Piecewise Circular Approximation of Spirals and Polar Polynomials.
Francesca TaponeccoMarc AlexaPublished in: WSCG (2003)
Keyphrases
- lagrange interpolation
- polar coordinates
- parametric curves
- approximation error
- rotation invariant
- frequency domain
- hough transform
- closed form
- approximation algorithms
- harmonic functions
- linear model
- error bounds
- fourier transform
- high order
- denoising
- efficient computation
- piecewise constant
- special case
- approximation ratio
- search algorithm
- bayesian networks
- smooth functions
- learning algorithm
- data sets