OpenCV return keypoints coordinates and area from blob detection, Python

Question

I followed a blob detection example (using cv2.SimpleBlobDetector) and successfully detected the blobs in my binary image. But then I don\'t know how to extract the

Answer 1

The pt property:

keypoints = detector.detect(frame) #list of blobs keypoints
x = keypoints[i].pt[0] #i is the index of the blob you want to get the position
y = keypoints[i].pt[1]

Some documentation