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Published byAmbrose Henderson Modified over 9 years ago
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Team Pakistan: Ahmad Humayun Ozair Muazzam Tayyab Javed Yahya Cheema
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The Challenge of Education Today Access to quality education Pakistan: –46.7million illiterate adults –Potential vs. Opportunity Distance learning – empower capable students to realize their potential
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Distance Learning Different approaches to DL –Classroom environment ? The Power of Video Recording Videos of Lectures –Fixed Cameras –Hiring Direction Crew –Virtual University (Studio Recording) Solution?
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Automated Video Recording Manual Crew can –See the lecturer –Pan, Tilt, Zoom the cameras –Discern who is talking –Aesthetic sense Have to automate all of this!
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Eyes Why lecturers can be tracked? Computer Vision Problems in Tracking Our Innovation
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Vision Algorithms Motion Histograms Color Tracking – MeanShift (Comanicui ’99)
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Ears Sound Source Localization Microphone Arrays –Hack to detect sound direction (hardware interface) Our Innovation
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Making a good video Direction Sense –Camera Switching –Camera PTZ –Object of Focus Our Innovation –Programmable Stuff –Movement –Object of focus = tracking + SSL
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Safety box Activity box Lecturer Position Events/Properties for customizing Direction Scripts Lecturer Position Lecturer Moving too much/ too little Audience Speaking w/ direction Audience Expressions – Face Detection PowerPoint Slide Transition
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Sample Direction Script Custom View shot Settings Weightings for Shot Selection Event based switching
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Design Modularity – Plug ability - API’s Customizability (direction scripts) Extensibility - Build on top of the system (web service) –Mobile devices, communities, collaborative learning, indexing
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How it will work Buy AVRiL System –Around $4000 per auditorium –For 50 auditoriums, less than 10% of the annual cost of a DL program Auditorium Setup Direction Script customization (if any) Select Options, record lecture Uploads automatically
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Questions?
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