Find the intersecting points

2020 1 22

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How can I calculate the intersecting points (red circled) from the following image?

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Ajay Kumar 2020-1-22

How is this plot formed? Could you help with the code?

mathru 2020-1-22

编辑：mathru 2020-1-22

This is not a plot. This is an image ( just an trapezoidal shape object kept on a flat surface).

KSSV 2020-1-22

0 个投票

If you have the image in hand.

Get the locations/ positions i.e (x,y) for both the regions using logical indexing.
Get the boundary of both the regions using boundary.
Use InterX from the link: https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections?focused=5165138&tab=function

If you have points (x,y) straight away follow from step 2 in the above.