920 Hits in 4.1 sec

QoS-aware Video Transcoding Service Composition Process in a Distributed Cloud Environment

Nawaf O. Alsrehin
2015 International Journal of Innovative Research in Computer and Communication Engineering  
Optimal utilization of the overall video delivery system resources comes from successfully calculating the desired QoS values for a specific device, playback software, or network connection.  ...  In this paper, we address the problem of selecting and composing video transcoding services in a distributed cloud environment.  ...  Fig. 4 shows a general model for on-demand cloud-based video distribution system, which contains cloud-based video delivery system.  ... 
doi:10.15680/ijircce.2015.0305001 fatcat:27tx4uinqbel5iep4clqjdvmp4

Distributed video transcoding on a heterogeneous computing platform

Zhi Hao Chang, Bih Fei Jong, Wei Jing Wong, M. L. Dennis Wong
2016 2016 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)  
videos, capability to distribute transcoding instances across multiple machines, deliver low latency response times for high volume video transcoding applications and etc.  ...  The performance of the proposed system can be further optimized by using a more intelligent scheduler and dynamic task allocation strategies for an optimal fair workload distribution among heterogeneous  ...  Algorithm 7 shows the portion of the scheduler code for video spouts. First, we find out all components and executors of the topology that are needed for scheduling.  ... 
doi:10.1109/apccas.2016.7803998 dblp:conf/apccas/ChangJWW16 fatcat:imxqfhlblza25nmns2zlajtez4

Load Balancing in a Cluster-Based Web Server for Multimedia Applications

Jiani Guo, L.N. Bhuyan
2006 IEEE Transactions on Parallel and Distributed Systems  
In this paper, we first design, implement, and evaluate three scheduling algorithms, First Fit (FF), Stream-based Mapping (SM), and Adaptive Load Sharing (ALS), for multimedia transcoding in a cluster  ...  For stream-based applications, the main design criteria of the scheduling are to minimize the total processing time and maintain the order of media units for each outgoing stream.  ...  ACKNOWLEDGMENTS The authors thank Professor Inbum Jung for providing them with the various MPEG streams and helping them understand the terms in the multimedia area.  ... 
doi:10.1109/tpds.2006.159 fatcat:tzv5nzrzgnedbixlj6trpzy6dq

Dynamic Priority-based Resource Provisioning for Video Transcoding with Heterogeneous QoS

Guanyu Gao, Yonggang Wen, Cedric Westphal
2018 IEEE transactions on circuits and systems for video technology (Print)  
To this end, we develop a robust dynamic priority-based resource provisioning scheme for video transcoding.  ...  The system performs the transcoding for delay-tolerant videos by utilizing idle resources for improving resource utilization while not affecting the transcoding for delay-sensitive videos.  ...  Effectiveness of the Online Algorithm Our online algorithm is designed based on the MPC framework for provisioning resources under dynamic workloads, and the transcoding is scheduled based on the preemptive  ... 
doi:10.1109/tcsvt.2018.2840351 fatcat:uiwtzlmme5bl7pcn7wxar3cwcu

Protocols and Architectures for Next-Generation Wireless Sensor Networks

Sana Ullah, Joel J. P. C. Rodrigues, Farrukh Aslam Khan, Christos Verikoukis, Zuqing Zhu
2014 International Journal of Distributed Sensor Networks  
The paper entitled "Design and Experiment Analysis of a Hadoop-Based Video Transcoding System for Next-Generation Wireless Sensor Networks" presents a hadoop-based video transcoding system for accommodating  ...  The paper entitled "Game-Theoretic Based Distributed Scheduling Algorithms for Minimum Coverage Breach in Directional Sensor Networks" formulates the problem of direction set K-Cover as a direction scheduling  ...  Acknowledgments The authors would like to thank all the reviewers who have rigorously reviewed the papers and helped them select the best papers for publication.  ... 
doi:10.1155/2014/705470 fatcat:hubqlswtyrhmpambbjmbrdzlji

A QoS aware multicore hash scheduler for network applications

Danhua Guo, Laxmi N. Bhuyan
2011 2011 Proceedings IEEE INFOCOM  
Based on our previous multicore scheduling studies, PS-HRW allocates computing resources based on the QoS requirement, such that the workload is balanced at the packet level, and the connection locality  ...  Essentially, PS-HRW schedules incoming traffic efficiently by balancing between connection locality, load balancing, core/cache topology and QoS guarantees.  ...  First, hash based schedulers expose better load balancing than pure connection locality based schemes.  ... 
doi:10.1109/infcom.2011.5934884 dblp:conf/infocom/GuoB11 fatcat:lqlnqn7whbf7pps6mtljfvm2bm

Caching Strategies in Transcoding-Enabled Proxy Systems for Streaming Media Distribution Networks

B. Shen, S.-J. Lee, S. Basu
2004 IEEE transactions on multimedia  
The proxies in our transcoding-enabled caching (TeC) system perform transcoding as well as caching for efficient rich media delivery to heterogeneous network users.  ...  Index Terms-proxy caching, streaming media, video transcoding, network measurements, streaming in wireless networks, streaming media distribution IP Network Transcoder Input Buffer Output ¡ Buffer server  ...  CONCLUSION We proposed the Transcoding-enabled Caching (TeC) system for streaming media distribution networks.  ... 
doi:10.1109/tmm.2003.822791 fatcat:bce6qrivanbqznezxsdnrxksvq

An energy-efficient middleware for supporting multimedia services in mobile grid environments

Y. Huang, S. Mohapatra, N. Venkatasubramanian
2005 International Conference on Information Technology: Coding and Computing (ITCC'05) - Volume II  
In this paper, we present techniques for exploiting intermittently available resources in grid infrastructures to support QoS-based multimedia applications on mobile devices.  ...  Specifically, we integrate power aware admission control, grid resource discovery, dynamic load-balancing and energy adaptation techniques to enable power deficient devices such as PDAs to run distributed  ...  Energy-aware Admission Control Algorithm (EAC) Fig. 5 5 illustrates the high level algorithm for VS based local adaptations in PAGODA.  ... 
doi:10.1109/itcc.2005.77 dblp:conf/itcc/HuangMV05 fatcat:nsskug2cmfen5gjhenad266kuq

Collaborative multi-bitrate video caching and processing in Mobile-Edge Computing networks

Tuyen X. Tran, Parul Pandey, Abolfazl Hajisami, Dario Pompili
2017 2017 13th Annual Conference on Wireless On-demand Network Systems and Services (WONS)  
Due to the NPcompleteness of the problem and the impractical overheads of the existing offline approaches, we propose a novel online algorithm that makes cache placement and video scheduling decisions  ...  In this paper, we envision a collaborative joint caching and processing strategy for on-demand video streaming in MEC networks.  ...  Proposed Online JCCP Algorithm In the following, we present the proposed online algorithm for the joint collaborative caching and processing problem, which bases on the LRU cache replacement policy.  ... 
doi:10.1109/wons.2017.7888772 dblp:conf/wons/TranPHP17 fatcat:duzyif2vvnd3jagfg7dhz5l2ki

Collaborative Multi-bitrate Video Caching and Processing in Mobile-Edge Computing Networks [article]

Tuyen X. Tran, Parul Pandey, Abolfazl Hajisami, Dario Pompili
2016 arXiv   pre-print
Due to the NP-completeness of the problem and the impractical overheads of the existing offline approaches, we propose a novel online algorithm that makes cache placement and video scheduling decisions  ...  In this paper, we envision a collaborative joint caching and processing strategy for on-demand video streaming in MEC networks.  ...  Proposed Online JCCP Algorithm In the following, we present the proposed online algorithm for the joint collaborative caching and processing problem, which bases on the LRU cache replacement policy.  ... 
arXiv:1612.01436v2 fatcat:fjtr47gczzczvi52dqstlrlh5q


Alexis Rombaut, Nicolas Staelens, Nick Vercammen, Brecht Vermeulen, Piet Demeester
2009 Proceedings of the seventeen ACM international conference on Multimedia - MM '09  
The current selection of open source streamers is limited, providing an opportunity for the xStreamer which is a flexible and modular streamer avoiding the redundant work.  ...  Each component performs basic functions such as reading video frames from a file, packetizing frames into smaller packets or multiplexing video and audio into a transport stream.  ...  For each new GOP, this component routes the video stream to the next connection ending at an RTP-transmitter which connects over the network to a transcoding node.  ... 
doi:10.1145/1631272.1631458 dblp:conf/mm/RombautSVVD09 fatcat:tddczyccorhwjg56visfz3jkgu

A Hadoop-based Multimedia Transcoding System for Processing Social Media in the PaaS Platform of SMCCSE

2012 KSII Transactions on Internet and Information Systems  
Here, we propose a Hadoop-based multimedia system for image and video transcoding processing, necessary functions of our PaaS platform.  ...  In order to evaluate system performance, we measure the total image and video transcoding time for image and video data sets, respectively, under various experimental conditions.  ...  It also collects transcoded video and image data sets converted to target format files through a transcoding processing step based on MapReduce in MbTD, and stores them on the local file system.  ... 
doi:10.3837/tiis.2012.11.005 fatcat:sntgjd6clvaqvinquws4zkgnpy

Multi-Objective Genetic Algorithm for Task Assignment on Heterogeneous Nodes

Carolina Blanch Perez del Notario, Rogier Baert, Maja D'Hondt
2012 International Journal of Digital Multimedia Broadcasting  
Moreover, in our video processing scenario; we consider transcoding to lower spatial/temporal resolutions to tradeoff between video quality; processing, and bandwidth demands.  ...  This paper presents a task assignment strategy based on genetic algorithms in which multiple and conflicting objectives are simultaneously optimized.  ...  Acknowledgment The authors would like to thank Yiannis Iosifidis for his insights on genetic algorithms.  ... 
doi:10.1155/2012/716780 fatcat:za5zyov2rvdrjdlbkgcz6ppuoe

Addressing Application Latency Requirements through Edge Scheduling

Atakan Aral, Ivona Brandic, Rafael Brundo Uriarte, Rocco De Nicola, Vincenzo Scoca
2019 Journal of Grid Computing  
The results suggest that our edge-based scheduling algorithm is a viable solution for high service quality and responsiveness in deploying such applications.  ...  Our simulation-based experiments on live video streaming services demonstrate significant improvements in both network delay and service time.  ...  Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://, which permits unrestricted use, distribution  ... 
doi:10.1007/s10723-019-09493-z fatcat:4zrdlafl4faq3gmivha7i4mfdy

An application level video gateway

Elan Amir, Steven McCanne, Hui Zhang
1995 Proceedings of the third ACM international conference on Multimedia - MULTIMEDIA '95  
We describe an efficient algorithm for transcoding Motion-JPEG to H.261 that runs in real-time on standard workstations.  ...  Our video gateway transparently connects pairs of sessions into a single logical conference by manipulating the data and control information of the video streams.  ...  Multicast video from CMU is forwarded by the local video gateway via unicast connection to the remote video gateway, which in turn multicasts the video to the remote site at UCB.  ... 
doi:10.1145/217279.215277 dblp:conf/mm/AmirMZ95 fatcat:5x37sfj3ovdzho4xu4qlnnvn3m
« Previous Showing results 1 — 15 out of 920 results