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Expressive Personalized 3D Face Models from 3D Face Scans / Titelei/Inhaltsverzeichnis
Expressive Personalized 3D Face Models from 3D Face Scans / Titelei/Inhaltsverzeichnis
Contents
Chapter
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I–XIV
Titelei/Inhaltsverzeichnis
I–XIV
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1–14
1 Introduction
1–14
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1.1 The Difficulty of Quality Assessment
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1.2 Face Models
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1.3 Data Preprocessing and Alignment
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1.4 Summary of Contributions
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1.5 Thesis Overview
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15–39
2 Fundamentals
15–39
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2.1 Camera Models
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2.1.1 Orthographic Camera Model
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2.1.2 Weak-Perspective Camera Model
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2.1.3 Projective Camera Model
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2.2 Estimation of Camera Parameters
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2.3 Factorization
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2.3.1 Principal Component Analysis
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2.3.2 Whitening
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2.3.3 Correlation vs. Dependence
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2.3.4 Independent Component Analysis
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2.3.5 Projection Pursuit
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2.4 Tensor Algebra
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2.4.1 Notation
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2.4.2 High-Order Singular Value Decomposition
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2.5 Numerical Optimization
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2.5.1 Definitions
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2.5.2 Line-Search based Methods
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2.6 Generalized Canonical Time Warping
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40–58
3 Face Databases
40–58
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3.1 Overview
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3.2 Selected Databases
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3.2.1 BU3DFE
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3.2.2 BU4DFE
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3.2.3 Bosphorus
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3.2.4 Facewarehouse
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3.2.5 MMI
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3.2.6 ADFES
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3.3 Conclusion
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59–113
4 From 3D Face Scans to Aligned Faces
59–113
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4.1 Preprocessing
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4.1.1 Rigid Global Alignment
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4.1.2 Detection of Outliers
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4.1.3 Removing Points outside of the Face Region
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4.2 Spatial Alignment by nonrigid Registration
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4.2.1 Correspondence between Point Sets
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4.2.2 Nonrigid 3D Registration
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4.2.3 Quantifying Quality
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4.2.4 Experiments and Evaluation
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4.3 Temporal Alignment
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4.3.1 Quantifying Expression Intensity
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4.3.2 Alignment of Expression Intensities
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4.3.3 Applications for Proposed Expression Intensities
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114–145
5 Face Models
114–145
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5.1 Surrey’s 3D Morphable Face Model
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5.2 Sela’s Neural Network for detailed 3D Face Reconstruction
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5.3 Proposed Tensor Face Models
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5.3.1 The Expression Space and the Apathy Mode
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5.3.2 Model 1: Basic Model
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5.3.3 Model 2: Subspace-aware Parameterization
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5.3.4 Model 3: Projection Pursuit in Expression Space
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5.3.5 Model 4: Four-Way Model including Expression Strength
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5.3.6 Overview of Presented Tensor Face Models
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5.4 Quality of Face Models
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146–173
6 Experiments
146–173
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6.1 Facial Animation by Improved Synthesis Using Apathy
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6.2 3D Approximation, Person and Expression Transfer
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6.2.1 Evaluation
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6.3 Dense 3D Reconstruction from sparse 2D
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6.3.1 3D Reconstruction With Ground Truth
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6.3.2 3D Reconstruction Without Ground Truth
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6.3.3 Summary
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174–178
7 Summary and Conclusions
174–178
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7.1 Future Work
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179–188
Appendix
179–188
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A 3D Rotations and Computing Optimal Angles
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B Normal Vector of 3D Points
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C Parameterization of Lines along Principal Axis
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D Apathy Estimation - How to Find the Closest Point
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E Examples of Dense 3D Reconstruction of Bosphorus Database
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189–198
Literature
189–198
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199–204
Index
199–204
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Expressive Personalized 3D Face Models from 3D Face Scans , page I - XIV
Titelei/Inhaltsverzeichnis
Autoren
Stella Graßhof
DOI
doi.org/10.51202/9783186868107-I
ISBN print: 978-3-18-386810-0
ISBN online: 978-3-18-686810-7
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