Keyphrases
- probability density function
- cross ratio
- error analysis
- projective geometry
- gaze estimation
- expectation maximization
- head movements
- head motion
- vanishing points
- probability distribution
- em algorithm
- gaussian mixture model
- eye tracking
- camera parameters
- statistical methods
- image processing
- camera calibration
- mixture model
- low dimensional
- straight line
- distance function
- image registration
- three dimensional