How to get the area of a certain contour area?

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Xiangming 2014-2-22

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https://ww2.mathworks.cn/matlabcentral/answers/118085-how-to-get-the-area-of-a-certain-contour-area

评论： Image Analyst 2014-2-22

Hi all,

I plot a contour figure. There are several contours with the same value in this figure. I just want get the area of a certain one. How can I select the areas?

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Image Analyst 2014-2-22

What form is your contour in? A list of x,y coordinates? Is it completely enclosed? Or is it open (touches border)? Have you looked at poly2mask(x,y) and regionprops()?

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