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From: Rui Xavier on 16 Feb 2010 12:23
ok iv managed to complete my centroid searchin..getting good variation in my ear image...now i need to draw circles on the image using the centroid as the centre(use different radiuses)...i need the exact procedure and code if any in matlab involved ..if only u can help...thanx
From: ImageAnalyst on 16 Feb 2010 12:56
On Feb 16, 12:23 pm, "Rui Xavier" <ruix...(a)yahoo.com> wrote:
> ok iv managed to complete my centroid searchin..getting good variation in my ear image...now i need to draw circles on the image using the centroid as the centre(use different radiuses)...i need the exact procedure and code if any in matlab involved ..if only u can help...thanx

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You can plot small circles using plot(x,y,'o'), or you can plot
circles of any size using the rectangle() function using (modifying)
the example in the help where it plots an ellipse.
From: Rui Xavier on 26 Feb 2010 01:20
Hi!...iv taken the centroid and managed to draw lines at various angles thus intersecting the edges at different points...however i need to know how can i mark the points which have been intersected so that i can find their distances from the centroid...if u have a demo which demonstrates the procedure please lemme know n get back if u do have anything in mind..thanx
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