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Motivation
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FINAL REPORT TO NSF
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Acknowledgment
Contents
Acknowledgment
Contents
Motivation
Introduction
Modeling
Animation Control
Workshop Themes
Significance
Workshop Format
Mosaic
Organization of the Report
Modeling
Modeling: Definition and Application
Definition
Applications
Education
Entertainment
Medicine
Narration
Telecommunication
Criminology
Psychology
Forensic Medicine and Anthropology
Advertising
Properties and attributes of faces
Physical structures
Primary Facial Features
Nose
Eyebrows
Eyes
Ears
Mouth
Teeth
Tongue and Vocal Tract
Cheeks
Chin
Neck
Hair
Accessories
Secondary Details
Nerves and Vessels
Physical Trauma and Surgery
Vascular Expression
Tears and Sweats
Illness and Fatigue
Gender and Race
Growth and Aging
Technologies and Representations
Inheritance and Hierarchy for Facial Models
The importance of genericity in facial animation.
High level tools and genericity.
Representation Techniques
Polygons
Splines
Implicit surfaces
Physics-based models
Rendering
Image library
Image warping and morphing
Shadowing techniques
Texturing/shading models (multi-spectral)
Hooks to data
3D Input
2D Input
Expression libraries
Speech/Sound
Rendering/Material Properties
Real-Time Performance Data
Vision
3D trackers
MIDI controllers
Hooks to Control
Validation
Recognition/Data Mapping
Facial Feature Acquisition And Processing Techniques
Introduction
Instrumentation for Facial Animation Data
Imaging Techniques
Rangefinding and Position Sensing
Medical Imaging Technology
Direct Contact Sensing
General Facial Data Processing Techniques
Geometric feature-based matching
3D features and principal component analysis
Deformable templates
Detection by Generalized Symmetry
Frame Differencing
Features vs. Templates
Predictive Estimation
Optical Flow
Feature extraction
Facial Markers
Structured Light
Active contour model
Conclusions
Visual Speech Feature Processing
Control
Introduction and Overview
Basic Techniques
Shape Interpolation
Key-Node Parameterization
Muscle-Based
Physically Based
Framework for Control
Control Architecture Examples
A Muscle Model
Physically Based
Semantic (Speech/Linguistics) Driven
Text-To-Visual/Auditory Speech
Lip Contour Parameterization
Mix And Match
Vision/Performance Driven
Temporal Control Issues
Timing of Facial Action
Facial Expressions, Speech and Emotion
Dialogue Situation
Validation
Measurement Based Validation
Facial Measurement Techniques
Validation Corpora
Comparing Measurements
Perception Based Validation
Perceptual Paradigms
Summary
Facial features
Motivation
Final Remarks
Goals Acheived and Recommendations
List of Participants
References
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