I2=imread('filename.jpg') originalImage = I2; originalImage = rgb2gray(originalImage); subplot(3,1,1); blobMeasurements = regionprops(labeledImage, originalImage,'EulerNumber', 'Centroid'); numberOfBlobs = size(blobMeasurements, 1); for blobNumber = 1 : numberOfBlobs thisBlobsEulerNumber = int32(blobMeasurements(blobNumber).EulerNumber); % Get list of pixels in current blob. numberOfHoles = int32(1 – thisBlobsEulerNumber); blobCentroid = blobMeasurements(blobNumber).Centroid; if blobNumber==1 a=blobCentroid; else b=blobCentroid; end
MATLAB: I have a variable ‘a’ that contains x and y coordinate values as 365.5 and 213.5 .How can i read them to an array or matrix. ??
matrix array
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Threshold the image to get the blobs, then compute circularities and filter to get those with circularities near 1:
mask = imbinarize(grayImage);mask = imfill(mask, 'holes');labeledImage = bwlabel(mask);props = regionprops(mask, 'Area', 'Perimeter');allAreas = [props.Area];allPerimeters = [props.Perimeter];circularities = allPerimeters .^ 2 ./ (4 * pi * allAreas);% Get those blobs with circularity near 1.
roundindexes = find(circularities > 0.8 & circularities < 1.5)% Get new mask
roundBlobs = ismember(labeledImage, roundIndexes);imshow(roundBlobs);title('Only the round blobs')
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