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5 votes
2 answers
577 views

Fit ellipse to a arbitrary 2D image to extract centroid, orientation, major, minor axis

I am wondering if there is an easy way to fit an ellipse into an arbitrary 2D image quickly, so its centroid, orientation, major, and minor axis length can directly be extracted. In MATLAB, this can ...
fdjutant's user avatar
  • 105
6 votes
2 answers
655 views

Fit a circle to a region of an image

I would like to develop a routine that associates a size with images such as that below. My idea is to find the radius of the circle (centered at the origin) that contains (say) 95% of the total ...
Tom's user avatar
  • 3,436
14 votes
5 answers
2k views

Fit image of mountain to gaussian

I want to detect the edges of an image of a mountain and then fit that to a gaussian. I am unsure about how to only get the mountain edge, rather than every single edge in the image. How do I ...
olliepower's user avatar
  • 2,274