multimedia cloud computing wenwu zhu, senior researcher @ internet media group @ microsoft research...
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Multimedia Cloud Computing
Wenwu Zhu, Senior Researcher @ Internet Media Group @ Microsoft Research Asia
Chong Luo, Member of the IEEE
Jianfeng Wang, Master Student in MOE-Microsoft Key Laboratory
Shipeng Li, Researcher @ Microsoft Research Asia
IEEE SINGAL PROCESSING MAGAZINE, MAY 2011
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OverviewIntroductionRelated WorksMultimedia-aware CloudCloud-aware MultimediaSummaryReference
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OverviewIntroductionRelated WorksMultimedia-aware CloudCloud-aware MultimediaSummaryReference
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IntroductionWhat is and why needs cloud
computing?Challenges of multimedia on
cloud◦Multimedia and service
heterogeneity◦QoS heterogeneity◦Network heterogeneity◦Device heterogeneity
Multimedia-aware cloud (media cloud) v.s cloud-aware multimedia (cloud media)
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Multimedia on Cloud
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Media Cloud v.s Cloud Media
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OverviewIntroductionRelated WorksMultimedia-aware CloudCloud-aware MultimediaSummaryReference
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OverviewIntroductionRelated WorksMultimedia-aware CloudCloud-aware MultimediaSummaryReference
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Multimedia-aware CloudMedia-cloud-computing
architecture◦Media edge cloud (MEC) architecture
Distributed parallel multimedia processing
Case study◦Photosynth[1]
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MEC ArchitectureLike CDN[2] edge servers
architecture
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MEC Architecture
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Distributed parallel multimedia processing
DHT
LoadBalancer
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Case Study - Photosynth
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Case Study - PhotosynthMajor computation task
◦Image Conversion◦Feature extration◦Image matching◦Reconstruction
User-level parallel synthing in the MEC
Task-level parallel synthing in the MEC
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User-level Parallel Synthing
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Task-level Parallel Synthing
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Simulation Result
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OverviewIntroductionRelated WorksMultimedia-aware CloudCloud-aware MultimediaSummaryReference
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Cloud-aware Multimedia
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Cloud-aware MultimediaStorage and sharingAuthoring and mashupAdaptation and deliveryMedia rendering
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Storage and sharingAdvantage
◦High reliability◦High data rate
Issues◦High bandwidth demand of load
balancing algorithms for streaming
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Authoring and MashupOffline tools
◦Adobe◦Windows Movie Maker
Online service◦Jaycut
http://www.jaycut.com
XML-based file format
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Authoring and Mashup
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Adaptation and DeliveryA large amount of computingRequest service simultaneouslyExample – Cloudcoder
◦Offload much of the processing to the cloud
◦Transcoder instances scales up automatically
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Adaptation and Delivery
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Media RenderingA large amount of computing
◦Fully render◦Partially render
Multimedia retrieval◦Content-based image retrieval (CBIR)
Feature extraction Similarity measurement
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Media Rendering
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OverviewIntroductionRelated WorksMultimedia-aware CloudCloud-aware MultimediaSummaryReference
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SummaryMedia cloud
◦Propose an MEC-computing architecture to achieve high QoS support for various services.
Cloud media◦Propose how multimedia service can
optimally utilize cloud-computing resources.
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OverviewIntroductionRelated WorksMultimedia-aware CloudCloud-aware MultimediaSummaryReference
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Reference[1] Photosynth
◦http://photosynth.net/[2] CDN
◦http://miin1130.pixnet.net/blog/post/26763766-cdn(content-delivery-network)%E6%87%89%E7%94%A8%E7%B0%A1%E5%96%AE%E8%AA%AA%E6%98%8E