are considering caching as one of the strategies to keep up with the increasing demand for high-definition wireless video streaming. By prefetching popular content into memory at wireless access points or end user…

Information Theory · Computer Science 2015-11-13 P. Hassanzadeh , E. Erkip , J. Llorca , A. Tulino

Multi-view data capture permits free-viewpoint video (FVV) content creation. To this end, several users must capture video streams, calibrated in both time and pose, framing the same object/scene, from different viewpoints. New-generation…

Multimedia · Computer Science 2020-05-08 Matteo Bortolon , Paul Chippendale , Stefano Messelodi , Fabio Poiesi

Unlike conventional videos, 360{\deg} videos give freedom to users to turn their heads, watch and interact with the content owing to its immersive spherical environment. Although these movements are arbitrary, similarities can be observed…

Multimedia · Computer Science 2021-05-14 Amaya Dharmasiri , Chamara Kattadige , Vincent Zhang , Kanchana Thilakarathna

Virtual reality (VR) is making waves around the world recently. However, traditional video streaming is not suitable for VR video because of the huge size and view switch requirements of VR videos. Since the view of each user is limited, it…

Networking and Internet Architecture · Computer Science 2019-06-28 Jie Feng , Yongpeng Wu , Guangtao Zhai , Ning Liu , Wenjun Zhang

With the development of artificial intelligence (AI) techniques and the increasing popularity of camera-equipped devices, many edge video analytics applications are emerging, calling for the deployment of computation-intensive AI models at…

Signal Processing · Electrical Eng. & Systems 2024-04-02 Jiawei Shao , Xinjie Zhang , Jun Zhang

The delivery and display of 360-degree videos on Head-Mounted Displays (HMDs) presents many technical challenges. 360-degree videos are ultra high resolution spherical videos, which contain an omnidirectional view of the scene. However only…

Multimedia · Computer Science 2017-08-02 Xavier Corbillon , Gwendal Simon , Alisa Devlic , Jacob Chakareski

Immersive virtual reality (VR) applications require ultra-high data rate and low-latency for smooth operation. Hence in this paper, aiming to improve VR experience in multi-user VR wireless video streaming, a deep-learning aided scheme for…

Information Theory · Computer Science 2020-01-13 Cristina Perfecto , Mohammed S. Elbamby , Javier Del Ser , Mehdi Bennis

Immersive video offers the freedom to navigate inside virtualized environment. Instead of streaming the bulky immersive videos entirely, a viewport (also referred to as field of view, FoV) adaptive streaming is preferred. We often stream…

Multimedia · Computer Science 2018-02-19 Shaowei Xie , Qiu Shen , Yiling Xu , Qiaojian Qian , Shaowei Wang , Zhan Ma , Wenjun Zhang

Video compression relies heavily on exploiting the temporal redundancy between video frames, which is usually achieved by estimating and using the motion information. The motion information is represented as optical flows in most of the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Chuanbo Tang , Xihua Sheng , Zhuoyuan Li , Haotian Zhang , Li Li , Dong Liu

Mobile streaming video data accounts for a large and increasing percentage of wireless network traffic. The available bandwidths of modern wireless networks are often unstable, leading to difficulties in delivering smooth, high-quality…

Multimedia · Computer Science 2017-03-03 Christos G. Bampis , Alan C. Bovik

Modern autonomous vehicles rely heavily on mechanical LiDARs for perception. Current perception methods generally require 360{\deg} point clouds, collected sequentially as the LiDAR scans the azimuth and acquires consecutive wedge-shaped…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Mazen Abdelfattah , Kaiwen Yuan , Z. Jane Wang , Rabab Ward

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

Edge computing is projected to become the dominant form of cloud computing in the future because of the significant advantages it brings to both users (less latency, higher throughput) and telecom operators (less Internet traffic, more…

Networking and Internet Architecture · Computer Science 2023-07-18 Chiara Caiazza , Claudio Cicconetti , Valerio Luconi , Alessio Vecchio

Caffe provides multimedia scientists and practitioners with a clean and modifiable framework for state-of-the-art deep learning algorithms and a collection of reference models. The framework is a BSD-licensed C++ library with Python and…

Computer Vision and Pattern Recognition · Computer Science 2014-08-22 Yangqing Jia , Evan Shelhamer , Jeff Donahue , Sergey Karayev , Jonathan Long , Ross Girshick , Sergio Guadarrama , Trevor Darrell