25 lines
761 B
Python
25 lines
761 B
Python
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import cv2
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def start_realtime_keypoint_detection():
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cap = cv2.VideoCapture(0)
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scaling_factor = 1
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while True:
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ret, frame = cap.read()
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frame = cv2.resize(frame, None, fx=scaling_factor, fy=scaling_factor, interpolation=cv2.INTER_AREA)
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imagegray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
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features = cv2.SIFT_create()
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keypoints = features.detect(imagegray, None)
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output_image = cv2.drawKeypoints(frame, keypoints, 0, (0, 255, 0),flags=cv2.DRAW_MATCHES_FLAGS_DRAW_RICH_KEYPOINTS)
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cv2.imshow('Webcam', output_image)
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c = cv2.waitKey(1)
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if c == 27:
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break
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cap.release()
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cv2.destroyAllWindows()
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if __name__ == '__main__':
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start_realtime_keypoint_detection()
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