Gradient Approximation on Uniform Meshes by Finite Differences and Cubic Spline Interpolation.
Paul SablonnièrePublished in: IMA Conference on the Mathematics of Surfaces (2009)
Keyphrases
- cubic spline interpolation
- spline interpolation
- discrete random variables
- multiresolution
- statistically significant
- approximation error
- uniform sampling
- special case
- edge detection
- variable resolution
- continuous functions
- three dimensional
- gradient direction
- gradient information
- approximation methods
- piecewise constant
- queueing networks
- d mesh
- finite number
- approximation algorithms
- error bounds
- closed form