MATLAB: How to count blobs with a given threshold in an image blobsimage processing Hi everyone, I need to count the number of blobs with a given threshold in an image? Can somebody please help me there. Best Answer One possible solution would be like this:% Read sample imageI = imread('coins.png');% Thresholdth = 100;% Blobs where I > thBW = I > th;% Count number of blobss = regionprops(BW);numBlob = numel(s);Result:>> numBlobnumBlob = 10 Related SolutionsMATLAB: Counting holes in an image Threshold then call imclearborder() and bwlabel(). Assuming you have dark holes on a bright background:% Binarize:binaryImage = grayImage < someValue;% Remove those touching borderbinaryImage = imclearborder(binaryImage);% Count holes:[~, numHoles] = bwlabel(binaryImage); MATLAB: How to crop image after regionprops Hi,You can use imcrop to crop the image. The answer in the following link gives a detailed explanation on how to crop the image around the given centriod.https://www.mathworks.com/matlabcentral/answers/355880-how-to-crop-square-of-size-100-x-100-around-the-centroid-of-an-image#answer_280921Hope this helps! Related QuestionNumber of Object in binary imageBlob analysis and thresholdingGreetings. I want to ask on how to calculate radius of circle in matlabImage segmentation and blobs
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