MATLAB: Plotting centroid values

centroid

Hey Guys,

I find the centroid values in an image using the regionprops command. I am able to plot the centroids on the image as well. Could anyone tell me how I can include the centroid values beside the plot. i.e. if the centroid of my image is at (3,3), i want to plot the centroid and display the value along with it. I am able to do the former and I need help with the latter.

Nancy

Best Answer

Advanced maneuvers with regionprops

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Use bwlabel() and ismember

[labeledImage, numRegions] = bwlabel(binaryImage);
props = regionprops(labeledImage, 'Area')
% Compute all the areas.
allAreas = [props.Area]
% Display each blob in its own figure.
for k = 1 : numRegions
    thisRegion = ismember(labeledImage, k);
    figure;
    imshow(thisRegion);
    drawnow;
end

MATLAB: How to draw a line in a series of points

plot(centroids(:,1),centroids(:,2),'b-')

Best Answer

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MATLAB: How can i separate all the connected regions in a binary image and display them individually.

MATLAB: How to draw a line in a series of points

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