So I have an image of bacteria particles which are often shaped very irregularly with many grooves. Im trying to fit ellipses onto these particles so I can get a better, more smooth analysis of the data. But I would like to know; is it possible to calculate how good of a fit the ellipse is? Since the ellipse is basically a shape being fitted to a set of points that form an irregular polygon, its similar to a linear regression. Is there a similar thing to find the fit of a fitting shape?
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1This may be helpful: Ellipse fitting methods. – user127096 Apr 08 '14 at 01:41