Is there any name of the ellipse which is fitting in the blob?

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We use regionprops in matlab to find out major and minor axis of an ellipse. Is there any name for this ellipse exits ?
Zara Khan
Zara Khan on 4 Dec 2018
It seems like I asked wrong question. There should a particular name.

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Answers (1)

Walter Roberson
Walter Roberson on 4 Dec 2018
Why should there be a particular name for an arbitrary calculation?
"Major axis of an ellipse fitted to the blob" is about as named as it gets.
You might perhaps be confusing the Algorithm with the Result. It looks to me as if there are at least two different algorithms to fit ellipses to blobs. One of the two involves first and second moments; the other involves eigenvalues of mass tensor matrices (or something like that.) These are for the situation where an ellipse is to be fitted to the blob as is; there are additional algorithms for trying to recognize partial ellipses and predict what the axes would be if the ellipse were fully visible.
But if you are looking for a name such as "Glutinavit Majoris" then there does not appear to be anything in common use.

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