Illumination Independent and Accurate Marker Tracking Using Cross-Ratio Invariance.
Vincent AgnusStéphane NicolauLuc SolerPublished in: IEEE Computer Graphics and Applications (2015)
Keyphrases
- cross ratio
- head motion
- error analysis
- head movements
- facial expressions
- eye tracking
- single camera
- lighting conditions
- gaze estimation
- partial occlusion
- facial expression recognition
- projective geometry
- motion patterns
- eye gaze
- mean shift
- cross ratios
- facial features
- vanishing points
- visual tracking
- particle filter
- image sequences
- appearance model
- object tracking
- single image
- least squares