How to fit an ellipse based on marginal data with some noisy data?

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Weiqian Jiang le 18 Août 2015

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https://fr.mathworks.com/matlabcentral/answers/234351-how-to-fit-an-ellipse-based-on-marginal-data-with-some-noisy-data

Hi there, I want to fit an ellipse with some marginal data sets, but there are some noisy data that can have a great influence on the accuracy of the fit, I wonder if there is any way to elimilate these noisy data to achieve more accurate fit? Many thanks!