How to draw a line around for each connected components in an edge image. I tried bellow using bwboundaries() but i didn't get expected output.

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Basavaraja V
Basavaraja V 2018-3-4
回答： Image Analyst 2018-3-4

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Image Analyst
Image Analyst 2018-3-4
This snippet will work:
hold on;
boundaries = bwboundaries(binaryImage);
numberOfBoundaries = size(boundaries, 1);
for k = 1 : numberOfBoundaries
thisBoundary = boundaries{k};
plot(thisBoundary(:,2), thisBoundary(:,1), 'r', 'LineWidth', 2);
end
hold off;

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