Which algorithm used in this technique 'https://w​ww.mathwor​ks.com/hel​p/vision/u​g/detect-s​phere-from​-point-clo​ud.html' ?

Is this similar to(or is it) RANSAC algorithm where, we need to explicitly tell that we are looking for cylinder/ sphere (ie shape needs to be given as input) ?

[Walter Roberson]

https://www.mathworks.com/help/vision/ref/pcfitsphere.html#References

Torr, P. H. S. and A. Zisserman. “MLESAC: A New Robust Estimator with Application to Estimating Image Geometry.” Computer Vision and Image Understanding. 2000."