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Virtual Me

Virtual Me. Team:. Team: Trivia. Prepared By: Menna Hamza Mohamed Mohamed Hesham Fadl Mona Abdel Mageed El- Koussy Yasmine Shaker Abdel Hameed Supervised By: Dr. Magda Fayek. Agenda. Motion Capture Tracking Techniques Market Survey Virtual Me High Level Design Time Plan

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Virtual Me

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  1. Virtual Me Team:

  2. Team: Trivia • Prepared By: • MennaHamza Mohamed • Mohamed HeshamFadl • Mona Abdel Mageed El-Koussy • Yasmine Shaker Abdel Hameed • Supervised By: • Dr. MagdaFayek

  3. Agenda • Motion Capture • Tracking Techniques • Market Survey • Virtual Me • High Level Design • Time Plan • Tools

  4. Motion Capture

  5. Motion Capture • The process of translating human motion to a digital model • Games • Fast Animation • Movies • Bio Medical Analysis • VR

  6. Types of Tracking • Facial tracking • Full body tracking • Hand tracking • Partial body tracking

  7. Tracking Techniques

  8. 1- Mechanical Motion Capture • Exoskeleton, joints connected to angular encoder • Pros: • No interference, No occlusion • Real time • Large capture range • Cons: • Freedom of movement is limited • Mechanical failures

  9. 2- Magnetic Motion Capture • Magnetic sensors and a constant magnetic field generator • Pros: • No optical occlusion • Sensor orientation is directly given • Cons: • External interference • Small capture range • Wiring and batteries

  10. 3- Optical Motion Capture • Using markers (reflective or emitting) • Uses light intensity to determine marker position • Pros: • Free movement • Capture range • Cons: • Optical occlusion • Extensive pre-processing and post-processing • Controlled lighting condition

  11. 4- Marker-less Tracking • Using computer vision • Detect Humans in the picture • Uses techniques to extract motion information from the image • Silhouette detection • Joint detection

  12. Market Survey

  13. PhaseSpace • 4:24 impulse cams • 20:100 impulse active LEDs • Price: $29,950.00 to $123,950.00 • Features: • Full body motion tracking (including fingers using gloves)

  14. Nintendo Wii • Accelerometer, optical sensors • Gaming system • Price: $199 • Limitations: • Can only track the motion of the hand • Only useable with the Wii

  15. Sony PS3 Eye • Web Cam • Price: • Cam: $34.99  • Play station 3: $299.00 • Features: • Recognizes hand and body movements • Limitations: • Officially works only with Sony PS3 • Low resolution 640x480

  16. Virtual Me

  17. The Virtual Me Approach • A frame work for human motion capture • Color based markers • Arbitrary number of cams • Detect major limbs motion and orientation • Hopefully real time

  18. Sample Application • Virtual Goal • A simple game will be used as a demonstration • The player will defend his goal from multiple balls • Limited translation motion

  19. High Level Design

  20. Marker Tracking Component Constraint Model Capture Rate Adjustment Marker Detector Image Processing Component New Capture Rate History Current Capture Rate Camera Interface/ Frame Sampler Video Feed

  21. Application Pose Constructor Interpolator Merging Component Marker Tracking Component 1 Marker Tracking Component 2 Marker Tracking Component k

  22. Time Plan

  23. Time Plan Research& Design Midterms Adv. Components Implementation Final Exams Feb March April May June July Basic Components Implementation Initial Integration Final Integration Testing& Optimization

  24. Timeline Feb March April May June July Research& Design Basic Components Implementation Midterms Initial Integration Advanced Components Implementation Final Integration Final Exams

  25. Expected Time Plan Research & Design Advanced Components Implementation Final Exams Midterms End Start April Feb March May June Basic Components Implementation Initial Integration Final Integration Testing& Optimizations

  26. Tools

  27. Development • Language • C++ • Tools • Microsoft Visual Studio 2008 • Open CV 2.0

  28. Thank YouQuestions?

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