Content-adaptive packetization and streaming of wavelet video over IP networks
Journal on Image and Video Processing
Optimized cache management for scalable video streaming
Proceedings of the 15th international conference on Multimedia
Optimized scalable cache management for video streaming system
Multimedia Tools and Applications
Effect of the Multiple Description Coding over a Hybrid Fixed-AdHoc Video Distribution Network
FMN '09 Proceedings of the 2nd International Workshop on Future Multimedia Networking
VISUAL'07 Proceedings of the 9th international conference on Advances in visual information systems
SVC-Based HTTP Adaptive Streaming
Bell Labs Technical Journal
Effective distributed service architecture for ubiquitous video surveillance
Information Systems Frontiers
On the Feasibility of DASH Streaming in the Cloud
Proceedings of Network and Operating System Support on Digital Audio and Video Workshop
The difference between perceived video quality and objective video quality
Journal of Visualization
Multimedia Tools and Applications
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Combining the concepts of caching and transmission control protocol (TCP)-friendly streaming of layer-encoded video bears the problem that those videos might not be cached in full quality. Therefore, we focus in this work on the scheduling of retransmissions of missing segments of a cached video in a manner that allows clients to receive the content in an improved quality. In a first step, we conducted subjective assessments of variations in layer-encoded video with the goal to validate existing quality metrics, including our own, which are based on certain assumptions. A statistical analysis of the subjective assessment validates these assumptions. We also show that the frequently used peak signal-to-noise ratio (PSNR) is not an appropriate metric for variations in layer-encoded video. With the insight from the subjective assessment we develop heuristics for retransmission scheduling and prove their applicability by conducting a series of simulations.