# Questions tagged [digital-curve]

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### Optimizing De Boor's algorithm

According to De Boor's algorithm, a B-Spline basis function can be evaluated using the formula:  B_{i,0} = \left\{ \begin{array}{ll} 1 & \mbox{if } t_i \le x < t_{i+1} \\ 0 &...
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### Convert Subdivision Curve to Bezier Curve

Wondering if there is a way technically to convert a Subdivision Curve into a Bezier Curve.
1answer
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### Convert NURBS curve into Cubic Bezier Curve

From this: Maybe you already know this, but it's impossible to convert nurbs to bezier splines exactly because nurbs are rational functions, and bezier splines are polynomials. I don't understand ...
1answer
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### Detecting isthmuses on digital curves

Consider a digital curve, i.e. a sequence of points at integer coordinates, with unit taxicab distance between them. I want to find the isthmuses, i.e. sections of the curve that are close to each ...