Team Pakistan: Ahmad Humayun Ozair Muazzam Tayyab Javed Yahya Cheema
The Challenge of Education Today • Access to quality education • Pakistan: – 46. 7 million illiterate adults – Potential vs. Opportunity • Distance learning – empower capable students to realize their potential
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?
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!
Eyes • Why lecturers can be tracked? • Computer Vision • Problems in Tracking • Our Innovation
Vision Algorithms Motion Histograms Color Tracking – Mean. Shift (Comanicui ’ 99)
Ears • Sound Source Localization • Microphone Arrays – Hack to detect sound direction (hardware interface) • Our Innovation
Making a good video • Direction Sense – Camera Switching – Camera PTZ – Object of Focus • Our Innovation – Programmable Stuff – Movement – Object of focus = tracking + SSL
Lecturer Position Safety box Activity box Events/Properties for customizing Direction Scripts • Lecturer Position • Lecturer Moving too much/ too little • Audience Speaking w/ direction • Audience Expressions – Face Detection • Power. Point Slide Transition
Sample Direction Script Custom View shot Settings Event based switching Weightings for Shot Selection
Design • Modularity – Plug ability - API’s • Customizability (direction scripts) • Extensibility - Build on top of the system (web service) – Mobile devices, communities, collaborative learning, indexing
How it will work • Buy AVRi. L 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
Questions?
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