Statistical chromaticity-based lip tracking with B-splines.
M. Ulises Ramos SánchezJiri MatasJosef KittlerPublished in: ICASSP (1997)
Keyphrases
- b spline
- control points
- tensor product
- lip reading
- basis functions
- deformable contour
- particle filter
- curve fitting
- contour extraction
- free form deformation
- displacement field
- cubic b spline
- surface fitting
- cubic spline
- nonrigid registration
- affine transformation
- appearance model
- object tracking
- linear combination
- least squares
- spatially variant
- image analysis
- deformation model
- deformation field
- image data