47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
import sys
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import cv2
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from cv2 import aruco
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# Define the ArUco dictionary
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aruco_dict = cv2.aruco.getPredefinedDictionary(cv2.aruco.DICT_6X6_250)
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aruco_params = cv2.aruco.DetectorParameters()
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# Specify the RTSP URL
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rtsp_url = sys.argv[1]
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# Capture the video stream from the RTSP URL
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cap = cv2.VideoCapture(rtsp_url)
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while True:
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ret, frame = cap.read()
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# Check if frame is not empty
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if frame is None:
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print("Empty frame, exiting...")
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break
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# Detect ArUco markers
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gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
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corners, ids, rejectedImgPoints = aruco.detectMarkers(
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gray, aruco_dict, parameters=aruco_params
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)
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# If some markers are found, draw them on the frame
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if ids is not None:
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frame = cv2.aruco.drawDetectedMarkers(frame, corners, ids)
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# Scale frame in half
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frame = cv2.resize(frame, (0, 0), fx=0.5, fy=0.5)
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# Display the frame
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cv2.imshow("Frame", frame)
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# Wait for the 'q' key to exit the loop
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if cv2.waitKey(1) & 0xFF == ord("q"):
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break
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# Release the capture object and close all OpenCV windows
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cap.release()
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cv2.destroyAllWindows()
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