Sparse signal representation by adaptive non-uniform B-spline dictionaries on a compact interval.
Laura Rebollo-NeiraZhiqiang XuPublished in: Signal Process. (2010)
Keyphrases
- b spline
- control points
- least squares
- sparse representation
- basis functions
- curve fitting
- affine transformation
- tensor product
- cubic b spline
- curve matching
- deformable contour
- contour extraction
- surface fitting
- viewpoint
- deformable registration
- joint optimization
- free form deformation
- data sets
- scalar field
- piecewise polynomial
- linear combination
- image representation
- small number
- pattern recognition
- image processing