how to detect circle object on video

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ali
ali 2023-10-26
回答： Image Analyst 2023-10-26
hi every one , i'm newbi in this field and dont had exprince of working this field or give me good guideline that put me in way that help me achive my goal.... my teacher assing me task that find distance between central two object which are bright and move right of picture.
kindly help me

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Image Analyst
Image Analyst 2023-10-26
See my Image Segmentation Tutorial in my File Exchange:
Image Analyst's File Exchange
It's a generic, general purpose demo of how to threshold an image to find bright blobs, and then measure things about the blobs, and extract certain blobs based on their areas or diameters.
Be sure and ask regionprops for the centroid.
props = regionprops(mask, 'Centroid');
xyCentroids = vertcat(props.Centroid);
Run this on each image to find the centroids in each image so you get xyCentroids1 and xyCentroids2. You can find the distances between the list of (x,y) centroids in each picture using pdist2 or just the sqrt function.
distances = pdist2(xyCentroids1, xyCentroids2)

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