Virtual Me
description
Transcript of Virtual Me
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Virtual Me
Team:
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Team: TriviaPrepared By:
Menna Hamza MohamedMohamed Hesham FadlMona Abdel Mageed El-KoussyYasmine Shaker Abdel Hameed
Supervised By:Dr. Magda Fayek
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AgendaMotion CaptureTracking TechniquesMarket SurveyVirtual MeHigh Level DesignTime PlanTools
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Motion Capture
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Motion Capture
The process of translating human motion to a digital model
GamesFast AnimationMoviesBio Medical AnalysisVR
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Types of Tracking
Facial trackingFull body trackingHand trackingPartial body tracking
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Tracking Techniques
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1- Mechanical Motion Capture
Exoskeleton, joints connected to angular encoderPros:
No interference, No occlusionReal timeLarge capture range
Cons:Freedom of movement is limitedMechanical failures
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2- Magnetic Motion Capture
Magnetic sensors and a constant magnetic field generatorPros:
No optical occlusionSensor orientation is directly given
Cons:External interferenceSmall capture rangeWiring and batteries
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3- Optical Motion Capture
Using markers (reflective or emitting)Uses light intensity to determine marker position
Pros:Free movementCapture range
Cons:Optical occlusionExtensive pre-processing and post-processingControlled lighting condition
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4- Marker-less Tracking
Using computer visionDetect Humans in the pictureUses techniques to extract motion information from the image
Silhouette detectionJoint detection
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Market Survey
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PhaseSpace
4:24 impulse cams 20:100 impulse active LEDsPrice: $29,950.00 to $123,950.00Features:
Full body motion tracking (including fingers using gloves)
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Nintendo Wii
Accelerometer, optical sensors Gaming systemPrice: $199Limitations:
Can only track the motion of the hand Only useable with the Wii
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Sony PS3 EyeWeb CamPrice:
Cam: $34.99 Play station 3: $299.00
Features: Recognizes hand and body movements
Limitations:Officially works only with Sony PS3Low resolution 640x480
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Virtual Me
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The Virtual Me Approach
A frame work for human motion captureColor based markersArbitrary number of camsDetect major limbs motion and orientationHopefully real time
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Sample Application
Virtual GoalA simple game will be used as a demonstrationThe player will defend his goal from multiple ballsLimited translation motion
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High Level Design
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Camera Interface/ Frame
Sampler
Image Processing Component
Marker DetectorCapture Rate Adjustment
New Capture
Rate
HistoryCurrent Capture
Rate
Constraint Model
Video Feed
Marker Tracking Component
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Marker Tracking
Component1
Marker Tracking
Component2
Marker Tracking
Componentk
Merging Component
Pose Constructor
Application
Interpolator
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Time Plan
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Time Plan
Feb March April May June July
Research&
Design
Basic Components Implementati
on
Midterms
Initial Integrati
on
Adv. Components Implementati
on
Final Integrati
on
Final Exams
Testing& Optimizatio
n
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TimelineResearch& Design
Basic Components Implementation
Midterms
Initial Integration
Advanced Components
ImplementationFinal Integration
Final Exams
Feb March April May June July
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Expected Time Plan
EndStart
JuneFeb
Research& Design
March
Basic Components
Implementation
April
Midterms
Initial Integration
May
Advanced Components Implementation
Final Integration
Final Exams
Testing& Optimizations
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Tools
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Development
LanguageC++
ToolsMicrosoft Visual Studio 2008Open CV 2.0
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Thank You
Questions?