Team Pakistan: Ahmad Humayun Ozair Muazzam Tayyab Javed Yahya Cheema

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

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 – MeanShift (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

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

Sample Direction Script Custom View shot Settings Weightings for Shot Selection Event based switching

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 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

Questions?