Analysis of the boundary conditions of the spline filter
B-splines
A Proposal of a Spline Filter that Achieves Both Robustness and Lower Compatibility | SpringerLink
Smoothing Splines - MATLAB & Simulink
Smoothing Cubic Splines - CenterSpace
Applied Sciences | Free Full-Text | Study on the Performances of an Approximating Spline Filter Based on the ADRF Function in Surface Roughness Evaluation