Interpolation with Cubic Splines
Adobe Photoshop, Gimp and many other image editors have a tool called Curves. There are several "knots" and while you move them, it computes a curve in between. I always wondered, how is this curve computed.
Adobe Photoshop, Gimp and many other image editors have a tool called Curves. There are several "knots" and while you move them, it computes a curve in between. I always wondered, how is this curve computed.