Problem with Creating Ellipse from Meshgrid on Image

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Corey
Corey 2013-3-6
I am interested in creating an ellipse from a meshgrid, which is centered on my image; however, it doesn't quite work. Can anyone assist me?
[rows cols dims] = size(image)
[x,y] = meshgrid(1:cols, 1:rows);
f = sqrt((x-cols).^2/200 + (y-rows).^2/900) -1
I am not sure if my equation is correct?

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回答（1 个）

Image Analyst
Image Analyst 2013-3-6

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