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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 MoViShare Solution MoViShare: Building Location-Aware Mobile Social Networks For Video Sharing Li Ma ([email protected]), Zonggao Jia ([email protected]),Jiangchuan Liu (supervisor, [email protected]) School of Computing Science, Simon Fraser University, BC, Canada 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 Motivation Feb -0 5 Aug -05 Feb-06 Aug-0 6 Feb -0 7 Aug-0 7 Feb -0 8 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 Video Abstraction Programming modules & tools WAP site - .NET 2.0 Framework Video abstraction service Client side application Symbian S60 3 rd WRT Streaming service Helix server Challenges and solutions Location-wise displaying Extracting key frames Integrating Implementation Details
