Spline quasi‐interpolation in the Bernstein basis and its application to digital elevation models
Francisco Javier Ariza López, D. Barrera, Salah Eddargani, M.J. Ibáñez, Juan Francisco Reinoso-Gordo · Mathematical Methods in the Applied Sciences · 2022
A nonstandard low‐cost spline approximation method for approximating bivariate functions is constructed. It is applied for Digital Elevation approximation and then its accuracy in the downscaling process is studied.