superellipse fitting
====================

3 different methods for superellipse fitting

input data is my pixel format

for details see:

X. Zhang and P.L. Rosin, "Superellipse fitting to partial data", Pattern Recognition, vol. 36, no. 3,
pp. 743-752, 2003

P.L. Rosin, "Fitting superellipses", IEEE Transactions Pattern Analysis and Machine Intelligence, vol.
22, no. 7, pp. 726-732, 2000.

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Paul Rosin
Cardiff University