opencv 增強現實（一）：特徵點檢測

  1 import cv2 as cv 2 import numpy as np 3 4 5 def draw_keypoints(img, keypoints): 6 for kp in keypoints: 7 x, y = kp.pt 8 cv.circle(img, (int(x), int(y)), 2, (0, 255, 0

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