Where Are the Ball and Players? Soccer Game Analysis with Color Based Tracking and Image Mosaick
ICIAP '97 Proceedings of the 9th International Conference on Image Analysis and Processing-Volume II
Looking into video frames on small displays
MULTIMEDIA '03 Proceedings of the eleventh ACM international conference on Multimedia
Optimal prefetching scheme in P2P VoD applications with guided seeks
IEEE Transactions on Multimedia
Supporting zoomable video streams with dynamic region-of-interest cropping
MMSys '10 Proceedings of the first annual ACM SIGMM conference on Multimedia systems
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Towards characterizing users' interaction with zoomable video
Proceedings of the 2010 ACM workshop on Social, adaptive and personalized multimedia interaction and access
ClassX: an open source interactive lecture StreamingSystem
MM '11 Proceedings of the 19th ACM international conference on Multimedia
Trajectory-Based Ball Detection and Tracking in Broadcast Soccer Video
IEEE Transactions on Multimedia
Overview of the Scalable Video Coding Extension of the H.264/AVC Standard
IEEE Transactions on Circuits and Systems for Video Technology
Spatial-Random-Access-Enabled Video Coding for Interactive Virtual Pan/Tilt/Zoom Functionality
IEEE Transactions on Circuits and Systems for Video Technology
Enhancing online 3D products through crowdsourcing
Proceedings of the ACM multimedia 2012 workshop on Crowdsourcing for multimedia
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Small screen sizes, limited bandwidth, and low computational power often prohibit streaming of high-resolution videos to mobile devices over a wireless network. Recent advances in interactive region-of-interest (IRoI) video streaming technology allow users to interactively control pan/tilt/zoom, while providing bit-rate and complexity savings. In this paper, we present a mobile IRoI video streaming system that delivers high-quality interactive video to smartphones and tablets with multi-touch screens. One of the challenges in IRoI video streaming is to enable low-latency interaction when a user switches between different RoIs. We propose a crowd-driven RoI prediction scheme to prefetch future selected regions. Different from previous approaches that extrapolate past user inputs or perform video semantic analysis, our proposed scheme exploits user viewing statistics collected at the server to make RoI predictions. Our experiments show that a crowd-driven prefetching scheme can substantially reduce average RoI switching delays compared to a system without prefetching.