The relative vertical position of the smallest connected black component

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Hi guys.... I want your help in MATLAB to find the vertical position of the smallest connected black component.

Accepted Answer

Sean de Wolski
Sean de Wolski on 12 May 2011
CC = bwconncomp(~BW);
[junk, idx] = min(cellfun(@numel,CC.PixelIdxList))
[r c] = ind2sub(size(BW),CC.PixelIdxList{idx});
%How do you want to define vertical position? Middle, top bottom
mean(r); %middle by weight
min(r); %top point
max(r); %bottom point

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