compiling boundaries into a volume

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Jim O'Doherty
Jim O'Doherty 2012-1-28
Hello,
I've got a loop that outputs the coordinates of 3 segmented shapes in an image (using bwboundaries), and currently plot these over the original image.
For each image I have:
for k = 1:length(segments) %length of "segments" is normally 3
boundary = segments{k};
x=boundary(:,2);
y=boundary(:,1);
plot(x, y, 'r', 'LineWidth', 2)
end
This image is part of a 3D dataset, so I have the X Y coordinates for the 3 objects for each slice in the image dataset (each original image slice is 512x512 pixels). Does anyone know how I might compile these coordinates into a seperate 3D image so I can view only my 3 segmented volumes? I somehow need to turn my boundary into a meshgrid
Thanks,
Jim

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