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Recognize the limit Fast br owsing/searching at mobile devices Video Abstraction

MoViShare: Building Location-Aware Mobile Social Networks For Video Sharing. Li Ma (lma8@cs.sfu.ca), Zonggao Jia (zmj@cs.sfu.ca),Jiangchuan Liu (supervisor, jcliu@cs.sfu.ca) School of Computing Science, Simon Fraser University, BC, Canada. Motivation. Social networked media sharing

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Recognize the limit Fast br owsing/searching at mobile devices Video Abstraction

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  1. MoViShare: Building Location-Aware Mobile Social Networks For Video Sharing Li Ma (lma8@cs.sfu.ca), ZonggaoJia (zmj@cs.sfu.ca),Jiangchuan Liu (supervisor, jcliu@cs.sfu.ca) School of Computing Science, Simon Fraser University, BC, Canada Motivation • Social networked media sharing • Web 2.0 trend since 2004 • Wikis, Blogs, Facebook, Video Sharing, etc • Two most important features • Social network • User generated content sharing • Internet video sharing & social networking • YouTube dominated with 55% of market share • 20% growth rate per month • 100 million accesses per day • Key factor is social networking • Mobile Industry • 4.1 billion cell phone users globally by 2008 • 23% use Internet via cell phone • Growth of mobile social network • 82 million people by 2007 • Multimedia over wireless mobile networks • Multimedia-ready mobile devices • Overlapped users (Video sharing vs. Mobile Networking surfing) • Opportunities • Instant capturing and uploading • Location information • Anyone, anytime, anywhere sharing • Challenges • Limited bandwidth & power • Mobile-specific utilities MoViShare Solution Implementation Details Video Abstraction • Recognize the limit • Fast browsing/searching at mobile devices • Video Abstraction • Explores mobility • Location based publishing, browsing and searching • Seamless integration • A comprehensive platform • A working prototype • Location aware social network • Contain individual’s presence, location and contextual info • Distance • Visualized location (pictures, videos) • Uses locations to reveal • Nearby/potential friends • Places of interests • Share videos/pictures • Location based • Social networking • Programming modules & tools • WAP site - .NET 2.0 Framework • Video abstraction service • Client side application • Symbian S60 3rd • WRT • Streaming service • Helix server • Challenges and solutions • Location-wise displaying • Extracting key frames • Integrating • Shorten the original video while preserving the important content • Many algorithms can apply • Extract key frames • Simple --- no heavy workloads • Intuitive • Fast searching and displaying • Can be attached within text messages • As way of notification • Fast broadcasting • and forwarding

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