to find the ROI surrounding the centroid

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BV
BV 2013 年 6 月 1 日
I have an image that has several objects in it. I have found the centroid of one of the desired objects in them. I want to create ROI surrounding this centroid alone and make other objects zero or null.

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Image Analyst
Image Analyst 2013 年 6 月 1 日
Like I said in your question last month (that you accepted - thanks), that's covered in my Image Segmentation Tutorial. If you don't think it does, the post your code and show why not.
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BV
BV 2013 年 6 月 2 日
thank you once again) bwconvhull()doesnt work that well. I have a centroid position.I want to create a rectangle of a particular dimension sround this centroid. Is there any function to do make a rect around the centroid? I don know how to use the centroid in 'imrect()'.

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