Contents

• Introduction
• Discussion of Related Work
  • Eigenlips
  • 2D Optical Flow
  • Deformable Templates & Active Contours
• Relevant Processing Techniques
  • Analysis of Local Orientation and Phase
    • Orientation Template Correlation for Feature Localisation
    • Representation and Visualisation of Local Orientation Estimates
    • Methods for Estimating Local Orientation and Phase
    • Tensor Field Filtering
  • Active Contour Models
  • Optical Flow
    • Differential Methods
    • The Onedimensional Case
  • Principle Components Analysis
  • Gaze Estimation
    • Motivation
    • Pinhole Cameras and Perspective Projection
    • Estimation of the Perspective Projection Matrix
  • Classification
    • The Problem
    • An Optimal Decision Rule
    • The Probabilistic Eigenspace Approach
• Discussion of the Proposed System
  • Localisation of the Mouth
    • Initialisation of the Feature Templates
    • Tracking the Mouth
  • Tracking the Vertical Lip Motion
  • Estimation of Mouth Elongation
  • Word Recognition
• Experimental Results
  • Speaker Dependent Recognition
  • Speaker Independent Recognition
• Possible Extensions and Suggestions for Future Work
• Conclusion
• Acknowledgements
• Mathematical Supplement
• References
• About this document ...