main copy.py

from pupil_apriltags import Detector
import cv2
  
# define a video capture object
vid = cv2.VideoCapture(0)
  
while(True):
	#Capture frame from camera
	ret, frame = vid.read()
  
	formatFrame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY);

	at_detector = Detector(
		families='tag36h11',
  		nthreads=1,
   		quad_decimate=1.0,
   		quad_sigma=0.0,
   		refine_edges=1,
   		decode_sharpening=0.25,
   		debug=0
	)

	detectedTags = at_detector.detect(formatFrame)

	if len(detectedTags) > 0:
		for detectedTag in detectedTags:
			print(detectedTag.center)
			finalFrame = cv2.circle(frame, (round(detectedTag.center[0]), round(detectedTag.center[1])), radius=5, color=(0, 0, 255), thickness=-1)
	else:
		finalFrame = frame
	
	#Display the frame
	cv2.imshow('frame', finalFrame)

	#Define escape key
	if cv2.waitKey(1) & 0xFF == ord('q'):
		break
  
#Release the video object after loop is complete & destroy the windows
vid.release()
cv2.destroyAllWindows()