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- img = Image.fromarray(fa)
- cimg = cv2.cvtColor(img,cv2.COLOR_GRAY2BGR)
- circles = cv2.HoughCircles(img,cv2.HOUGH_GRADIENT,1,20,param1=50,param2=30,minRadius=0,maxRadius=0)
- circles = np.uint16(np.around(circles))
- for i in circles[0,:]:
- # draw the outer circle
- cv2.circle(cimg,(i[0],i[1]),i[2],(0,255,0),2)
- # draw the center of the circle
- cv2.circle(cimg,(i[0],i[1]),2,(0,0,255),3)
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