# Ellipse fitting

Hallo,

I am investigating the *JUniForm* module of JAG3D, specifically the ellipse fitting function. Without more detailed descriptions I cannot understand the equation given under *Properties > Feature*. What approach/equation is the least square fit of an ellipse based on? Can you refer me to any relevant literature?

I would very much appreciate if you took the time to read and answer my question.

Thank you,

Antonio