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Introduction to the Special Issue on Delay-Sensitive Video Computing in the Cloud
Maha Abdallah, Kuan-Ta Chen, Carsten Griwodz, Cheng-Hsin Hsu
Article No.: 53
Delay-Sensitive Video Computing in the Cloud: A Survey
Maha Abdallah, Carsten Griwodz, Kuan-Ta Chen, Gwendal Simon, Pin-Chun Wang, Cheng-Hsin Hsu
Article No.: 54
While cloud servers provide a tremendous amount of resources for networked video applications, most successful stories of cloud-assisted video applications are presentational video services, such as YouTube and NetFlix. This article surveys the...
Cost-Efficient Server Provisioning for Cloud Gaming
Yusen Li, Yunhua Deng, Xueyan Tang, Wentong Cai, Xiaoguang Liu, Gang Wang
Article No.: 55
Cloud gaming has gained significant popularity recently due to many important benefits such as removal of device constraints, instant-on, and cross-platform. The properties of intensive resource demands and dynamic workloads make cloud gaming...
Game Categorization for Deriving QoE-Driven Video Encoding Configuration Strategies for Cloud Gaming
Ivan Slivar, Mirko Suznjevic, Lea Skorin-Kapov
Article No.: 56
Cloud gaming has been recognized as a promising shift in the online game industry, with the aim of implementing the “on demand” service concept that has achieved market success in other areas of digital entertainment such as movies...
Game Input with Delay—Moving Target Selection with a Game Controller Thumbstick
Article No.: 57
Hosting interactive video-based services, such as computer games, in the Cloud poses particular challenges given user sensitivity to delay. A better understanding of the impact of delay on player-game interactions can help design cloud systems and...
Novel Hybrid-Cast Approach to Reduce Bandwidth and Latency for Cloud-Based Virtual Space
Xueshi Hou, Yao Lu, Sujit Dey
Article No.: 58
In this article, we explore the possibility of enabling cloud-based virtual space applications for better computational scalability and easy access from any end device, including future lightweight wireless head-mounted displays. In particular, we...
Cloud Baking: Collaborative Scene Illumination for Dynamic Web3D Scenes
Chang Liu, Wei Tsang Ooi, Jinyuan Jia, Lei Zhao
Article No.: 59
We propose Cloud Baking, a collaborative rendering architecture for dynamic Web3D scenes. In our architecture, the cloud renderer renders the scene with the global illumination (GI) information in a GI map; the web-based client renderer renders...
Best Papers of the ACM Multimedia Systems (MMSys) Conference 2017 and the ACM Workshop on Network and Operating System Support for Digital Audio and Video (NOSSDAV) 2017
Pablo Cesar, Cheng-Hsin Hsu, Chun-Ying Huang, Pan Hui
Article No.: 60
ASAP: Adaptive Stall-Aware Pacing for Improved DASH Video Experience in Cellular Networks
Ahmed H. Zahran, Jason J. Quinlan, K. K. Ramakrishnan, Cormac J. Sreenan
Article No.: 61
The dramatic growth of video traffic represents a practical challenge for cellular network operators in providing a consistent streaming Quality of Experience (QoE) to their users. Satisfying this objective has so-far proved elusive, due to the...
On the Effectiveness of Offset Projections for 360-Degree Video Streaming
Chao Zhou, Zhenhua Li, Joe Osgood, Yao Liu
Article No.: 62
A new generation of video streaming technology, 360-degree video, promises greater immersiveness than standard video streams. This level of immersiveness is similar to that produced by virtual reality devices—users can control the field of...
Designing and Evaluating a Mesh Simplification Algorithm for Virtual Reality
Kanchan Bahirat, Chengyuan Lai, Ryan P. Mcmahan, Balakrishnan Prabhakaran
Article No.: 63
With the increasing accessibility of the mobile head-mounted displays (HMDs), mobile virtual reality (VR) systems are finding applications in various areas. However, mobile HMDs are highly constrained with limited graphics processing units (GPUs)...
Enabling Live Video Analytics with a Scalable and Privacy-Aware Framework
Junjue Wang, Brandon Amos, Anupam Das, Padmanabhan Pillai, Norman Sadeh, Mahadev Satyanarayanan
Article No.: 64
We show how to build the components of a privacy-aware, live video analytics ecosystem from the bottom up, starting with OpenFace, our new open-source face recognition system that approaches state-of-the-art accuracy. Integrating OpenFace with...
Prototyping a Web-Scale Multimedia Retrieval Service Using Spark
Gylfi Þór Guđmundsson, Björn Þór Jónsson, Laurent Amsaleg, Michael J. Franklin
Article No.: 65
The world has experienced phenomenal growth in data production and storage in recent years, much of which has taken the form of media files. At the same time, computing power has become abundant with multi-core machines, grids, and clouds. Yet it...
User Behavior Analysis and Video Popularity Prediction on a Large-Scale VoD System
Lei Huang, Bowen Ding, Aining Wang, Yuedong Xu, Yipeng Zhou, Xiang Li
Article No.: 67
Understanding streaming user behavior is crucial to the design of large-scale Video-on-Demand (VoD) systems. In this article, we begin with the measurement of individual viewing behavior from two aspects: the temporal characteristics and user...