computer science honours dissertation 499 realism and believability in mpeg-4 facial models
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Computer Science Honours Dissertation 499 Realism and Believability in MPEG-4 Facial Models. Bernhard Tschirren School of Computing Curtin University of Technology Project Supervisor: Andrew Marriott. introduction. The FAQbot Russel - Personality Quoc - Gesture Markup John - Speech - PowerPoint PPT PresentationTRANSCRIPT
Computer Science Honours Dissertation 499
Realism and Believabilityin MPEG-4 Facial Models
Bernhard TschirrenSchool of Computing
Curtin University of Technology
Project Supervisor: Andrew Marriott
November 2000 Bernhard Tschirren 2
introduction
The FAQbot• Russel - Personality
• Quoc - Gesture Markup
• John - Speech
Realism
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introduction
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overview
Objectives
Background
Implementation
Results (Pretty Pictures)
Future Work
Conclusion
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objectives
Realism• Face, Hair, Eyes, Environment
Realtime - Believability• Consumer OpenGL Card
Complete System• Quick & Easy
Integrate with FAE
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background
The FAE• Univ. of Genoa, Italy
• Black-Box
MPEG-4• FDP - Facial Definition Parameters
• Number (major.minor)
• Location (x,y,z)
• Texture (u,v)
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background
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background
Model Calibration
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the face
Face Styler• Creates FDPs & Texture Map
• Requires Orthogonal Photographs
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the face
Place Feature Points• Interactive
• Adjust Images (Trans, Rot, Scale)
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the face
Texture Map• Cylindrical
• Generate from Input Images
• Positional Certainty
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the face
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the face
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the face
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the face
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the hair
MPEG-4 Defines 1 Hair FDP!
Added 101 New FDPs
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the hair
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the hair
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the eyes
FAE Supports Iris Texture
Extract Iris From Left Eye
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the eyes
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the environment
Set Background Image• Provides context (setting)
• Enhances Realism of Scene
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fae integration
FAE Integration Layer• Load & Display Hair
• Load & Display Environment
• Optimised Rendering Routines
Face Styler Engine
Face StylerApplication Hair, Environment
Face, EyesFAE
Face StylerFAE Integration
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performance
Tested on nVidia RIVA-TNTResolution Depth Refresh Textured Smooth
800×600 16 85 6 281024×768 16 85 6 28
1280×1024 16 60 6 28
Resolution Depth Refresh Textured Smooth800×600 16 85 28 281024×768 16 85 28 28
1280×1024 16 60 28 28
Resolution Depth Refresh Textured Smooth800×600 16 85 85 85
1024×768 16 85 85 851280×1024 16 60 28 57
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animation
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john stallo
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john stallo
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groucho marx
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female models
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lilly
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mug shots...
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future work
Arbitrary Camera Locations
Perspective Projection
Automatic Image Alignment
Improve Ears
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conclusion
Realtime - Believable
Complete System• No Other Software Required
• Easy to Use - Interactive
• Quick to Use - 15min
Integrate with FAE
Realistic - Better than Oscar!
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conclusion