MATLAB: How to extract object after edge-detection

edge detectionextractImage Processing Toolboxwatershed

I have a picture that consists of 4 people. My goal is to extract the four people based on the edge detection only. Is it possible? If yes how do I make the approach?

picture:: http://postimage.org/image/iri6wtrdl/

Best Answer

Threshold to find the people, then use watershed. See this for an example: http://blogs.mathworks.com/steve/2006/06/02/cell-segmentation/

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MATLAB: How to plot the diameters of an irregularly shaped region in an image

Try this:

xCentroids = centroids(1:2:end);
yCentroids = centroids(2:2:end);
for k = 1 : length(xCentroids )
  txt = sprintf(' %.2f', allDiameters(k));
        text(xCentroids(k), yCentroids(k), txt, 'FontSize', 20, 'FontWeight', 'bold');
end

MATLAB: To find the ROI surrounding the centroid

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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Related Solutions

MATLAB: How to plot the diameters of an irregularly shaped region in an image

MATLAB: To find the ROI surrounding the centroid

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