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The distribution-level electric network frequency (ENF) extracted from an electric power signal is a promising forensic tool for multimedia recording authentication. Local characteristics in ENF signals recorded in different locations act as environmental signatures, which can be potentially used as a fingerprint for location identification. In this paper, a reference database is established for distribution-level...
The goal of this paper is to minimize service disruption, a unique phenomenon in peer-to-peer (P2P) streaming system and the major contributing factor to degrade user experience. In order to improve its streaming quality and stability, a P2P system should select peers with abundant bandwidth resource and prospect longevity as the parents of other peers. Towards this end, we propose PRW (peer resilient...
Layered streaming is an effective solution to address receiver heterogeneity in a peer-to-peer (P2P) network. This paper addresses the problem of rate allocation for layered video stream in p2p mesh networks. We present a distributed rate allocation algorithm that achieves close to optimal layer allocation among peers receiving the same video. We use load balancing technique that evenly distributes...
This paper addresses the problem of optimal rate allocation for video streaming in a multi-path peer-to-peer mesh network. We present a distributed rate allocation algorithm that minimizes the total rate distortion among receiving peers. The scheme assumes that video streams can be transcoded/re-quantized at intermediate peers. We deploy a double pricing solution that simultaneously incorporates both...
Recent advancement in multimedia and network has enabled the development of video accelerator for video sharing website where users can upload, view and share video clips (e.g. YouTube) to achieve better user experience. Several applications have already been developed. The paper examines these technical issues. The benefits of these techniques are discussed. Also the performances of these applications...
Recent theoretical and simulation-based studies have confirmed the tremendous benefit of peer-to-peer (P2P)communication at reducing the cost of running a VoD service.To date, very limited effort has been paid to validate the concept of peer-assisted VoD service, especially in terms of system implementation and service deployment. In this paper, we present the case study of a peer-assisted video-on-demand...
In its current art, peer-to-peer streaming solution has been mainly employed in the domain of live event broadcasting. In such a paradigm, users are required to simultaneously participate the streaming, which yields tremendous bandwidth pool to alleviate the server load. However, little effort has been paid to study the performance gain when peer-to-peer solution is deployed into the domain of Video-on-Demand...
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