Image processing - calculate center mass and its initial moment

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Ali alshamrani
Ali alshamrani 2021-2-15
评论： Image Analyst 2021-2-23
I have video which contains a 1000 frames, in spesific frame I did segmentation and the image become white and black as it attched. how I can find the center mass for this segmented white part.

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Image Analyst
Image Analyst 2021-2-15
Call regionprops(binaryImage, 'Centroid')
binaryImage = bwareafilt(binaryImage, 1); % Take largest only.
props = regionprops(binaryImage, 'Centroid') % Find centroid.
xCentroid = props.Centroid(1);
yCentroid = props.Centroid(2);
See the Image Segmentation Tutorial in my file Exchange for a full demo:
Image Analyst's File Exchange
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Ali alshamrani
Ali alshamrani 2021-2-23
hi, I actually the code worked very well but the only problem was i have many blobs and the code just took the largest one. I want to include all blobs to get the centroid all. How can I do that, beside Is there any way to draw a specific area in the image to be the only interest area?
Image Analyst
Image Analyst 2021-2-23
Just crop out each blob one at a time and compute the central moments one at a time.

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