How does one draw an outline on the outsider edge of a contour?
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How does one draw an outline on the outsider edge of a contour?
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How does one draw an outline based on the outsider outside edge of a contour?
I've tried drawContours, but that seems to only draw the contours on an existing image - but how does one simply extract the outside contours and draw only the contour onto a new mat/image?