Team Pakistan:Ahmad Humayun

Ozair MuazzamTayyab 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 AlgorithmsMotion 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 PositionLecturer Moving too much/ too little

Audience Speaking w/ directionAudience 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?