how to get boundary details of particular object in an image

how should i get bounadary details of required object(i.e coordinates of that boundary) in an image.

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Sean de Wolski
Sean de Wolski 2011년 4월 20일
The edge image?
doc edge
doc bwperim
doc bwboundaries
Or the BoundingBox output from regionprops
doc regionprops

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